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<section id="datum-namespace">
<span id="datum"></span><h1>datum namespace<a class="headerlink" href="#datum-namespace" title="Permalink to this headline">¶</a></h1>
<dl class="cpp type">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datumE">
<span id="_CPPv3N5osgeo4proj5datumE"></span><span id="_CPPv2N5osgeo4proj5datumE"></span><span id="osgeo::proj::datum"></span><span class="target" id="namespaceosgeo_1_1proj_1_1datum"></span><span class="k"><span class="pre">namespace</span></span><span class="w"> </span><span class="sig-prename descclassname"><span class="n"><span class="pre">osgeo</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">proj</span></span><span class="p"><span class="pre">::</span></span></span><span class="sig-name descname"><span class="n"><span class="pre">datum</span></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datumE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p><a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1Datum"><span class="std std-ref">Datum</span></a> (the relationship of a coordinate system to the body). </p>
<p><a class="reference internal" href="#namespaceosgeo_1_1proj_1_1datum"><span class="std std-ref">osgeo.proj.datum</span></a> namespace </p>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric" id="breathe-section-title-typedefs">Typedefs</p>
<dl class="cpp type">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum8DatumPtrE">
<span id="_CPPv3N5osgeo4proj5datum8DatumPtrE"></span><span id="_CPPv2N5osgeo4proj5datum8DatumPtrE"></span><span id="osgeo::proj::datum::DatumPtr"></span><span class="target" id="namespaceosgeo_1_1proj_1_1datum_1adf54658cbf9b523ac59e3851b197bdda"></span><span class="k"><span class="pre">typedef</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum5DatumE" title="osgeo::proj::datum::Datum"><span class="n"><span class="pre">Datum</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">DatumPtr</span></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum8DatumPtrE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Shared pointer of <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1Datum"><span class="std std-ref">Datum</span></a> </p>
</dd></dl>
<dl class="cpp type">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum10DatumNNPtrE">
<span id="_CPPv3N5osgeo4proj5datum10DatumNNPtrE"></span><span id="_CPPv2N5osgeo4proj5datum10DatumNNPtrE"></span><span id="osgeo::proj::datum::DatumNNPtr"></span><span class="target" id="namespaceosgeo_1_1proj_1_1datum_1af9a3371a86865700c9d617743f7f1932"></span><span class="k"><span class="pre">typedef</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">nn</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum8DatumPtrE" title="osgeo::proj::datum::DatumPtr"><span class="n"><span class="pre">DatumPtr</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">DatumNNPtr</span></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum10DatumNNPtrE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Non-null shared pointer of <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1Datum"><span class="std std-ref">Datum</span></a> </p>
</dd></dl>
<dl class="cpp type">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum16DatumEnsemblePtrE">
<span id="_CPPv3N5osgeo4proj5datum16DatumEnsemblePtrE"></span><span id="_CPPv2N5osgeo4proj5datum16DatumEnsemblePtrE"></span><span id="osgeo::proj::datum::DatumEnsemblePtr"></span><span class="target" id="namespaceosgeo_1_1proj_1_1datum_1a3d78f84b55b215bf4486be9e0257bb2d"></span><span class="k"><span class="pre">typedef</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum13DatumEnsembleE" title="osgeo::proj::datum::DatumEnsemble"><span class="n"><span class="pre">DatumEnsemble</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">DatumEnsemblePtr</span></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum16DatumEnsemblePtrE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Shared pointer of <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1DatumEnsemble"><span class="std std-ref">DatumEnsemble</span></a> </p>
</dd></dl>
<dl class="cpp type">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum18DatumEnsembleNNPtrE">
<span id="_CPPv3N5osgeo4proj5datum18DatumEnsembleNNPtrE"></span><span id="_CPPv2N5osgeo4proj5datum18DatumEnsembleNNPtrE"></span><span id="osgeo::proj::datum::DatumEnsembleNNPtr"></span><span class="target" id="namespaceosgeo_1_1proj_1_1datum_1a7c3a13cb1c510aae0c4ca57985a84067"></span><span class="k"><span class="pre">typedef</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">nn</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum16DatumEnsemblePtrE" title="osgeo::proj::datum::DatumEnsemblePtr"><span class="n"><span class="pre">DatumEnsemblePtr</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">DatumEnsembleNNPtr</span></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum18DatumEnsembleNNPtrE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Non-null shared pointer of <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1DatumEnsemble"><span class="std std-ref">DatumEnsemble</span></a> </p>
</dd></dl>
<dl class="cpp type">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum16PrimeMeridianPtrE">
<span id="_CPPv3N5osgeo4proj5datum16PrimeMeridianPtrE"></span><span id="_CPPv2N5osgeo4proj5datum16PrimeMeridianPtrE"></span><span id="osgeo::proj::datum::PrimeMeridianPtr"></span><span class="target" id="namespaceosgeo_1_1proj_1_1datum_1a84609db7143a7a3a924bbba917a449df"></span><span class="k"><span class="pre">typedef</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum13PrimeMeridianE" title="osgeo::proj::datum::PrimeMeridian"><span class="n"><span class="pre">PrimeMeridian</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">PrimeMeridianPtr</span></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum16PrimeMeridianPtrE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Shared pointer of <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1PrimeMeridian"><span class="std std-ref">PrimeMeridian</span></a> </p>
</dd></dl>
<dl class="cpp type">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum18PrimeMeridianNNPtrE">
<span id="_CPPv3N5osgeo4proj5datum18PrimeMeridianNNPtrE"></span><span id="_CPPv2N5osgeo4proj5datum18PrimeMeridianNNPtrE"></span><span id="osgeo::proj::datum::PrimeMeridianNNPtr"></span><span class="target" id="namespaceosgeo_1_1proj_1_1datum_1a76bc5ddc1fa027bbab2da81f5ae8196a"></span><span class="k"><span class="pre">typedef</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">nn</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum16PrimeMeridianPtrE" title="osgeo::proj::datum::PrimeMeridianPtr"><span class="n"><span class="pre">PrimeMeridianPtr</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">PrimeMeridianNNPtr</span></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum18PrimeMeridianNNPtrE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Non-null shared pointer of <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1PrimeMeridian"><span class="std std-ref">PrimeMeridian</span></a> </p>
</dd></dl>
<dl class="cpp type">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum12EllipsoidPtrE">
<span id="_CPPv3N5osgeo4proj5datum12EllipsoidPtrE"></span><span id="_CPPv2N5osgeo4proj5datum12EllipsoidPtrE"></span><span id="osgeo::proj::datum::EllipsoidPtr"></span><span class="target" id="namespaceosgeo_1_1proj_1_1datum_1abf4e5a33b4a88c35ab6e2a8523f54f62"></span><span class="k"><span class="pre">typedef</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum9EllipsoidE" title="osgeo::proj::datum::Ellipsoid"><span class="n"><span class="pre">Ellipsoid</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">EllipsoidPtr</span></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum12EllipsoidPtrE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Shared pointer of <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1Ellipsoid"><span class="std std-ref">Ellipsoid</span></a> </p>
</dd></dl>
<dl class="cpp type">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum14EllipsoidNNPtrE">
<span id="_CPPv3N5osgeo4proj5datum14EllipsoidNNPtrE"></span><span id="_CPPv2N5osgeo4proj5datum14EllipsoidNNPtrE"></span><span id="osgeo::proj::datum::EllipsoidNNPtr"></span><span class="target" id="namespaceosgeo_1_1proj_1_1datum_1a04467b887cbd29d5e07a05c9479f653a"></span><span class="k"><span class="pre">typedef</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">nn</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum12EllipsoidPtrE" title="osgeo::proj::datum::EllipsoidPtr"><span class="n"><span class="pre">EllipsoidPtr</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">EllipsoidNNPtr</span></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum14EllipsoidNNPtrE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Non-null shared pointer of <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1Ellipsoid"><span class="std std-ref">Ellipsoid</span></a> </p>
</dd></dl>
<dl class="cpp type">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum25GeodeticReferenceFramePtrE">
<span id="_CPPv3N5osgeo4proj5datum25GeodeticReferenceFramePtrE"></span><span id="_CPPv2N5osgeo4proj5datum25GeodeticReferenceFramePtrE"></span><span id="osgeo::proj::datum::GeodeticReferenceFramePtr"></span><span class="target" id="namespaceosgeo_1_1proj_1_1datum_1a48a7dace5dc8b03afd29080f4fc783c2"></span><span class="k"><span class="pre">typedef</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum22GeodeticReferenceFrameE" title="osgeo::proj::datum::GeodeticReferenceFrame"><span class="n"><span class="pre">GeodeticReferenceFrame</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">GeodeticReferenceFramePtr</span></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum25GeodeticReferenceFramePtrE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Shared pointer of <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1GeodeticReferenceFrame"><span class="std std-ref">GeodeticReferenceFrame</span></a> </p>
</dd></dl>
<dl class="cpp type">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum27GeodeticReferenceFrameNNPtrE">
<span id="_CPPv3N5osgeo4proj5datum27GeodeticReferenceFrameNNPtrE"></span><span id="_CPPv2N5osgeo4proj5datum27GeodeticReferenceFrameNNPtrE"></span><span id="osgeo::proj::datum::GeodeticReferenceFrameNNPtr"></span><span class="target" id="namespaceosgeo_1_1proj_1_1datum_1a20e65946290b56257dc34c204287107f"></span><span class="k"><span class="pre">typedef</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">nn</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum25GeodeticReferenceFramePtrE" title="osgeo::proj::datum::GeodeticReferenceFramePtr"><span class="n"><span class="pre">GeodeticReferenceFramePtr</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">GeodeticReferenceFrameNNPtr</span></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum27GeodeticReferenceFrameNNPtrE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Non-null shared pointer of <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1GeodeticReferenceFrame"><span class="std std-ref">GeodeticReferenceFrame</span></a> </p>
</dd></dl>
<dl class="cpp type">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum32DynamicGeodeticReferenceFramePtrE">
<span id="_CPPv3N5osgeo4proj5datum32DynamicGeodeticReferenceFramePtrE"></span><span id="_CPPv2N5osgeo4proj5datum32DynamicGeodeticReferenceFramePtrE"></span><span class="target" id="namespaceosgeo_1_1proj_1_1datum_1aac8f371e407adf7cc9dcf924cbd31934"></span><span class="k"><span class="pre">using</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">DynamicGeodeticReferenceFramePtr</span></span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum29DynamicGeodeticReferenceFrameE" title="osgeo::proj::datum::DynamicGeodeticReferenceFrame"><span class="n"><span class="pre">DynamicGeodeticReferenceFrame</span></span></a><span class="p"><span class="pre">></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum32DynamicGeodeticReferenceFramePtrE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Shared pointer of <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1DynamicGeodeticReferenceFrame"><span class="std std-ref">DynamicGeodeticReferenceFrame</span></a> </p>
</dd></dl>
<dl class="cpp type">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum34DynamicGeodeticReferenceFrameNNPtrE">
<span id="_CPPv3N5osgeo4proj5datum34DynamicGeodeticReferenceFrameNNPtrE"></span><span id="_CPPv2N5osgeo4proj5datum34DynamicGeodeticReferenceFrameNNPtrE"></span><span class="target" id="namespaceosgeo_1_1proj_1_1datum_1a8ecefc39c9fb5507cfd183d73559cf73"></span><span class="k"><span class="pre">using</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">DynamicGeodeticReferenceFrameNNPtr</span></span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">nn</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum32DynamicGeodeticReferenceFramePtrE" title="osgeo::proj::datum::DynamicGeodeticReferenceFramePtr"><span class="n"><span class="pre">DynamicGeodeticReferenceFramePtr</span></span></a><span class="p"><span class="pre">></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum34DynamicGeodeticReferenceFrameNNPtrE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Non-null shared pointer of <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1DynamicGeodeticReferenceFrame"><span class="std std-ref">DynamicGeodeticReferenceFrame</span></a> </p>
</dd></dl>
<dl class="cpp type">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum25VerticalReferenceFramePtrE">
<span id="_CPPv3N5osgeo4proj5datum25VerticalReferenceFramePtrE"></span><span id="_CPPv2N5osgeo4proj5datum25VerticalReferenceFramePtrE"></span><span id="osgeo::proj::datum::VerticalReferenceFramePtr"></span><span class="target" id="namespaceosgeo_1_1proj_1_1datum_1a3adfcef105a4fc87eeec694256088ba0"></span><span class="k"><span class="pre">typedef</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum22VerticalReferenceFrameE" title="osgeo::proj::datum::VerticalReferenceFrame"><span class="n"><span class="pre">VerticalReferenceFrame</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">VerticalReferenceFramePtr</span></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum25VerticalReferenceFramePtrE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Shared pointer of <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1VerticalReferenceFrame"><span class="std std-ref">VerticalReferenceFrame</span></a> </p>
</dd></dl>
<dl class="cpp type">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum27VerticalReferenceFrameNNPtrE">
<span id="_CPPv3N5osgeo4proj5datum27VerticalReferenceFrameNNPtrE"></span><span id="_CPPv2N5osgeo4proj5datum27VerticalReferenceFrameNNPtrE"></span><span id="osgeo::proj::datum::VerticalReferenceFrameNNPtr"></span><span class="target" id="namespaceosgeo_1_1proj_1_1datum_1af502d3b268b44aa5325b489a26e8f6a7"></span><span class="k"><span class="pre">typedef</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">nn</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum25VerticalReferenceFramePtrE" title="osgeo::proj::datum::VerticalReferenceFramePtr"><span class="n"><span class="pre">VerticalReferenceFramePtr</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">VerticalReferenceFrameNNPtr</span></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum27VerticalReferenceFrameNNPtrE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Non-null shared pointer of <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1VerticalReferenceFrame"><span class="std std-ref">VerticalReferenceFrame</span></a> </p>
</dd></dl>
<dl class="cpp type">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum32DynamicVerticalReferenceFramePtrE">
<span id="_CPPv3N5osgeo4proj5datum32DynamicVerticalReferenceFramePtrE"></span><span id="_CPPv2N5osgeo4proj5datum32DynamicVerticalReferenceFramePtrE"></span><span class="target" id="namespaceosgeo_1_1proj_1_1datum_1ae6a1e860bef64c0321a484c616ee525e"></span><span class="k"><span class="pre">using</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">DynamicVerticalReferenceFramePtr</span></span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum29DynamicVerticalReferenceFrameE" title="osgeo::proj::datum::DynamicVerticalReferenceFrame"><span class="n"><span class="pre">DynamicVerticalReferenceFrame</span></span></a><span class="p"><span class="pre">></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum32DynamicVerticalReferenceFramePtrE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Shared pointer of <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1DynamicVerticalReferenceFrame"><span class="std std-ref">DynamicVerticalReferenceFrame</span></a> </p>
</dd></dl>
<dl class="cpp type">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum34DynamicVerticalReferenceFrameNNPtrE">
<span id="_CPPv3N5osgeo4proj5datum34DynamicVerticalReferenceFrameNNPtrE"></span><span id="_CPPv2N5osgeo4proj5datum34DynamicVerticalReferenceFrameNNPtrE"></span><span class="target" id="namespaceosgeo_1_1proj_1_1datum_1a846e6b5f785a5bf7b25955c467187d26"></span><span class="k"><span class="pre">using</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">DynamicVerticalReferenceFrameNNPtr</span></span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">nn</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum32DynamicVerticalReferenceFramePtrE" title="osgeo::proj::datum::DynamicVerticalReferenceFramePtr"><span class="n"><span class="pre">DynamicVerticalReferenceFramePtr</span></span></a><span class="p"><span class="pre">></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum34DynamicVerticalReferenceFrameNNPtrE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Non-null shared pointer of <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1DynamicVerticalReferenceFrame"><span class="std std-ref">DynamicVerticalReferenceFrame</span></a> </p>
</dd></dl>
<dl class="cpp type">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum16TemporalDatumPtrE">
<span id="_CPPv3N5osgeo4proj5datum16TemporalDatumPtrE"></span><span id="_CPPv2N5osgeo4proj5datum16TemporalDatumPtrE"></span><span class="target" id="namespaceosgeo_1_1proj_1_1datum_1a18ee9bee422776aa0044719f69cbbe8c"></span><span class="k"><span class="pre">using</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">TemporalDatumPtr</span></span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum13TemporalDatumE" title="osgeo::proj::datum::TemporalDatum"><span class="n"><span class="pre">TemporalDatum</span></span></a><span class="p"><span class="pre">></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum16TemporalDatumPtrE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Shared pointer of <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1TemporalDatum"><span class="std std-ref">TemporalDatum</span></a> </p>
</dd></dl>
<dl class="cpp type">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum18TemporalDatumNNPtrE">
<span id="_CPPv3N5osgeo4proj5datum18TemporalDatumNNPtrE"></span><span id="_CPPv2N5osgeo4proj5datum18TemporalDatumNNPtrE"></span><span class="target" id="namespaceosgeo_1_1proj_1_1datum_1af8406d7a7054c19c49946d855c0385d9"></span><span class="k"><span class="pre">using</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">TemporalDatumNNPtr</span></span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">nn</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum16TemporalDatumPtrE" title="osgeo::proj::datum::TemporalDatumPtr"><span class="n"><span class="pre">TemporalDatumPtr</span></span></a><span class="p"><span class="pre">></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum18TemporalDatumNNPtrE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Non-null shared pointer of <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1TemporalDatum"><span class="std std-ref">TemporalDatum</span></a> </p>
</dd></dl>
<dl class="cpp type">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum19EngineeringDatumPtrE">
<span id="_CPPv3N5osgeo4proj5datum19EngineeringDatumPtrE"></span><span id="_CPPv2N5osgeo4proj5datum19EngineeringDatumPtrE"></span><span class="target" id="namespaceosgeo_1_1proj_1_1datum_1a0c8a13bd4e6fac498dd4defcc964c730"></span><span class="k"><span class="pre">using</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">EngineeringDatumPtr</span></span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum16EngineeringDatumE" title="osgeo::proj::datum::EngineeringDatum"><span class="n"><span class="pre">EngineeringDatum</span></span></a><span class="p"><span class="pre">></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum19EngineeringDatumPtrE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Shared pointer of <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1EngineeringDatum"><span class="std std-ref">EngineeringDatum</span></a> </p>
</dd></dl>
<dl class="cpp type">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum21EngineeringDatumNNPtrE">
<span id="_CPPv3N5osgeo4proj5datum21EngineeringDatumNNPtrE"></span><span id="_CPPv2N5osgeo4proj5datum21EngineeringDatumNNPtrE"></span><span class="target" id="namespaceosgeo_1_1proj_1_1datum_1a4f152f92f701e000e1c0c151229df903"></span><span class="k"><span class="pre">using</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">EngineeringDatumNNPtr</span></span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">nn</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum19EngineeringDatumPtrE" title="osgeo::proj::datum::EngineeringDatumPtr"><span class="n"><span class="pre">EngineeringDatumPtr</span></span></a><span class="p"><span class="pre">></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum21EngineeringDatumNNPtrE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Non-null shared pointer of <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1EngineeringDatum"><span class="std std-ref">EngineeringDatum</span></a> </p>
</dd></dl>
<dl class="cpp type">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum18ParametricDatumPtrE">
<span id="_CPPv3N5osgeo4proj5datum18ParametricDatumPtrE"></span><span id="_CPPv2N5osgeo4proj5datum18ParametricDatumPtrE"></span><span class="target" id="namespaceosgeo_1_1proj_1_1datum_1adf5d23e0e510390a177c48454e26cde8"></span><span class="k"><span class="pre">using</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">ParametricDatumPtr</span></span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">shared_ptr</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum15ParametricDatumE" title="osgeo::proj::datum::ParametricDatum"><span class="n"><span class="pre">ParametricDatum</span></span></a><span class="p"><span class="pre">></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum18ParametricDatumPtrE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Shared pointer of <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1ParametricDatum"><span class="std std-ref">ParametricDatum</span></a> </p>
</dd></dl>
<dl class="cpp type">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum20ParametricDatumNNPtrE">
<span id="_CPPv3N5osgeo4proj5datum20ParametricDatumNNPtrE"></span><span id="_CPPv2N5osgeo4proj5datum20ParametricDatumNNPtrE"></span><span class="target" id="namespaceosgeo_1_1proj_1_1datum_1a81d4a3eb84c3eb645fc50c1c2426293b"></span><span class="k"><span class="pre">using</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">ParametricDatumNNPtr</span></span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">nn</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum18ParametricDatumPtrE" title="osgeo::proj::datum::ParametricDatumPtr"><span class="n"><span class="pre">ParametricDatumPtr</span></span></a><span class="p"><span class="pre">></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum20ParametricDatumNNPtrE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Non-null shared pointer of <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1ParametricDatum"><span class="std std-ref">ParametricDatum</span></a> </p>
</dd></dl>
</div>
<dl class="cpp class">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum5DatumE">
<span id="_CPPv3N5osgeo4proj5datum5DatumE"></span><span id="_CPPv2N5osgeo4proj5datum5DatumE"></span><span id="osgeo::proj::datum::Datum"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1Datum"></span><span class="k"><span class="pre">class</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">Datum</span></span></span><span class="w"> </span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="k"><span class="pre">public</span></span><span class="w"> </span><span class="n"><span class="pre">osgeo</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">proj</span></span><span class="p"><span class="pre">::</span></span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6commonE" title="osgeo::proj::common"><span class="n"><span class="pre">common</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6common11ObjectUsageE" title="osgeo::proj::common::ObjectUsage"><span class="n"><span class="pre">ObjectUsage</span></span></a><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="k"><span class="pre">public</span></span><span class="w"> </span><span class="n"><span class="pre">osgeo</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">proj</span></span><span class="p"><span class="pre">::</span></span><a class="reference internal" href="io.html#_CPPv4N5osgeo4proj2ioE" title="osgeo::proj::io"><span class="n"><span class="pre">io</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="io.html#_CPPv4N5osgeo4proj2io15IJSONExportableE" title="osgeo::proj::io::IJSONExportable"><span class="n"><span class="pre">IJSONExportable</span></span></a><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum5DatumE" title="Permalink to this definition">¶</a><br /></dt>
<dd><div class="docutils container">
<em>#include <datum.hpp></em></div>
<p>Abstract class of the relationship of a coordinate system to an object, thus creating a coordinate reference system. </p>
<p>For geodetic and vertical coordinate reference systems, it relates a coordinate system to the Earth (or the celestial body considered). With other types of coordinate reference systems, the datum may relate the coordinate system to another physical or virtual object. A datum uses a parameter or set of parameters that determine the location of the origin of the coordinate reference system. Each datum subtype can be associated with only specific types of coordinate reference systems.</p>
<p><div class="remark admonition">
<p class="admonition-title">Remark</p>
<p>Implements <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1Datum"><span class="std std-ref">Datum</span></a> from <a class="reference internal" href="cpp_general.html#general_doc_1ISO_19111_2019"><span class="std std-ref">ISO 19111:2019</span></a> </p>
</div>
</p>
<p>Subclassed by <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1EngineeringDatum"><span class="std std-ref">osgeo::proj::datum::EngineeringDatum</span></a>, <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1GeodeticReferenceFrame"><span class="std std-ref">osgeo::proj::datum::GeodeticReferenceFrame</span></a>, <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1ParametricDatum"><span class="std std-ref">osgeo::proj::datum::ParametricDatum</span></a>, <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1TemporalDatum"><span class="std std-ref">osgeo::proj::datum::TemporalDatum</span></a>, <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1VerticalReferenceFrame"><span class="std std-ref">osgeo::proj::datum::VerticalReferenceFrame</span></a></p>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-functions">Public Functions</p>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4NK5osgeo4proj5datum5Datum16anchorDefinitionEv">
<span id="_CPPv3NK5osgeo4proj5datum5Datum16anchorDefinitionEv"></span><span id="_CPPv2NK5osgeo4proj5datum5Datum16anchorDefinitionEv"></span><span id="osgeo::proj::datum::Datum::anchorDefinitionC"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1Datum_1afaf2ca13f12a6240cbd009719c9874fd"></span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4I0EN5osgeo4proj4util8optionalE" title="osgeo::proj::util::optional"><span class="n"><span class="pre">optional</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string</span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="sig-name descname"><span class="n"><span class="pre">anchorDefinition</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5osgeo4proj5datum5Datum16anchorDefinitionEv" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Return the anchor definition. </p>
<p>A description - possibly including coordinates of an identified point or points - of the relationship used to anchor a coordinate system to the Earth or alternate object. <ul class="simple">
<li><p>For modern geodetic reference frames the anchor may be a set of station coordinates; if the reference frame is dynamic it will also include coordinate velocities. For a traditional geodetic datum, this anchor may be a point known as the fundamental point, which is traditionally the point where the relationship between geoid and ellipsoid is defined, together with a direction from that point. </p></li>
<li><p>For a vertical reference frame the anchor may be the zero level at one or more defined locations or a conventionally defined surface. </p></li>
<li><p>For an engineering datum, the anchor may be an identified physical point with the orientation defined relative to the object. </p></li>
</ul>
</p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>the anchor definition, or empty. </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4NK5osgeo4proj5datum5Datum15publicationDateEv">
<span id="_CPPv3NK5osgeo4proj5datum5Datum15publicationDateEv"></span><span id="_CPPv2NK5osgeo4proj5datum5Datum15publicationDateEv"></span><span id="osgeo::proj::datum::Datum::publicationDateC"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1Datum_1a053c9bf2c0be6e28b10efa5433b9d629"></span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4I0EN5osgeo4proj4util8optionalE" title="osgeo::proj::util::optional"><span class="n"><span class="pre">optional</span></span></a><span class="p"><span class="pre"><</span></span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6commonE" title="osgeo::proj::common"><span class="n"><span class="pre">common</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6common8DateTimeE" title="osgeo::proj::common::DateTime"><span class="n"><span class="pre">DateTime</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="sig-name descname"><span class="n"><span class="pre">publicationDate</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5osgeo4proj5datum5Datum15publicationDateEv" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Return the date on which the datum definition was published. </p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>Departure from <a class="reference internal" href="cpp_general.html#general_doc_1ISO_19111_2019"><span class="std std-ref">ISO 19111:2019</span></a> : we return a DateTime instead of a Citation::Date.</p>
</div>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>the publication date, or empty. </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4NK5osgeo4proj5datum5Datum14conventionalRSEv">
<span id="_CPPv3NK5osgeo4proj5datum5Datum14conventionalRSEv"></span><span id="_CPPv2NK5osgeo4proj5datum5Datum14conventionalRSEv"></span><span id="osgeo::proj::datum::Datum::conventionalRSC"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1Datum_1a33b60b755c490597baefc4cfa97c17c9"></span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6commonE" title="osgeo::proj::common"><span class="n"><span class="pre">common</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6common19IdentifiedObjectPtrE" title="osgeo::proj::common::IdentifiedObjectPtr"><span class="n"><span class="pre">IdentifiedObjectPtr</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="sig-name descname"><span class="n"><span class="pre">conventionalRS</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5osgeo4proj5datum5Datum14conventionalRSEv" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Return the conventional reference system. </p>
<p>This is the name, identifier, alias and remarks for the terrestrial reference system or vertical reference system realized by this reference frame, for example “ITRS” for ITRF88 through ITRF2008 and ITRF2014, or “EVRS” for EVRF2000 and EVRF2007.</p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>the conventional reference system, or nullptr. </p>
</dd>
</dl>
</dd></dl>
</div>
</dd></dl>
<dl class="cpp class">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum13DatumEnsembleE">
<span id="_CPPv3N5osgeo4proj5datum13DatumEnsembleE"></span><span id="_CPPv2N5osgeo4proj5datum13DatumEnsembleE"></span><span id="osgeo::proj::datum::DatumEnsemble"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1DatumEnsemble"></span><span class="k"><span class="pre">class</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">DatumEnsemble</span></span></span><span class="w"> </span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="k"><span class="pre">public</span></span><span class="w"> </span><span class="n"><span class="pre">osgeo</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">proj</span></span><span class="p"><span class="pre">::</span></span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6commonE" title="osgeo::proj::common"><span class="n"><span class="pre">common</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6common11ObjectUsageE" title="osgeo::proj::common::ObjectUsage"><span class="n"><span class="pre">ObjectUsage</span></span></a><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="k"><span class="pre">public</span></span><span class="w"> </span><span class="n"><span class="pre">osgeo</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">proj</span></span><span class="p"><span class="pre">::</span></span><a class="reference internal" href="io.html#_CPPv4N5osgeo4proj2ioE" title="osgeo::proj::io"><span class="n"><span class="pre">io</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="io.html#_CPPv4N5osgeo4proj2io15IJSONExportableE" title="osgeo::proj::io::IJSONExportable"><span class="n"><span class="pre">IJSONExportable</span></span></a><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum13DatumEnsembleE" title="Permalink to this definition">¶</a><br /></dt>
<dd><div class="docutils container">
<em>#include <datum.hpp></em></div>
<p>A collection of two or more geodetic or vertical reference frames (or if not geodetic or vertical reference frame, a collection of two or more datums) which for all but the highest accuracy requirements may be considered to be insignificantly different from each other. </p>
<p>Every frame within the datum ensemble must be a realizations of the same Terrestrial Reference System or Vertical Reference System.</p>
<p><div class="remark admonition">
<p class="admonition-title">Remark</p>
<p>Implements <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1DatumEnsemble"><span class="std std-ref">DatumEnsemble</span></a> from <a class="reference internal" href="cpp_general.html#general_doc_1ISO_19111_2019"><span class="std std-ref">ISO 19111:2019</span></a> </p>
</div>
</p>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-functions">Public Functions</p>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4NK5osgeo4proj5datum13DatumEnsemble6datumsEv">
<span id="_CPPv3NK5osgeo4proj5datum13DatumEnsemble6datumsEv"></span><span id="_CPPv2NK5osgeo4proj5datum13DatumEnsemble6datumsEv"></span><span id="osgeo::proj::datum::DatumEnsemble::datumsC"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1DatumEnsemble_1a06567acd891638e498b8c42da707f015"></span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">vector</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum10DatumNNPtrE" title="osgeo::proj::datum::DatumNNPtr"><span class="n"><span class="pre">DatumNNPtr</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="sig-name descname"><span class="n"><span class="pre">datums</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5osgeo4proj5datum13DatumEnsemble6datumsEv" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Return the set of datums which may be considered to be insignificantly different from each other. </p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>the set of datums of the <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1DatumEnsemble"><span class="std std-ref">DatumEnsemble</span></a>. </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4NK5osgeo4proj5datum13DatumEnsemble18positionalAccuracyEv">
<span id="_CPPv3NK5osgeo4proj5datum13DatumEnsemble18positionalAccuracyEv"></span><span id="_CPPv2NK5osgeo4proj5datum13DatumEnsemble18positionalAccuracyEv"></span><span id="osgeo::proj::datum::DatumEnsemble::positionalAccuracyC"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1DatumEnsemble_1a872e861f60b69f5f00eb7d03ba190d5c"></span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="metadata.html#_CPPv4N5osgeo4proj8metadataE" title="osgeo::proj::metadata"><span class="n"><span class="pre">metadata</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="metadata.html#_CPPv4N5osgeo4proj8metadata23PositionalAccuracyNNPtrE" title="osgeo::proj::metadata::PositionalAccuracyNNPtr"><span class="n"><span class="pre">PositionalAccuracyNNPtr</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="sig-name descname"><span class="n"><span class="pre">positionalAccuracy</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5osgeo4proj5datum13DatumEnsemble18positionalAccuracyEv" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Return the inaccuracy introduced through use of this collection of datums. </p>
<p>It is an indication of the differences in coordinate values at all points between the various realizations that have been grouped into this datum ensemble.</p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>the accuracy. </p>
</dd>
</dl>
</dd></dl>
</div>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-static-functions">Public Static Functions</p>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum13DatumEnsemble6createERKN4util11PropertyMapERKNSt6vectorI10DatumNNPtrEERKN8metadata23PositionalAccuracyNNPtrE">
<span id="_CPPv3N5osgeo4proj5datum13DatumEnsemble6createERKN4util11PropertyMapERKNSt6vectorI10DatumNNPtrEERKN8metadata23PositionalAccuracyNNPtrE"></span><span id="_CPPv2N5osgeo4proj5datum13DatumEnsemble6createERKN4util11PropertyMapERKNSt6vectorI10DatumNNPtrEERKN8metadata23PositionalAccuracyNNPtrE"></span><span id="osgeo::proj::datum::DatumEnsemble::create__util::PropertyMapCR.std::vector:DatumNNPtr:CR.metadata::PositionalAccuracyNNPtrCR"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1DatumEnsemble_1a7e36bda158b5ed2f0bf8342c91dbcb69"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum18DatumEnsembleNNPtrE" title="osgeo::proj::datum::DatumEnsembleNNPtr"><span class="n"><span class="pre">DatumEnsembleNNPtr</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">create</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4util11PropertyMapE" title="osgeo::proj::util::PropertyMap"><span class="n"><span class="pre">PropertyMap</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">properties</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">vector</span></span><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum10DatumNNPtrE" title="osgeo::proj::datum::DatumNNPtr"><span class="n"><span class="pre">DatumNNPtr</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">datumsIn</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="metadata.html#_CPPv4N5osgeo4proj8metadataE" title="osgeo::proj::metadata"><span class="n"><span class="pre">metadata</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="metadata.html#_CPPv4N5osgeo4proj8metadata23PositionalAccuracyNNPtrE" title="osgeo::proj::metadata::PositionalAccuracyNNPtr"><span class="n"><span class="pre">PositionalAccuracyNNPtr</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">accuracy</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum13DatumEnsemble6createERKN4util11PropertyMapERKNSt6vectorI10DatumNNPtrEERKN8metadata23PositionalAccuracyNNPtrE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Instantiate a <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1DatumEnsemble"><span class="std std-ref">DatumEnsemble</span></a>. </p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>properties</strong> – See <a class="reference internal" href="cpp_general.html#general_doc_1general_properties"><span class="std std-ref">General properties</span></a>. At minimum the name should be defined. </p></li>
<li><p><strong>datumsIn</strong> – Array of at least 2 datums. </p></li>
<li><p><strong>accuracy</strong> – Accuracy of the datum ensemble </p></li>
</ul>
</dd>
<dt class="field-even">Throws</dt>
<dd class="field-even"><p><span><span class="cpp-expr sig sig-inline cpp"><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n">util</span></a><span class="p">::</span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4util9ExceptionE" title="osgeo::proj::util::Exception"><span class="n">Exception</span></a></span></span> – </p>
</dd>
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>new <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1DatumEnsemble"><span class="std std-ref">DatumEnsemble</span></a>. </p>
</dd>
</dl>
</dd></dl>
</div>
</dd></dl>
<dl class="cpp class">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum29DynamicGeodeticReferenceFrameE">
<span id="_CPPv3N5osgeo4proj5datum29DynamicGeodeticReferenceFrameE"></span><span id="_CPPv2N5osgeo4proj5datum29DynamicGeodeticReferenceFrameE"></span><span id="osgeo::proj::datum::DynamicGeodeticReferenceFrame"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1DynamicGeodeticReferenceFrame"></span><span class="k"><span class="pre">class</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">DynamicGeodeticReferenceFrame</span></span></span><span class="w"> </span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="k"><span class="pre">public</span></span><span class="w"> </span><span class="n"><span class="pre">osgeo</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">proj</span></span><span class="p"><span class="pre">::</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datumE" title="osgeo::proj::datum"><span class="n"><span class="pre">datum</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum22GeodeticReferenceFrameE" title="osgeo::proj::datum::GeodeticReferenceFrame"><span class="n"><span class="pre">GeodeticReferenceFrame</span></span></a><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum29DynamicGeodeticReferenceFrameE" title="Permalink to this definition">¶</a><br /></dt>
<dd><div class="docutils container">
<em>#include <datum.hpp></em></div>
<p>A geodetic reference frame in which some of the parameters describe time evolution of defining station coordinates. </p>
<p>For example defining station coordinates having linear velocities to account for crustal motion.</p>
<p><div class="remark admonition">
<p class="admonition-title">Remark</p>
<p>Implements <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1DynamicGeodeticReferenceFrame"><span class="std std-ref">DynamicGeodeticReferenceFrame</span></a> from <a class="reference internal" href="cpp_general.html#general_doc_1ISO_19111_2019"><span class="std std-ref">ISO 19111:2019</span></a> </p>
</div>
</p>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-functions">Public Functions</p>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4NK5osgeo4proj5datum29DynamicGeodeticReferenceFrame19frameReferenceEpochEv">
<span id="_CPPv3NK5osgeo4proj5datum29DynamicGeodeticReferenceFrame19frameReferenceEpochEv"></span><span id="_CPPv2NK5osgeo4proj5datum29DynamicGeodeticReferenceFrame19frameReferenceEpochEv"></span><span id="osgeo::proj::datum::DynamicGeodeticReferenceFrame::frameReferenceEpochC"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1DynamicGeodeticReferenceFrame_1ae3b13ae95cde14dadc5b7354a947e776"></span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6commonE" title="osgeo::proj::common"><span class="n"><span class="pre">common</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6common7MeasureE" title="osgeo::proj::common::Measure"><span class="n"><span class="pre">Measure</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="sig-name descname"><span class="n"><span class="pre">frameReferenceEpoch</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5osgeo4proj5datum29DynamicGeodeticReferenceFrame19frameReferenceEpochEv" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Return the epoch to which the coordinates of stations defining the dynamic geodetic reference frame are referenced. </p>
<p>Usually given as a decimal year e.g. 2016.47.</p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>the frame reference epoch. </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4NK5osgeo4proj5datum29DynamicGeodeticReferenceFrame20deformationModelNameEv">
<span id="_CPPv3NK5osgeo4proj5datum29DynamicGeodeticReferenceFrame20deformationModelNameEv"></span><span id="_CPPv2NK5osgeo4proj5datum29DynamicGeodeticReferenceFrame20deformationModelNameEv"></span><span id="osgeo::proj::datum::DynamicGeodeticReferenceFrame::deformationModelNameC"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1DynamicGeodeticReferenceFrame_1a543df0312213adec48847721d461a0fc"></span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4I0EN5osgeo4proj4util8optionalE" title="osgeo::proj::util::optional"><span class="n"><span class="pre">optional</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string</span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="sig-name descname"><span class="n"><span class="pre">deformationModelName</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5osgeo4proj5datum29DynamicGeodeticReferenceFrame20deformationModelNameEv" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Return the name of the deformation model. </p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>This is an extension to the <a class="reference internal" href="cpp_general.html#general_doc_1ISO_19111_2019"><span class="std std-ref">ISO 19111:2019</span></a> modeling, to hold the content of the DYNAMIC.MODEL WKT2 node.</p>
</div>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>the name of the deformation model. </p>
</dd>
</dl>
</dd></dl>
</div>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-static-functions">Public Static Functions</p>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum29DynamicGeodeticReferenceFrame6createERKN4util11PropertyMapERK14EllipsoidNNPtrRKN4util8optionalINSt6stringEEERK18PrimeMeridianNNPtrRKN6common7MeasureERKN4util8optionalINSt6stringEEE">
<span id="_CPPv3N5osgeo4proj5datum29DynamicGeodeticReferenceFrame6createERKN4util11PropertyMapERK14EllipsoidNNPtrRKN4util8optionalINSt6stringEEERK18PrimeMeridianNNPtrRKN6common7MeasureERKN4util8optionalINSt6stringEEE"></span><span id="_CPPv2N5osgeo4proj5datum29DynamicGeodeticReferenceFrame6createERKN4util11PropertyMapERK14EllipsoidNNPtrRKN4util8optionalINSt6stringEEERK18PrimeMeridianNNPtrRKN6common7MeasureERKN4util8optionalINSt6stringEEE"></span><span id="osgeo::proj::datum::DynamicGeodeticReferenceFrame::create__util::PropertyMapCR.EllipsoidNNPtrCR.util::optional:ss:CR.PrimeMeridianNNPtrCR.common::MeasureCR.util::optional:ss:CR"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1DynamicGeodeticReferenceFrame_1aeaed438a1982c4a625f8b96e25ec751b"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum34DynamicGeodeticReferenceFrameNNPtrE" title="osgeo::proj::datum::DynamicGeodeticReferenceFrameNNPtr"><span class="n"><span class="pre">DynamicGeodeticReferenceFrameNNPtr</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">create</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4util11PropertyMapE" title="osgeo::proj::util::PropertyMap"><span class="n"><span class="pre">PropertyMap</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">properties</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum14EllipsoidNNPtrE" title="osgeo::proj::datum::EllipsoidNNPtr"><span class="n"><span class="pre">EllipsoidNNPtr</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">ellipsoid</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4I0EN5osgeo4proj4util8optionalE" title="osgeo::proj::util::optional"><span class="n"><span class="pre">optional</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string</span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">anchor</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum18PrimeMeridianNNPtrE" title="osgeo::proj::datum::PrimeMeridianNNPtr"><span class="n"><span class="pre">PrimeMeridianNNPtr</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">primeMeridian</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6commonE" title="osgeo::proj::common"><span class="n"><span class="pre">common</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6common7MeasureE" title="osgeo::proj::common::Measure"><span class="n"><span class="pre">Measure</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">frameReferenceEpochIn</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4I0EN5osgeo4proj4util8optionalE" title="osgeo::proj::util::optional"><span class="n"><span class="pre">optional</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string</span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">deformationModelNameIn</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum29DynamicGeodeticReferenceFrame6createERKN4util11PropertyMapERK14EllipsoidNNPtrRKN4util8optionalINSt6stringEEERK18PrimeMeridianNNPtrRKN6common7MeasureERKN4util8optionalINSt6stringEEE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Instantiate a <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1DynamicGeodeticReferenceFrame"><span class="std std-ref">DynamicGeodeticReferenceFrame</span></a>. </p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>properties</strong> – See <a class="reference internal" href="cpp_general.html#general_doc_1general_properties"><span class="std std-ref">General properties</span></a>. At minimum the name should be defined. </p></li>
<li><p><strong>ellipsoid</strong> – the <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1Ellipsoid"><span class="std std-ref">Ellipsoid</span></a>. </p></li>
<li><p><strong>anchor</strong> – the anchor definition, or empty. </p></li>
<li><p><strong>primeMeridian</strong> – the <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1PrimeMeridian"><span class="std std-ref">PrimeMeridian</span></a>. </p></li>
<li><p><strong>frameReferenceEpochIn</strong> – the frame reference epoch. </p></li>
<li><p><strong>deformationModelNameIn</strong> – deformation model name, or empty </p></li>
</ul>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>new <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1DynamicGeodeticReferenceFrame"><span class="std std-ref">DynamicGeodeticReferenceFrame</span></a>. </p>
</dd>
</dl>
</dd></dl>
</div>
</dd></dl>
<dl class="cpp class">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum29DynamicVerticalReferenceFrameE">
<span id="_CPPv3N5osgeo4proj5datum29DynamicVerticalReferenceFrameE"></span><span id="_CPPv2N5osgeo4proj5datum29DynamicVerticalReferenceFrameE"></span><span id="osgeo::proj::datum::DynamicVerticalReferenceFrame"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1DynamicVerticalReferenceFrame"></span><span class="k"><span class="pre">class</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">DynamicVerticalReferenceFrame</span></span></span><span class="w"> </span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="k"><span class="pre">public</span></span><span class="w"> </span><span class="n"><span class="pre">osgeo</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">proj</span></span><span class="p"><span class="pre">::</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datumE" title="osgeo::proj::datum"><span class="n"><span class="pre">datum</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum22VerticalReferenceFrameE" title="osgeo::proj::datum::VerticalReferenceFrame"><span class="n"><span class="pre">VerticalReferenceFrame</span></span></a><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum29DynamicVerticalReferenceFrameE" title="Permalink to this definition">¶</a><br /></dt>
<dd><div class="docutils container">
<em>#include <datum.hpp></em></div>
<p>A vertical reference frame in which some of the defining parameters have time dependency. </p>
<p>For example defining station heights have velocity to account for post-glacial isostatic rebound motion.</p>
<p><div class="remark admonition">
<p class="admonition-title">Remark</p>
<p>Implements <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1DynamicVerticalReferenceFrame"><span class="std std-ref">DynamicVerticalReferenceFrame</span></a> from <a class="reference internal" href="cpp_general.html#general_doc_1ISO_19111_2019"><span class="std std-ref">ISO 19111:2019</span></a> </p>
</div>
</p>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-functions">Public Functions</p>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4NK5osgeo4proj5datum29DynamicVerticalReferenceFrame19frameReferenceEpochEv">
<span id="_CPPv3NK5osgeo4proj5datum29DynamicVerticalReferenceFrame19frameReferenceEpochEv"></span><span id="_CPPv2NK5osgeo4proj5datum29DynamicVerticalReferenceFrame19frameReferenceEpochEv"></span><span id="osgeo::proj::datum::DynamicVerticalReferenceFrame::frameReferenceEpochC"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1DynamicVerticalReferenceFrame_1a45ebe0c322e12f4a877186d8cf0afd58"></span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6commonE" title="osgeo::proj::common"><span class="n"><span class="pre">common</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6common7MeasureE" title="osgeo::proj::common::Measure"><span class="n"><span class="pre">Measure</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="sig-name descname"><span class="n"><span class="pre">frameReferenceEpoch</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5osgeo4proj5datum29DynamicVerticalReferenceFrame19frameReferenceEpochEv" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Return the epoch to which the coordinates of stations defining the dynamic geodetic reference frame are referenced. </p>
<p>Usually given as a decimal year e.g. 2016.47.</p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>the frame reference epoch. </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4NK5osgeo4proj5datum29DynamicVerticalReferenceFrame20deformationModelNameEv">
<span id="_CPPv3NK5osgeo4proj5datum29DynamicVerticalReferenceFrame20deformationModelNameEv"></span><span id="_CPPv2NK5osgeo4proj5datum29DynamicVerticalReferenceFrame20deformationModelNameEv"></span><span id="osgeo::proj::datum::DynamicVerticalReferenceFrame::deformationModelNameC"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1DynamicVerticalReferenceFrame_1ae7d43b2a2bc2a5d94ff55322ff421d68"></span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4I0EN5osgeo4proj4util8optionalE" title="osgeo::proj::util::optional"><span class="n"><span class="pre">optional</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string</span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="sig-name descname"><span class="n"><span class="pre">deformationModelName</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5osgeo4proj5datum29DynamicVerticalReferenceFrame20deformationModelNameEv" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Return the name of the deformation model. </p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>This is an extension to the <a class="reference internal" href="cpp_general.html#general_doc_1ISO_19111_2019"><span class="std std-ref">ISO 19111:2019</span></a> modeling, to hold the content of the DYNAMIC.MODEL WKT2 node.</p>
</div>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>the name of the deformation model. </p>
</dd>
</dl>
</dd></dl>
</div>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-static-functions">Public Static Functions</p>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum29DynamicVerticalReferenceFrame6createERKN4util11PropertyMapERKN4util8optionalINSt6stringEEERKN4util8optionalI17RealizationMethodEERKN6common7MeasureERKN4util8optionalINSt6stringEEE">
<span id="_CPPv3N5osgeo4proj5datum29DynamicVerticalReferenceFrame6createERKN4util11PropertyMapERKN4util8optionalINSt6stringEEERKN4util8optionalI17RealizationMethodEERKN6common7MeasureERKN4util8optionalINSt6stringEEE"></span><span id="_CPPv2N5osgeo4proj5datum29DynamicVerticalReferenceFrame6createERKN4util11PropertyMapERKN4util8optionalINSt6stringEEERKN4util8optionalI17RealizationMethodEERKN6common7MeasureERKN4util8optionalINSt6stringEEE"></span><span id="osgeo::proj::datum::DynamicVerticalReferenceFrame::create__util::PropertyMapCR.util::optional:ss:CR.util::optional:RealizationMethod:CR.common::MeasureCR.util::optional:ss:CR"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1DynamicVerticalReferenceFrame_1a45f5d669e8cac8ff2e42112b721c63ab"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum34DynamicVerticalReferenceFrameNNPtrE" title="osgeo::proj::datum::DynamicVerticalReferenceFrameNNPtr"><span class="n"><span class="pre">DynamicVerticalReferenceFrameNNPtr</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">create</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4util11PropertyMapE" title="osgeo::proj::util::PropertyMap"><span class="n"><span class="pre">PropertyMap</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">properties</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4I0EN5osgeo4proj4util8optionalE" title="osgeo::proj::util::optional"><span class="n"><span class="pre">optional</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string</span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">anchor</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4I0EN5osgeo4proj4util8optionalE" title="osgeo::proj::util::optional"><span class="n"><span class="pre">optional</span></span></a><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum17RealizationMethodE" title="osgeo::proj::datum::RealizationMethod"><span class="n"><span class="pre">RealizationMethod</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">realizationMethodIn</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6commonE" title="osgeo::proj::common"><span class="n"><span class="pre">common</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6common7MeasureE" title="osgeo::proj::common::Measure"><span class="n"><span class="pre">Measure</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">frameReferenceEpochIn</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4I0EN5osgeo4proj4util8optionalE" title="osgeo::proj::util::optional"><span class="n"><span class="pre">optional</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string</span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">deformationModelNameIn</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum29DynamicVerticalReferenceFrame6createERKN4util11PropertyMapERKN4util8optionalINSt6stringEEERKN4util8optionalI17RealizationMethodEERKN6common7MeasureERKN4util8optionalINSt6stringEEE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Instantiate a <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1DynamicVerticalReferenceFrame"><span class="std std-ref">DynamicVerticalReferenceFrame</span></a>. </p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>properties</strong> – See <a class="reference internal" href="cpp_general.html#general_doc_1general_properties"><span class="std std-ref">General properties</span></a>. At minimum the name should be defined. </p></li>
<li><p><strong>anchor</strong> – the anchor definition, or empty. </p></li>
<li><p><strong>realizationMethodIn</strong> – the realization method, or empty. </p></li>
<li><p><strong>frameReferenceEpochIn</strong> – the frame reference epoch. </p></li>
<li><p><strong>deformationModelNameIn</strong> – deformation model name, or empty </p></li>
</ul>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>new <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1DynamicVerticalReferenceFrame"><span class="std std-ref">DynamicVerticalReferenceFrame</span></a>. </p>
</dd>
</dl>
</dd></dl>
</div>
</dd></dl>
<dl class="cpp class">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum9EllipsoidE">
<span id="_CPPv3N5osgeo4proj5datum9EllipsoidE"></span><span id="_CPPv2N5osgeo4proj5datum9EllipsoidE"></span><span id="osgeo::proj::datum::Ellipsoid"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1Ellipsoid"></span><span class="k"><span class="pre">class</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">Ellipsoid</span></span></span><span class="w"> </span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="k"><span class="pre">public</span></span><span class="w"> </span><span class="n"><span class="pre">osgeo</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">proj</span></span><span class="p"><span class="pre">::</span></span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6commonE" title="osgeo::proj::common"><span class="n"><span class="pre">common</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6common16IdentifiedObjectE" title="osgeo::proj::common::IdentifiedObject"><span class="n"><span class="pre">IdentifiedObject</span></span></a><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="k"><span class="pre">public</span></span><span class="w"> </span><span class="n"><span class="pre">osgeo</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">proj</span></span><span class="p"><span class="pre">::</span></span><a class="reference internal" href="io.html#_CPPv4N5osgeo4proj2ioE" title="osgeo::proj::io"><span class="n"><span class="pre">io</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="io.html#_CPPv4N5osgeo4proj2io21IPROJStringExportableE" title="osgeo::proj::io::IPROJStringExportable"><span class="n"><span class="pre">IPROJStringExportable</span></span></a><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="k"><span class="pre">public</span></span><span class="w"> </span><span class="n"><span class="pre">osgeo</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">proj</span></span><span class="p"><span class="pre">::</span></span><a class="reference internal" href="io.html#_CPPv4N5osgeo4proj2ioE" title="osgeo::proj::io"><span class="n"><span class="pre">io</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="io.html#_CPPv4N5osgeo4proj2io15IJSONExportableE" title="osgeo::proj::io::IJSONExportable"><span class="n"><span class="pre">IJSONExportable</span></span></a><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum9EllipsoidE" title="Permalink to this definition">¶</a><br /></dt>
<dd><div class="docutils container">
<em>#include <datum.hpp></em></div>
<p>A geometric figure that can be used to describe the approximate shape of an object. </p>
<p>For the Earth an oblate biaxial ellipsoid is used: in mathematical terms, it is a surface formed by the rotation of an ellipse about its minor axis.</p>
<p><div class="remark admonition">
<p class="admonition-title">Remark</p>
<p>Implements <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1Ellipsoid"><span class="std std-ref">Ellipsoid</span></a> from <a class="reference internal" href="cpp_general.html#general_doc_1ISO_19111_2019"><span class="std std-ref">ISO 19111:2019</span></a> </p>
</div>
</p>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-functions">Public Functions</p>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum9Ellipsoid13semiMajorAxisEv">
<span id="_CPPv3N5osgeo4proj5datum9Ellipsoid13semiMajorAxisEv"></span><span id="_CPPv2N5osgeo4proj5datum9Ellipsoid13semiMajorAxisEv"></span><span id="osgeo::proj::datum::Ellipsoid::semiMajorAxis"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1Ellipsoid_1a88af88fb1bca259f6eae654d694e5b3f"></span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6commonE" title="osgeo::proj::common"><span class="n"><span class="pre">common</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6common6LengthE" title="osgeo::proj::common::Length"><span class="n"><span class="pre">Length</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="sig-name descname"><span class="n"><span class="pre">semiMajorAxis</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum9Ellipsoid13semiMajorAxisEv" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Return the length of the semi-major axis of the ellipsoid. </p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>the semi-major axis. </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum9Ellipsoid17inverseFlatteningEv">
<span id="_CPPv3N5osgeo4proj5datum9Ellipsoid17inverseFlatteningEv"></span><span id="_CPPv2N5osgeo4proj5datum9Ellipsoid17inverseFlatteningEv"></span><span id="osgeo::proj::datum::Ellipsoid::inverseFlattening"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1Ellipsoid_1ae3e5aa5035bdbbd440f1d628005922f3"></span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4I0EN5osgeo4proj4util8optionalE" title="osgeo::proj::util::optional"><span class="n"><span class="pre">optional</span></span></a><span class="p"><span class="pre"><</span></span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6commonE" title="osgeo::proj::common"><span class="n"><span class="pre">common</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6common5ScaleE" title="osgeo::proj::common::Scale"><span class="n"><span class="pre">Scale</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="sig-name descname"><span class="n"><span class="pre">inverseFlattening</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum9Ellipsoid17inverseFlatteningEv" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Return the inverse flattening value of the ellipsoid, if the ellipsoid has been defined with this value. </p>
<p><div class="admonition seealso">
<p class="admonition-title">See also</p>
<p>computeInverseFlattening() that will always return a valid value of the inverse flattening, whether the ellipsoid has been defined through inverse flattening or semi-minor axis.</p>
</div>
</p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>the inverse flattening value of the ellipsoid, or empty. </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum9Ellipsoid13semiMinorAxisEv">
<span id="_CPPv3N5osgeo4proj5datum9Ellipsoid13semiMinorAxisEv"></span><span id="_CPPv2N5osgeo4proj5datum9Ellipsoid13semiMinorAxisEv"></span><span id="osgeo::proj::datum::Ellipsoid::semiMinorAxis"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1Ellipsoid_1ac86f1a146a3e16b195eea88eb6825b5b"></span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4I0EN5osgeo4proj4util8optionalE" title="osgeo::proj::util::optional"><span class="n"><span class="pre">optional</span></span></a><span class="p"><span class="pre"><</span></span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6commonE" title="osgeo::proj::common"><span class="n"><span class="pre">common</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6common6LengthE" title="osgeo::proj::common::Length"><span class="n"><span class="pre">Length</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="sig-name descname"><span class="n"><span class="pre">semiMinorAxis</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum9Ellipsoid13semiMinorAxisEv" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Return the length of the semi-minor axis of the ellipsoid, if the ellipsoid has been defined with this value. </p>
<p><div class="admonition seealso">
<p class="admonition-title">See also</p>
<p><a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1Ellipsoid_1a7cbcdfc987793dca8f08a49aabf81848"><span class="std std-ref">computeSemiMinorAxis()</span></a> that will always return a valid value of the semi-minor axis, whether the ellipsoid has been defined through inverse flattening or semi-minor axis.</p>
</div>
</p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>the semi-minor axis of the ellipsoid, or empty. </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum9Ellipsoid8isSphereEv">
<span id="_CPPv3N5osgeo4proj5datum9Ellipsoid8isSphereEv"></span><span id="_CPPv2N5osgeo4proj5datum9Ellipsoid8isSphereEv"></span><span id="osgeo::proj::datum::Ellipsoid::isSphere"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1Ellipsoid_1ab35ab910cfe56244a6c8ea101899da5e"></span><span class="kt"><span class="pre">bool</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">isSphere</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum9Ellipsoid8isSphereEv" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Return whether the ellipsoid is spherical. </p>
<p>That is to say is <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1Ellipsoid_1a88af88fb1bca259f6eae654d694e5b3f"><span class="std std-ref">semiMajorAxis()</span></a> == <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1Ellipsoid_1a7cbcdfc987793dca8f08a49aabf81848"><span class="std std-ref">computeSemiMinorAxis()</span></a>.</p>
<p>A sphere is completely defined by the semi-major axis, which is the radius of the sphere.</p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>true if the ellipsoid is spherical. </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum9Ellipsoid14semiMedianAxisEv">
<span id="_CPPv3N5osgeo4proj5datum9Ellipsoid14semiMedianAxisEv"></span><span id="_CPPv2N5osgeo4proj5datum9Ellipsoid14semiMedianAxisEv"></span><span id="osgeo::proj::datum::Ellipsoid::semiMedianAxis"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1Ellipsoid_1aace49811b361e2befe0a8c8f49f6c2d5"></span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4I0EN5osgeo4proj4util8optionalE" title="osgeo::proj::util::optional"><span class="n"><span class="pre">optional</span></span></a><span class="p"><span class="pre"><</span></span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6commonE" title="osgeo::proj::common"><span class="n"><span class="pre">common</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6common6LengthE" title="osgeo::proj::common::Length"><span class="n"><span class="pre">Length</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="sig-name descname"><span class="n"><span class="pre">semiMedianAxis</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum9Ellipsoid14semiMedianAxisEv" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Return the length of the semi-median axis of a triaxial ellipsoid. </p>
<p>This parameter is not required for a biaxial ellipsoid.</p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>the semi-median axis of the ellipsoid, or empty. </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum9Ellipsoid25computedInverseFlatteningEv">
<span id="_CPPv3N5osgeo4proj5datum9Ellipsoid25computedInverseFlatteningEv"></span><span id="_CPPv2N5osgeo4proj5datum9Ellipsoid25computedInverseFlatteningEv"></span><span id="osgeo::proj::datum::Ellipsoid::computedInverseFlattening"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1Ellipsoid_1a5a76d38f96764ee35f2d536260ffc731"></span><span class="kt"><span class="pre">double</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">computedInverseFlattening</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum9Ellipsoid25computedInverseFlatteningEv" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Return or compute the inverse flattening value of the ellipsoid. </p>
<p>If computed, the inverse flattening is the result of a / (a - b), where a is the semi-major axis and b the semi-minor axis.</p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>the inverse flattening value of the ellipsoid, or 0 for a sphere. </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum9Ellipsoid19squaredEccentricityEv">
<span id="_CPPv3N5osgeo4proj5datum9Ellipsoid19squaredEccentricityEv"></span><span id="_CPPv2N5osgeo4proj5datum9Ellipsoid19squaredEccentricityEv"></span><span id="osgeo::proj::datum::Ellipsoid::squaredEccentricity"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1Ellipsoid_1a93ed27ae212e2372dae48ee9c1f51b8d"></span><span class="kt"><span class="pre">double</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">squaredEccentricity</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum9Ellipsoid19squaredEccentricityEv" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Return the squared eccentricity of the ellipsoid. </p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>the squared eccentricity, or a negative value if invalid. </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4NK5osgeo4proj5datum9Ellipsoid20computeSemiMinorAxisEv">
<span id="_CPPv3NK5osgeo4proj5datum9Ellipsoid20computeSemiMinorAxisEv"></span><span id="_CPPv2NK5osgeo4proj5datum9Ellipsoid20computeSemiMinorAxisEv"></span><span id="osgeo::proj::datum::Ellipsoid::computeSemiMinorAxisC"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1Ellipsoid_1a7cbcdfc987793dca8f08a49aabf81848"></span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6commonE" title="osgeo::proj::common"><span class="n"><span class="pre">common</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6common6LengthE" title="osgeo::proj::common::Length"><span class="n"><span class="pre">Length</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">computeSemiMinorAxis</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5osgeo4proj5datum9Ellipsoid20computeSemiMinorAxisEv" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Return or compute the length of the semi-minor axis of the ellipsoid. </p>
<p>If computed, the semi-minor axis is the result of a * (1 - 1 / rf) where a is the semi-major axis and rf the reverse/inverse flattening.</p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>the semi-minor axis of the ellipsoid. </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum9Ellipsoid13celestialBodyEv">
<span id="_CPPv3N5osgeo4proj5datum9Ellipsoid13celestialBodyEv"></span><span id="_CPPv2N5osgeo4proj5datum9Ellipsoid13celestialBodyEv"></span><span id="osgeo::proj::datum::Ellipsoid::celestialBody"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1Ellipsoid_1a3de62567702900fd7653f7c8d91a160b"></span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string</span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="sig-name descname"><span class="n"><span class="pre">celestialBody</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum9Ellipsoid13celestialBodyEv" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Return the name of the celestial body on which the ellipsoid refers to. </p>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4NK5osgeo4proj5datum9Ellipsoid8identifyEv">
<span id="_CPPv3NK5osgeo4proj5datum9Ellipsoid8identifyEv"></span><span id="_CPPv2NK5osgeo4proj5datum9Ellipsoid8identifyEv"></span><span id="osgeo::proj::datum::Ellipsoid::identifyC"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1Ellipsoid_1a367359d185a5ab7a55fad8bc43aec56a"></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum14EllipsoidNNPtrE" title="osgeo::proj::datum::EllipsoidNNPtr"><span class="n"><span class="pre">EllipsoidNNPtr</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">identify</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5osgeo4proj5datum9Ellipsoid8identifyEv" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Return a <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1Ellipsoid"><span class="std std-ref">Ellipsoid</span></a> object where some parameters are better identified. </p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>a new <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1Ellipsoid"><span class="std std-ref">Ellipsoid</span></a>. </p>
</dd>
</dl>
</dd></dl>
</div>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-static-functions">Public Static Functions</p>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum9Ellipsoid12createSphereERKN4util11PropertyMapERKN6common6LengthERKNSt6stringE">
<span id="_CPPv3N5osgeo4proj5datum9Ellipsoid12createSphereERKN4util11PropertyMapERKN6common6LengthERKNSt6stringE"></span><span id="_CPPv2N5osgeo4proj5datum9Ellipsoid12createSphereERKN4util11PropertyMapERKN6common6LengthERKNSt6stringE"></span><span id="osgeo::proj::datum::Ellipsoid::createSphere__util::PropertyMapCR.common::LengthCR.ssCR"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1Ellipsoid_1acc5f6a84936e2471cdef32110ca52300"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum14EllipsoidNNPtrE" title="osgeo::proj::datum::EllipsoidNNPtr"><span class="n"><span class="pre">EllipsoidNNPtr</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">createSphere</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4util11PropertyMapE" title="osgeo::proj::util::PropertyMap"><span class="n"><span class="pre">PropertyMap</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">properties</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6commonE" title="osgeo::proj::common"><span class="n"><span class="pre">common</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6common6LengthE" title="osgeo::proj::common::Length"><span class="n"><span class="pre">Length</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">radius</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string</span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">celestialBody</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum9Ellipsoid5EARTHE" title="osgeo::proj::datum::Ellipsoid::EARTH"><span class="n"><span class="pre">EARTH</span></span></a><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum9Ellipsoid12createSphereERKN4util11PropertyMapERKN6common6LengthERKNSt6stringE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Instantiate a <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1Ellipsoid"><span class="std std-ref">Ellipsoid</span></a> as a sphere. </p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>properties</strong> – See <a class="reference internal" href="cpp_general.html#general_doc_1general_properties"><span class="std std-ref">General properties</span></a>. At minimum the name should be defined. </p></li>
<li><p><strong>radius</strong> – the sphere radius (semi-major axis). </p></li>
<li><p><strong>celestialBody</strong> – Name of the celestial body on which the ellipsoid refers to. </p></li>
</ul>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>new <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1Ellipsoid"><span class="std std-ref">Ellipsoid</span></a>. </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum9Ellipsoid21createFlattenedSphereERKN4util11PropertyMapERKN6common6LengthERKN6common5ScaleERKNSt6stringE">
<span id="_CPPv3N5osgeo4proj5datum9Ellipsoid21createFlattenedSphereERKN4util11PropertyMapERKN6common6LengthERKN6common5ScaleERKNSt6stringE"></span><span id="_CPPv2N5osgeo4proj5datum9Ellipsoid21createFlattenedSphereERKN4util11PropertyMapERKN6common6LengthERKN6common5ScaleERKNSt6stringE"></span><span id="osgeo::proj::datum::Ellipsoid::createFlattenedSphere__util::PropertyMapCR.common::LengthCR.common::ScaleCR.ssCR"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1Ellipsoid_1a7c49b14fd1d114bb2c917243c33369f1"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum14EllipsoidNNPtrE" title="osgeo::proj::datum::EllipsoidNNPtr"><span class="n"><span class="pre">EllipsoidNNPtr</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">createFlattenedSphere</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4util11PropertyMapE" title="osgeo::proj::util::PropertyMap"><span class="n"><span class="pre">PropertyMap</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">properties</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6commonE" title="osgeo::proj::common"><span class="n"><span class="pre">common</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6common6LengthE" title="osgeo::proj::common::Length"><span class="n"><span class="pre">Length</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">semiMajorAxisIn</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6commonE" title="osgeo::proj::common"><span class="n"><span class="pre">common</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6common5ScaleE" title="osgeo::proj::common::Scale"><span class="n"><span class="pre">Scale</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">invFlattening</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string</span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">celestialBody</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum9Ellipsoid5EARTHE" title="osgeo::proj::datum::Ellipsoid::EARTH"><span class="n"><span class="pre">EARTH</span></span></a><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum9Ellipsoid21createFlattenedSphereERKN4util11PropertyMapERKN6common6LengthERKN6common5ScaleERKNSt6stringE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Instantiate a <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1Ellipsoid"><span class="std std-ref">Ellipsoid</span></a> from its inverse/reverse flattening. </p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>properties</strong> – See <a class="reference internal" href="cpp_general.html#general_doc_1general_properties"><span class="std std-ref">General properties</span></a>. At minimum the name should be defined. </p></li>
<li><p><strong>semiMajorAxisIn</strong> – the semi-major axis. </p></li>
<li><p><strong>invFlattening</strong> – the inverse/reverse flattening. If set to 0, this will be considered as a sphere. </p></li>
<li><p><strong>celestialBody</strong> – Name of the celestial body on which the ellipsoid refers to. </p></li>
</ul>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>new <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1Ellipsoid"><span class="std std-ref">Ellipsoid</span></a>. </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum9Ellipsoid13createTwoAxisERKN4util11PropertyMapERKN6common6LengthERKN6common6LengthERKNSt6stringE">
<span id="_CPPv3N5osgeo4proj5datum9Ellipsoid13createTwoAxisERKN4util11PropertyMapERKN6common6LengthERKN6common6LengthERKNSt6stringE"></span><span id="_CPPv2N5osgeo4proj5datum9Ellipsoid13createTwoAxisERKN4util11PropertyMapERKN6common6LengthERKN6common6LengthERKNSt6stringE"></span><span id="osgeo::proj::datum::Ellipsoid::createTwoAxis__util::PropertyMapCR.common::LengthCR.common::LengthCR.ssCR"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1Ellipsoid_1a8fc41b637ea2f5c20ff08f11809eb462"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum14EllipsoidNNPtrE" title="osgeo::proj::datum::EllipsoidNNPtr"><span class="n"><span class="pre">EllipsoidNNPtr</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">createTwoAxis</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4util11PropertyMapE" title="osgeo::proj::util::PropertyMap"><span class="n"><span class="pre">PropertyMap</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">properties</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6commonE" title="osgeo::proj::common"><span class="n"><span class="pre">common</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6common6LengthE" title="osgeo::proj::common::Length"><span class="n"><span class="pre">Length</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">semiMajorAxisIn</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6commonE" title="osgeo::proj::common"><span class="n"><span class="pre">common</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6common6LengthE" title="osgeo::proj::common::Length"><span class="n"><span class="pre">Length</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">semiMinorAxisIn</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string</span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">celestialBody</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum9Ellipsoid5EARTHE" title="osgeo::proj::datum::Ellipsoid::EARTH"><span class="n"><span class="pre">EARTH</span></span></a><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum9Ellipsoid13createTwoAxisERKN4util11PropertyMapERKN6common6LengthERKN6common6LengthERKNSt6stringE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Instantiate a <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1Ellipsoid"><span class="std std-ref">Ellipsoid</span></a> from the value of its two semi axis. </p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>properties</strong> – See <a class="reference internal" href="cpp_general.html#general_doc_1general_properties"><span class="std std-ref">General properties</span></a>. At minimum the name should be defined. </p></li>
<li><p><strong>semiMajorAxisIn</strong> – the semi-major axis. </p></li>
<li><p><strong>semiMinorAxisIn</strong> – the semi-minor axis. </p></li>
<li><p><strong>celestialBody</strong> – Name of the celestial body on which the ellipsoid refers to. </p></li>
</ul>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>new <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1Ellipsoid"><span class="std std-ref">Ellipsoid</span></a>. </p>
</dd>
</dl>
</dd></dl>
</div>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-static-attributes">Public Static Attributes</p>
<dl class="cpp var">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum9Ellipsoid5EARTHE">
<span id="_CPPv3N5osgeo4proj5datum9Ellipsoid5EARTHE"></span><span id="_CPPv2N5osgeo4proj5datum9Ellipsoid5EARTHE"></span><span id="osgeo::proj::datum::Ellipsoid::EARTH__ssC"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1Ellipsoid_1a6bbee2b0b1cec2669e9c9484d17be65d"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">EARTH</span></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum9Ellipsoid5EARTHE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Earth celestial body. </p>
</dd></dl>
<dl class="cpp var">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum9Ellipsoid11CLARKE_1866E">
<span id="_CPPv3N5osgeo4proj5datum9Ellipsoid11CLARKE_1866E"></span><span id="_CPPv2N5osgeo4proj5datum9Ellipsoid11CLARKE_1866E"></span><span id="osgeo::proj::datum::Ellipsoid::CLARKE_1866__EllipsoidNNPtrC"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1Ellipsoid_1accc7792ea4a17022cdbd13e35b3689ab"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum14EllipsoidNNPtrE" title="osgeo::proj::datum::EllipsoidNNPtr"><span class="n"><span class="pre">EllipsoidNNPtr</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">CLARKE_1866</span></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum9Ellipsoid11CLARKE_1866E" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>The EPSG:7008 / “Clarke 1866” <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1Ellipsoid"><span class="std std-ref">Ellipsoid</span></a>. </p>
</dd></dl>
<dl class="cpp var">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum9Ellipsoid5WGS84E">
<span id="_CPPv3N5osgeo4proj5datum9Ellipsoid5WGS84E"></span><span id="_CPPv2N5osgeo4proj5datum9Ellipsoid5WGS84E"></span><span id="osgeo::proj::datum::Ellipsoid::WGS84__EllipsoidNNPtrC"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1Ellipsoid_1af9bd0060fb7bd233ed6442b59c03ec45"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum14EllipsoidNNPtrE" title="osgeo::proj::datum::EllipsoidNNPtr"><span class="n"><span class="pre">EllipsoidNNPtr</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">WGS84</span></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum9Ellipsoid5WGS84E" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>The EPSG:7030 / “WGS 84” <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1Ellipsoid"><span class="std std-ref">Ellipsoid</span></a>. </p>
</dd></dl>
<dl class="cpp var">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum9Ellipsoid7GRS1980E">
<span id="_CPPv3N5osgeo4proj5datum9Ellipsoid7GRS1980E"></span><span id="_CPPv2N5osgeo4proj5datum9Ellipsoid7GRS1980E"></span><span id="osgeo::proj::datum::Ellipsoid::GRS1980__EllipsoidNNPtrC"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1Ellipsoid_1a605f3e4cb6a3773b9016c3dd546c4d72"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum14EllipsoidNNPtrE" title="osgeo::proj::datum::EllipsoidNNPtr"><span class="n"><span class="pre">EllipsoidNNPtr</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">GRS1980</span></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum9Ellipsoid7GRS1980E" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>The EPSG:7019 / “GRS 1980” <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1Ellipsoid"><span class="std std-ref">Ellipsoid</span></a>. </p>
</dd></dl>
</div>
</dd></dl>
<dl class="cpp class">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum16EngineeringDatumE">
<span id="_CPPv3N5osgeo4proj5datum16EngineeringDatumE"></span><span id="_CPPv2N5osgeo4proj5datum16EngineeringDatumE"></span><span id="osgeo::proj::datum::EngineeringDatum"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1EngineeringDatum"></span><span class="k"><span class="pre">class</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">EngineeringDatum</span></span></span><span class="w"> </span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="k"><span class="pre">public</span></span><span class="w"> </span><span class="n"><span class="pre">osgeo</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">proj</span></span><span class="p"><span class="pre">::</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datumE" title="osgeo::proj::datum"><span class="n"><span class="pre">datum</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum5DatumE" title="osgeo::proj::datum::Datum"><span class="n"><span class="pre">Datum</span></span></a><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum16EngineeringDatumE" title="Permalink to this definition">¶</a><br /></dt>
<dd><div class="docutils container">
<em>#include <datum.hpp></em></div>
<p>The definition of the origin and orientation of an engineering coordinate reference system. </p>
<p><div class="remark admonition">
<p class="admonition-title">Remark</p>
<p>Implements <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1EngineeringDatum"><span class="std std-ref">EngineeringDatum</span></a> from <a class="reference internal" href="cpp_general.html#general_doc_1ISO_19111_2019"><span class="std std-ref">ISO 19111:2019</span></a> </p>
</div>
</p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>The origin can be fixed with respect to the Earth (such as a defined point at a construction site), or be a defined point on a moving vehicle (such as on a ship or satellite), or a defined point of an image.</p>
</div>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-static-functions">Public Static Functions</p>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum16EngineeringDatum6createERKN4util11PropertyMapERKN4util8optionalINSt6stringEEE">
<span id="_CPPv3N5osgeo4proj5datum16EngineeringDatum6createERKN4util11PropertyMapERKN4util8optionalINSt6stringEEE"></span><span id="_CPPv2N5osgeo4proj5datum16EngineeringDatum6createERKN4util11PropertyMapERKN4util8optionalINSt6stringEEE"></span><span id="osgeo::proj::datum::EngineeringDatum::create__util::PropertyMapCR.util::optional:ss:CR"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1EngineeringDatum_1ad0302b69f10599a232af8c1a1a878c59"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum21EngineeringDatumNNPtrE" title="osgeo::proj::datum::EngineeringDatumNNPtr"><span class="n"><span class="pre">EngineeringDatumNNPtr</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">create</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4util11PropertyMapE" title="osgeo::proj::util::PropertyMap"><span class="n"><span class="pre">PropertyMap</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">properties</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4I0EN5osgeo4proj4util8optionalE" title="osgeo::proj::util::optional"><span class="n"><span class="pre">optional</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string</span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">anchor</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4I0EN5osgeo4proj4util8optionalE" title="osgeo::proj::util::optional"><span class="n"><span class="pre">optional</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string</span></span><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">(</span></span><span class="p"><span class="pre">)</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum16EngineeringDatum6createERKN4util11PropertyMapERKN4util8optionalINSt6stringEEE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Instantiate a <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1EngineeringDatum"><span class="std std-ref">EngineeringDatum</span></a>. </p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>properties</strong> – See <a class="reference internal" href="cpp_general.html#general_doc_1general_properties"><span class="std std-ref">General properties</span></a>. At minimum the name should be defined. </p></li>
<li><p><strong>anchor</strong> – the anchor definition, or empty. </p></li>
</ul>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>new <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1EngineeringDatum"><span class="std std-ref">EngineeringDatum</span></a>. </p>
</dd>
</dl>
</dd></dl>
</div>
</dd></dl>
<dl class="cpp class">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum22GeodeticReferenceFrameE">
<span id="_CPPv3N5osgeo4proj5datum22GeodeticReferenceFrameE"></span><span id="_CPPv2N5osgeo4proj5datum22GeodeticReferenceFrameE"></span><span id="osgeo::proj::datum::GeodeticReferenceFrame"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1GeodeticReferenceFrame"></span><span class="k"><span class="pre">class</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">GeodeticReferenceFrame</span></span></span><span class="w"> </span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="k"><span class="pre">public</span></span><span class="w"> </span><span class="n"><span class="pre">osgeo</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">proj</span></span><span class="p"><span class="pre">::</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datumE" title="osgeo::proj::datum"><span class="n"><span class="pre">datum</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum5DatumE" title="osgeo::proj::datum::Datum"><span class="n"><span class="pre">Datum</span></span></a><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum22GeodeticReferenceFrameE" title="Permalink to this definition">¶</a><br /></dt>
<dd><div class="docutils container">
<em>#include <datum.hpp></em></div>
<p>The definition of the position, scale and orientation of a geocentric Cartesian 3D coordinate system relative to the Earth. </p>
<p>It may also identify a defined ellipsoid (or sphere) that approximates the shape of the Earth and which is centred on and aligned to this geocentric coordinate system. Older geodetic datums define the location and orientation of a defined ellipsoid (or sphere) that approximates the shape of the earth.</p>
<p><div class="remark admonition">
<p class="admonition-title">Remark</p>
<p>Implements <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1GeodeticReferenceFrame"><span class="std std-ref">GeodeticReferenceFrame</span></a> from <a class="reference internal" href="cpp_general.html#general_doc_1ISO_19111_2019"><span class="std std-ref">ISO 19111:2019</span></a> </p>
</div>
</p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>The terminology “Datum” is often used to mean a <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1GeodeticReferenceFrame"><span class="std std-ref">GeodeticReferenceFrame</span></a>.</p>
</div>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>In <a class="reference internal" href="cpp_general.html#general_doc_1ISO_19111_2007"><span class="std std-ref">ISO 19111:2007</span></a>, this class was called GeodeticDatum.</p>
</div>
<p>Subclassed by <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1DynamicGeodeticReferenceFrame"><span class="std std-ref">osgeo::proj::datum::DynamicGeodeticReferenceFrame</span></a></p>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-functions">Public Functions</p>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum22GeodeticReferenceFrame13primeMeridianEv">
<span id="_CPPv3N5osgeo4proj5datum22GeodeticReferenceFrame13primeMeridianEv"></span><span id="_CPPv2N5osgeo4proj5datum22GeodeticReferenceFrame13primeMeridianEv"></span><span id="osgeo::proj::datum::GeodeticReferenceFrame::primeMeridian"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1GeodeticReferenceFrame_1a0dd5251837cd7d86456ea9e8c80c0aa5"></span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum18PrimeMeridianNNPtrE" title="osgeo::proj::datum::PrimeMeridianNNPtr"><span class="n"><span class="pre">PrimeMeridianNNPtr</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="sig-name descname"><span class="n"><span class="pre">primeMeridian</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum22GeodeticReferenceFrame13primeMeridianEv" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Return the <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1PrimeMeridian"><span class="std std-ref">PrimeMeridian</span></a> associated with a <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1GeodeticReferenceFrame"><span class="std std-ref">GeodeticReferenceFrame</span></a>. </p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>the <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1PrimeMeridian"><span class="std std-ref">PrimeMeridian</span></a>. </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum22GeodeticReferenceFrame9ellipsoidEv">
<span id="_CPPv3N5osgeo4proj5datum22GeodeticReferenceFrame9ellipsoidEv"></span><span id="_CPPv2N5osgeo4proj5datum22GeodeticReferenceFrame9ellipsoidEv"></span><span id="osgeo::proj::datum::GeodeticReferenceFrame::ellipsoid"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1GeodeticReferenceFrame_1a3f9f3e6a43aed9d5aadc6492fede1a8b"></span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum14EllipsoidNNPtrE" title="osgeo::proj::datum::EllipsoidNNPtr"><span class="n"><span class="pre">EllipsoidNNPtr</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="sig-name descname"><span class="n"><span class="pre">ellipsoid</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum22GeodeticReferenceFrame9ellipsoidEv" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Return the <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1Ellipsoid"><span class="std std-ref">Ellipsoid</span></a> associated with a <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1GeodeticReferenceFrame"><span class="std std-ref">GeodeticReferenceFrame</span></a>. </p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>The <a class="reference internal" href="cpp_general.html#general_doc_1ISO_19111_2019"><span class="std std-ref">ISO 19111:2019</span></a> modelling allows (but discourages) a <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1GeodeticReferenceFrame"><span class="std std-ref">GeodeticReferenceFrame</span></a> to not be associated with a <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1Ellipsoid"><span class="std std-ref">Ellipsoid</span></a> in the case where it is used by a geocentric <a class="reference internal" href="crs.html#classosgeo_1_1proj_1_1crs_1_1GeodeticCRS"><span class="std std-ref">crs::GeodeticCRS</span></a>. We have made the choice of making the ellipsoid specification compulsory.</p>
</div>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>the <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1Ellipsoid"><span class="std std-ref">Ellipsoid</span></a>. </p>
</dd>
</dl>
</dd></dl>
</div>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-static-functions">Public Static Functions</p>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum22GeodeticReferenceFrame6createERKN4util11PropertyMapERK14EllipsoidNNPtrRKN4util8optionalINSt6stringEEERK18PrimeMeridianNNPtr">
<span id="_CPPv3N5osgeo4proj5datum22GeodeticReferenceFrame6createERKN4util11PropertyMapERK14EllipsoidNNPtrRKN4util8optionalINSt6stringEEERK18PrimeMeridianNNPtr"></span><span id="_CPPv2N5osgeo4proj5datum22GeodeticReferenceFrame6createERKN4util11PropertyMapERK14EllipsoidNNPtrRKN4util8optionalINSt6stringEEERK18PrimeMeridianNNPtr"></span><span id="osgeo::proj::datum::GeodeticReferenceFrame::create__util::PropertyMapCR.EllipsoidNNPtrCR.util::optional:ss:CR.PrimeMeridianNNPtrCR"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1GeodeticReferenceFrame_1ab862c6d2eccbe8afd77f7b83edaab787"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum27GeodeticReferenceFrameNNPtrE" title="osgeo::proj::datum::GeodeticReferenceFrameNNPtr"><span class="n"><span class="pre">GeodeticReferenceFrameNNPtr</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">create</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4util11PropertyMapE" title="osgeo::proj::util::PropertyMap"><span class="n"><span class="pre">PropertyMap</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">properties</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum14EllipsoidNNPtrE" title="osgeo::proj::datum::EllipsoidNNPtr"><span class="n"><span class="pre">EllipsoidNNPtr</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">ellipsoid</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4I0EN5osgeo4proj4util8optionalE" title="osgeo::proj::util::optional"><span class="n"><span class="pre">optional</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string</span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">anchor</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum18PrimeMeridianNNPtrE" title="osgeo::proj::datum::PrimeMeridianNNPtr"><span class="n"><span class="pre">PrimeMeridianNNPtr</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">primeMeridian</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum22GeodeticReferenceFrame6createERKN4util11PropertyMapERK14EllipsoidNNPtrRKN4util8optionalINSt6stringEEERK18PrimeMeridianNNPtr" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Instantiate a <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1GeodeticReferenceFrame"><span class="std std-ref">GeodeticReferenceFrame</span></a>. </p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>properties</strong> – See <a class="reference internal" href="cpp_general.html#general_doc_1general_properties"><span class="std std-ref">General properties</span></a>. At minimum the name should be defined. </p></li>
<li><p><strong>ellipsoid</strong> – the <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1Ellipsoid"><span class="std std-ref">Ellipsoid</span></a>. </p></li>
<li><p><strong>anchor</strong> – the anchor definition, or empty. </p></li>
<li><p><strong>primeMeridian</strong> – the <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1PrimeMeridian"><span class="std std-ref">PrimeMeridian</span></a>. </p></li>
</ul>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>new <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1GeodeticReferenceFrame"><span class="std std-ref">GeodeticReferenceFrame</span></a>. </p>
</dd>
</dl>
</dd></dl>
</div>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-static-attributes">Public Static Attributes</p>
<dl class="cpp var">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum22GeodeticReferenceFrame9EPSG_6267E">
<span id="_CPPv3N5osgeo4proj5datum22GeodeticReferenceFrame9EPSG_6267E"></span><span id="_CPPv2N5osgeo4proj5datum22GeodeticReferenceFrame9EPSG_6267E"></span><span id="osgeo::proj::datum::GeodeticReferenceFrame::EPSG_6267__GeodeticReferenceFrameNNPtrC"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1GeodeticReferenceFrame_1add01d384cf70f836328310d1eea12e79"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum27GeodeticReferenceFrameNNPtrE" title="osgeo::proj::datum::GeodeticReferenceFrameNNPtr"><span class="n"><span class="pre">GeodeticReferenceFrameNNPtr</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">EPSG_6267</span></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum22GeodeticReferenceFrame9EPSG_6267E" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>The EPSG:6267 / “North_American_Datum_1927” <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1GeodeticReferenceFrame"><span class="std std-ref">GeodeticReferenceFrame</span></a>. </p>
</dd></dl>
<dl class="cpp var">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum22GeodeticReferenceFrame9EPSG_6269E">
<span id="_CPPv3N5osgeo4proj5datum22GeodeticReferenceFrame9EPSG_6269E"></span><span id="_CPPv2N5osgeo4proj5datum22GeodeticReferenceFrame9EPSG_6269E"></span><span id="osgeo::proj::datum::GeodeticReferenceFrame::EPSG_6269__GeodeticReferenceFrameNNPtrC"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1GeodeticReferenceFrame_1aa81c0dc5394197e4d10cd9228da99b29"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum27GeodeticReferenceFrameNNPtrE" title="osgeo::proj::datum::GeodeticReferenceFrameNNPtr"><span class="n"><span class="pre">GeodeticReferenceFrameNNPtr</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">EPSG_6269</span></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum22GeodeticReferenceFrame9EPSG_6269E" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>The EPSG:6269 / “North_American_Datum_1983” <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1GeodeticReferenceFrame"><span class="std std-ref">GeodeticReferenceFrame</span></a>. </p>
</dd></dl>
<dl class="cpp var">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum22GeodeticReferenceFrame9EPSG_6326E">
<span id="_CPPv3N5osgeo4proj5datum22GeodeticReferenceFrame9EPSG_6326E"></span><span id="_CPPv2N5osgeo4proj5datum22GeodeticReferenceFrame9EPSG_6326E"></span><span id="osgeo::proj::datum::GeodeticReferenceFrame::EPSG_6326__GeodeticReferenceFrameNNPtrC"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1GeodeticReferenceFrame_1a1fe300913cd10d8c90ae3f825bb412c6"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum27GeodeticReferenceFrameNNPtrE" title="osgeo::proj::datum::GeodeticReferenceFrameNNPtr"><span class="n"><span class="pre">GeodeticReferenceFrameNNPtr</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">EPSG_6326</span></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum22GeodeticReferenceFrame9EPSG_6326E" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>The EPSG:6326 / “WGS_1984” <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1GeodeticReferenceFrame"><span class="std std-ref">GeodeticReferenceFrame</span></a>. </p>
</dd></dl>
</div>
</dd></dl>
<dl class="cpp class">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum15ParametricDatumE">
<span id="_CPPv3N5osgeo4proj5datum15ParametricDatumE"></span><span id="_CPPv2N5osgeo4proj5datum15ParametricDatumE"></span><span id="osgeo::proj::datum::ParametricDatum"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1ParametricDatum"></span><span class="k"><span class="pre">class</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">ParametricDatum</span></span></span><span class="w"> </span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="k"><span class="pre">public</span></span><span class="w"> </span><span class="n"><span class="pre">osgeo</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">proj</span></span><span class="p"><span class="pre">::</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datumE" title="osgeo::proj::datum"><span class="n"><span class="pre">datum</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum5DatumE" title="osgeo::proj::datum::Datum"><span class="n"><span class="pre">Datum</span></span></a><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum15ParametricDatumE" title="Permalink to this definition">¶</a><br /></dt>
<dd><div class="docutils container">
<em>#include <datum.hpp></em></div>
<p>Textual description and/or a set of parameters identifying a particular reference surface used as the origin of a parametric coordinate system, including its position with respect to the Earth. </p>
<p><div class="remark admonition">
<p class="admonition-title">Remark</p>
<p>Implements <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1ParametricDatum"><span class="std std-ref">ParametricDatum</span></a> from <a class="reference internal" href="cpp_general.html#general_doc_1ISO_19111_2019"><span class="std std-ref">ISO 19111:2019</span></a> </p>
</div>
</p>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-static-functions">Public Static Functions</p>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum15ParametricDatum6createERKN4util11PropertyMapERKN4util8optionalINSt6stringEEE">
<span id="_CPPv3N5osgeo4proj5datum15ParametricDatum6createERKN4util11PropertyMapERKN4util8optionalINSt6stringEEE"></span><span id="_CPPv2N5osgeo4proj5datum15ParametricDatum6createERKN4util11PropertyMapERKN4util8optionalINSt6stringEEE"></span><span id="osgeo::proj::datum::ParametricDatum::create__util::PropertyMapCR.util::optional:ss:CR"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1ParametricDatum_1a3fc9fe6a09000354327bc02376891959"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum20ParametricDatumNNPtrE" title="osgeo::proj::datum::ParametricDatumNNPtr"><span class="n"><span class="pre">ParametricDatumNNPtr</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">create</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4util11PropertyMapE" title="osgeo::proj::util::PropertyMap"><span class="n"><span class="pre">PropertyMap</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">properties</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4I0EN5osgeo4proj4util8optionalE" title="osgeo::proj::util::optional"><span class="n"><span class="pre">optional</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string</span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">anchor</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4I0EN5osgeo4proj4util8optionalE" title="osgeo::proj::util::optional"><span class="n"><span class="pre">optional</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string</span></span><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">(</span></span><span class="p"><span class="pre">)</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum15ParametricDatum6createERKN4util11PropertyMapERKN4util8optionalINSt6stringEEE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Instantiate a <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1ParametricDatum"><span class="std std-ref">ParametricDatum</span></a>. </p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>properties</strong> – See <a class="reference internal" href="cpp_general.html#general_doc_1general_properties"><span class="std std-ref">General properties</span></a>. At minimum the name should be defined. </p></li>
<li><p><strong>anchor</strong> – the anchor definition, or empty. </p></li>
</ul>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>new <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1ParametricDatum"><span class="std std-ref">ParametricDatum</span></a>. </p>
</dd>
</dl>
</dd></dl>
</div>
</dd></dl>
<dl class="cpp class">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum13PrimeMeridianE">
<span id="_CPPv3N5osgeo4proj5datum13PrimeMeridianE"></span><span id="_CPPv2N5osgeo4proj5datum13PrimeMeridianE"></span><span id="osgeo::proj::datum::PrimeMeridian"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1PrimeMeridian"></span><span class="k"><span class="pre">class</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">PrimeMeridian</span></span></span><span class="w"> </span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="k"><span class="pre">public</span></span><span class="w"> </span><span class="n"><span class="pre">osgeo</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">proj</span></span><span class="p"><span class="pre">::</span></span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6commonE" title="osgeo::proj::common"><span class="n"><span class="pre">common</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6common16IdentifiedObjectE" title="osgeo::proj::common::IdentifiedObject"><span class="n"><span class="pre">IdentifiedObject</span></span></a><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="k"><span class="pre">public</span></span><span class="w"> </span><span class="n"><span class="pre">osgeo</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">proj</span></span><span class="p"><span class="pre">::</span></span><a class="reference internal" href="io.html#_CPPv4N5osgeo4proj2ioE" title="osgeo::proj::io"><span class="n"><span class="pre">io</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="io.html#_CPPv4N5osgeo4proj2io21IPROJStringExportableE" title="osgeo::proj::io::IPROJStringExportable"><span class="n"><span class="pre">IPROJStringExportable</span></span></a><span class="p"><span class="pre">,</span></span><span class="w"> </span><span class="k"><span class="pre">public</span></span><span class="w"> </span><span class="n"><span class="pre">osgeo</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">proj</span></span><span class="p"><span class="pre">::</span></span><a class="reference internal" href="io.html#_CPPv4N5osgeo4proj2ioE" title="osgeo::proj::io"><span class="n"><span class="pre">io</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="io.html#_CPPv4N5osgeo4proj2io15IJSONExportableE" title="osgeo::proj::io::IJSONExportable"><span class="n"><span class="pre">IJSONExportable</span></span></a><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum13PrimeMeridianE" title="Permalink to this definition">¶</a><br /></dt>
<dd><div class="docutils container">
<em>#include <datum.hpp></em></div>
<p>The origin meridian from which longitude values are determined. </p>
<p><div class="remark admonition">
<p class="admonition-title">Remark</p>
<p>Implements <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1PrimeMeridian"><span class="std std-ref">PrimeMeridian</span></a> from <a class="reference internal" href="cpp_general.html#general_doc_1ISO_19111_2019"><span class="std std-ref">ISO 19111:2019</span></a> </p>
</div>
</p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>The default value for prime meridian name is “Greenwich”. When the default applies, the value for the longitude shall be 0 (degrees).</p>
</div>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-functions">Public Functions</p>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum13PrimeMeridian9longitudeEv">
<span id="_CPPv3N5osgeo4proj5datum13PrimeMeridian9longitudeEv"></span><span id="_CPPv2N5osgeo4proj5datum13PrimeMeridian9longitudeEv"></span><span id="osgeo::proj::datum::PrimeMeridian::longitude"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1PrimeMeridian_1a3f1c5598ad8e1864dec7c871931a6356"></span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6commonE" title="osgeo::proj::common"><span class="n"><span class="pre">common</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6common5AngleE" title="osgeo::proj::common::Angle"><span class="n"><span class="pre">Angle</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="sig-name descname"><span class="n"><span class="pre">longitude</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum13PrimeMeridian9longitudeEv" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Return the longitude of the prime meridian. </p>
<p>It is measured from the internationally-recognised reference meridian (‘Greenwich meridian’), positive eastward. The default value is 0 degrees.</p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>the longitude of the prime meridian. </p>
</dd>
</dl>
</dd></dl>
</div>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-static-functions">Public Static Functions</p>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum13PrimeMeridian6createERKN4util11PropertyMapERKN6common5AngleE">
<span id="_CPPv3N5osgeo4proj5datum13PrimeMeridian6createERKN4util11PropertyMapERKN6common5AngleE"></span><span id="_CPPv2N5osgeo4proj5datum13PrimeMeridian6createERKN4util11PropertyMapERKN6common5AngleE"></span><span id="osgeo::proj::datum::PrimeMeridian::create__util::PropertyMapCR.common::AngleCR"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1PrimeMeridian_1a22546baf97e62b4e4646535b65f8dbf0"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum18PrimeMeridianNNPtrE" title="osgeo::proj::datum::PrimeMeridianNNPtr"><span class="n"><span class="pre">PrimeMeridianNNPtr</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">create</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4util11PropertyMapE" title="osgeo::proj::util::PropertyMap"><span class="n"><span class="pre">PropertyMap</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">properties</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6commonE" title="osgeo::proj::common"><span class="n"><span class="pre">common</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6common5AngleE" title="osgeo::proj::common::Angle"><span class="n"><span class="pre">Angle</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">longitudeIn</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum13PrimeMeridian6createERKN4util11PropertyMapERKN6common5AngleE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Instantiate a <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1PrimeMeridian"><span class="std std-ref">PrimeMeridian</span></a>. </p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>properties</strong> – See <a class="reference internal" href="cpp_general.html#general_doc_1general_properties"><span class="std std-ref">General properties</span></a>. At minimum the name should be defined. </p></li>
<li><p><strong>longitudeIn</strong> – the longitude of the prime meridian. </p></li>
</ul>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>new <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1PrimeMeridian"><span class="std std-ref">PrimeMeridian</span></a>. </p>
</dd>
</dl>
</dd></dl>
</div>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-static-attributes">Public Static Attributes</p>
<dl class="cpp var">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum13PrimeMeridian9GREENWICHE">
<span id="_CPPv3N5osgeo4proj5datum13PrimeMeridian9GREENWICHE"></span><span id="_CPPv2N5osgeo4proj5datum13PrimeMeridian9GREENWICHE"></span><span id="osgeo::proj::datum::PrimeMeridian::GREENWICH__PrimeMeridianNNPtrC"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1PrimeMeridian_1aebca62091243464bb2ded6e3baded347"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum18PrimeMeridianNNPtrE" title="osgeo::proj::datum::PrimeMeridianNNPtr"><span class="n"><span class="pre">PrimeMeridianNNPtr</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">GREENWICH</span></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum13PrimeMeridian9GREENWICHE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>The Greenwich <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1PrimeMeridian"><span class="std std-ref">PrimeMeridian</span></a>. </p>
</dd></dl>
<dl class="cpp var">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum13PrimeMeridian18REFERENCE_MERIDIANE">
<span id="_CPPv3N5osgeo4proj5datum13PrimeMeridian18REFERENCE_MERIDIANE"></span><span id="_CPPv2N5osgeo4proj5datum13PrimeMeridian18REFERENCE_MERIDIANE"></span><span id="osgeo::proj::datum::PrimeMeridian::REFERENCE_MERIDIAN__PrimeMeridianNNPtrC"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1PrimeMeridian_1abc40efde633c72cd16c6f82dec3b87aa"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum18PrimeMeridianNNPtrE" title="osgeo::proj::datum::PrimeMeridianNNPtr"><span class="n"><span class="pre">PrimeMeridianNNPtr</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">REFERENCE_MERIDIAN</span></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum13PrimeMeridian18REFERENCE_MERIDIANE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>The “Reference Meridian” <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1PrimeMeridian"><span class="std std-ref">PrimeMeridian</span></a>. </p>
<p>This is a meridian of longitude 0 to be used with non-Earth bodies. </p>
</dd></dl>
<dl class="cpp var">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum13PrimeMeridian5PARISE">
<span id="_CPPv3N5osgeo4proj5datum13PrimeMeridian5PARISE"></span><span id="_CPPv2N5osgeo4proj5datum13PrimeMeridian5PARISE"></span><span id="osgeo::proj::datum::PrimeMeridian::PARIS__PrimeMeridianNNPtrC"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1PrimeMeridian_1a7a1219a812619b48f97766bdf5539d0b"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum18PrimeMeridianNNPtrE" title="osgeo::proj::datum::PrimeMeridianNNPtr"><span class="n"><span class="pre">PrimeMeridianNNPtr</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">PARIS</span></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum13PrimeMeridian5PARISE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>The Paris <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1PrimeMeridian"><span class="std std-ref">PrimeMeridian</span></a>. </p>
</dd></dl>
</div>
</dd></dl>
<dl class="cpp class">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum17RealizationMethodE">
<span id="_CPPv3N5osgeo4proj5datum17RealizationMethodE"></span><span id="_CPPv2N5osgeo4proj5datum17RealizationMethodE"></span><span id="osgeo::proj::datum::RealizationMethod"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1RealizationMethod"></span><span class="k"><span class="pre">class</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">RealizationMethod</span></span></span><span class="w"> </span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="k"><span class="pre">public</span></span><span class="w"> </span><span class="n"><span class="pre">osgeo</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">proj</span></span><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4util8CodeListE" title="osgeo::proj::util::CodeList"><span class="n"><span class="pre">CodeList</span></span></a><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum17RealizationMethodE" title="Permalink to this definition">¶</a><br /></dt>
<dd><div class="docutils container">
<em>#include <datum.hpp></em></div>
<p>The specification of the method by which the vertical reference frame is realized. </p>
<p><div class="remark admonition">
<p class="admonition-title">Remark</p>
<p>Implements <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1RealizationMethod"><span class="std std-ref">RealizationMethod</span></a> from <a class="reference internal" href="cpp_general.html#general_doc_1ISO_19111_2019"><span class="std std-ref">ISO 19111:2019</span></a> </p>
</div>
</p>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-static-attributes">Public Static Attributes</p>
<dl class="cpp var">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum17RealizationMethod9LEVELLINGE">
<span id="_CPPv3N5osgeo4proj5datum17RealizationMethod9LEVELLINGE"></span><span id="_CPPv2N5osgeo4proj5datum17RealizationMethod9LEVELLINGE"></span><span id="osgeo::proj::datum::RealizationMethod::LEVELLING__RealizationMethodC"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1RealizationMethod_1ab09c13e3a44fff1df3f5b3e92c33828f"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum17RealizationMethodE" title="osgeo::proj::datum::RealizationMethod"><span class="n"><span class="pre">RealizationMethod</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">LEVELLING</span></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum17RealizationMethod9LEVELLINGE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>The realization is by adjustment of a levelling network fixed to one or more tide gauges. </p>
</dd></dl>
<dl class="cpp var">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum17RealizationMethod5GEOIDE">
<span id="_CPPv3N5osgeo4proj5datum17RealizationMethod5GEOIDE"></span><span id="_CPPv2N5osgeo4proj5datum17RealizationMethod5GEOIDE"></span><span id="osgeo::proj::datum::RealizationMethod::GEOID__RealizationMethodC"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1RealizationMethod_1afc639db8e2648c6ceccd53b8d969d70b"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum17RealizationMethodE" title="osgeo::proj::datum::RealizationMethod"><span class="n"><span class="pre">RealizationMethod</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">GEOID</span></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum17RealizationMethod5GEOIDE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>The realization is through a geoid height model or a height correction model. This is applied to a specified geodetic CRS. </p>
</dd></dl>
<dl class="cpp var">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum17RealizationMethod5TIDALE">
<span id="_CPPv3N5osgeo4proj5datum17RealizationMethod5TIDALE"></span><span id="_CPPv2N5osgeo4proj5datum17RealizationMethod5TIDALE"></span><span id="osgeo::proj::datum::RealizationMethod::TIDAL__RealizationMethodC"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1RealizationMethod_1ad3a632b413091e739528493db305835f"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum17RealizationMethodE" title="osgeo::proj::datum::RealizationMethod"><span class="n"><span class="pre">RealizationMethod</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">TIDAL</span></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum17RealizationMethod5TIDALE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>The realization is through a tidal model or by tidal predictions. </p>
</dd></dl>
</div>
</dd></dl>
<dl class="cpp class">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum13TemporalDatumE">
<span id="_CPPv3N5osgeo4proj5datum13TemporalDatumE"></span><span id="_CPPv2N5osgeo4proj5datum13TemporalDatumE"></span><span id="osgeo::proj::datum::TemporalDatum"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1TemporalDatum"></span><span class="k"><span class="pre">class</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">TemporalDatum</span></span></span><span class="w"> </span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="k"><span class="pre">public</span></span><span class="w"> </span><span class="n"><span class="pre">osgeo</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">proj</span></span><span class="p"><span class="pre">::</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datumE" title="osgeo::proj::datum"><span class="n"><span class="pre">datum</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum5DatumE" title="osgeo::proj::datum::Datum"><span class="n"><span class="pre">Datum</span></span></a><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum13TemporalDatumE" title="Permalink to this definition">¶</a><br /></dt>
<dd><div class="docutils container">
<em>#include <datum.hpp></em></div>
<p>The definition of the relationship of a temporal coordinate system to an object. The object is normally time on the Earth. </p>
<p><div class="remark admonition">
<p class="admonition-title">Remark</p>
<p>Implements <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1TemporalDatum"><span class="std std-ref">TemporalDatum</span></a> from <a class="reference internal" href="cpp_general.html#general_doc_1ISO_19111_2019"><span class="std std-ref">ISO 19111:2019</span></a> </p>
</div>
</p>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-functions">Public Functions</p>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4NK5osgeo4proj5datum13TemporalDatum14temporalOriginEv">
<span id="_CPPv3NK5osgeo4proj5datum13TemporalDatum14temporalOriginEv"></span><span id="_CPPv2NK5osgeo4proj5datum13TemporalDatum14temporalOriginEv"></span><span id="osgeo::proj::datum::TemporalDatum::temporalOriginC"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1TemporalDatum_1ae9357b50c21fa43b80eb4a9ebb59d7a9"></span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6commonE" title="osgeo::proj::common"><span class="n"><span class="pre">common</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6common8DateTimeE" title="osgeo::proj::common::DateTime"><span class="n"><span class="pre">DateTime</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="sig-name descname"><span class="n"><span class="pre">temporalOrigin</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5osgeo4proj5datum13TemporalDatum14temporalOriginEv" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Return the date and time to which temporal coordinates are referenced, expressed in conformance with ISO 8601. </p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>the temporal origin. </p>
</dd>
</dl>
</dd></dl>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4NK5osgeo4proj5datum13TemporalDatum8calendarEv">
<span id="_CPPv3NK5osgeo4proj5datum13TemporalDatum8calendarEv"></span><span id="_CPPv2NK5osgeo4proj5datum13TemporalDatum8calendarEv"></span><span id="osgeo::proj::datum::TemporalDatum::calendarC"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1TemporalDatum_1a5001ffb79b080778026823f7107ff556"></span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string</span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="sig-name descname"><span class="n"><span class="pre">calendar</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5osgeo4proj5datum13TemporalDatum8calendarEv" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Return the calendar to which the temporal origin is referenced. </p>
<p>Default value: <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1TemporalDatum_1a33c75ae36744f2e4f50d4357d1105f59"><span class="std std-ref">TemporalDatum::CALENDAR_PROLEPTIC_GREGORIAN</span></a>.</p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>the calendar. </p>
</dd>
</dl>
</dd></dl>
</div>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-static-functions">Public Static Functions</p>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum13TemporalDatum6createERKN4util11PropertyMapERKN6common8DateTimeERKNSt6stringE">
<span id="_CPPv3N5osgeo4proj5datum13TemporalDatum6createERKN4util11PropertyMapERKN6common8DateTimeERKNSt6stringE"></span><span id="_CPPv2N5osgeo4proj5datum13TemporalDatum6createERKN4util11PropertyMapERKN6common8DateTimeERKNSt6stringE"></span><span id="osgeo::proj::datum::TemporalDatum::create__util::PropertyMapCR.common::DateTimeCR.ssCR"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1TemporalDatum_1a937aed63dd1e35dd2d28033c6be9361f"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum18TemporalDatumNNPtrE" title="osgeo::proj::datum::TemporalDatumNNPtr"><span class="n"><span class="pre">TemporalDatumNNPtr</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">create</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4util11PropertyMapE" title="osgeo::proj::util::PropertyMap"><span class="n"><span class="pre">PropertyMap</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">properties</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6commonE" title="osgeo::proj::common"><span class="n"><span class="pre">common</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="common.html#_CPPv4N5osgeo4proj6common8DateTimeE" title="osgeo::proj::common::DateTime"><span class="n"><span class="pre">DateTime</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">temporalOriginIn</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string</span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">calendarIn</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum13TemporalDatum6createERKN4util11PropertyMapERKN6common8DateTimeERKNSt6stringE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Instantiate a <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1TemporalDatum"><span class="std std-ref">TemporalDatum</span></a>. </p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>properties</strong> – See <a class="reference internal" href="cpp_general.html#general_doc_1general_properties"><span class="std std-ref">General properties</span></a>. At minimum the name should be defined. </p></li>
<li><p><strong>temporalOriginIn</strong> – the temporal origin into which temporal coordinates are referenced. </p></li>
<li><p><strong>calendarIn</strong> – the calendar (generally <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1TemporalDatum_1a33c75ae36744f2e4f50d4357d1105f59"><span class="std std-ref">TemporalDatum::CALENDAR_PROLEPTIC_GREGORIAN</span></a>) </p></li>
</ul>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>new <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1TemporalDatum"><span class="std std-ref">TemporalDatum</span></a>. </p>
</dd>
</dl>
</dd></dl>
</div>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-static-attributes">Public Static Attributes</p>
<dl class="cpp var">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum13TemporalDatum28CALENDAR_PROLEPTIC_GREGORIANE">
<span id="_CPPv3N5osgeo4proj5datum13TemporalDatum28CALENDAR_PROLEPTIC_GREGORIANE"></span><span id="_CPPv2N5osgeo4proj5datum13TemporalDatum28CALENDAR_PROLEPTIC_GREGORIANE"></span><span id="osgeo::proj::datum::TemporalDatum::CALENDAR_PROLEPTIC_GREGORIAN__ssC"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1TemporalDatum_1a33c75ae36744f2e4f50d4357d1105f59"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><span class="k"><span class="pre">const</span></span><span class="w"> </span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">CALENDAR_PROLEPTIC_GREGORIAN</span></span></span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum13TemporalDatum28CALENDAR_PROLEPTIC_GREGORIANE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>The proleptic Gregorian calendar. </p>
</dd></dl>
</div>
</dd></dl>
<dl class="cpp class">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum22VerticalReferenceFrameE">
<span id="_CPPv3N5osgeo4proj5datum22VerticalReferenceFrameE"></span><span id="_CPPv2N5osgeo4proj5datum22VerticalReferenceFrameE"></span><span id="osgeo::proj::datum::VerticalReferenceFrame"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1VerticalReferenceFrame"></span><span class="k"><span class="pre">class</span></span><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">VerticalReferenceFrame</span></span></span><span class="w"> </span><span class="p"><span class="pre">:</span></span><span class="w"> </span><span class="k"><span class="pre">public</span></span><span class="w"> </span><span class="n"><span class="pre">osgeo</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">proj</span></span><span class="p"><span class="pre">::</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datumE" title="osgeo::proj::datum"><span class="n"><span class="pre">datum</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum5DatumE" title="osgeo::proj::datum::Datum"><span class="n"><span class="pre">Datum</span></span></a><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum22VerticalReferenceFrameE" title="Permalink to this definition">¶</a><br /></dt>
<dd><div class="docutils container">
<em>#include <datum.hpp></em></div>
<p>A textual description and/or a set of parameters identifying a particular reference level surface used as a zero-height or zero-depth surface, including its position with respect to the Earth. </p>
<p><div class="remark admonition">
<p class="admonition-title">Remark</p>
<p>Implements <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1VerticalReferenceFrame"><span class="std std-ref">VerticalReferenceFrame</span></a> from <a class="reference internal" href="cpp_general.html#general_doc_1ISO_19111_2019"><span class="std std-ref">ISO 19111:2019</span></a> </p>
</div>
</p>
<div class="admonition note">
<p class="admonition-title">Note</p>
<p>In <a class="reference internal" href="cpp_general.html#general_doc_1ISO_19111_2007"><span class="std std-ref">ISO 19111:2007</span></a>, this class was called VerticalDatum.</p>
</div>
<p>Subclassed by <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1DynamicVerticalReferenceFrame"><span class="std std-ref">osgeo::proj::datum::DynamicVerticalReferenceFrame</span></a></p>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-functions">Public Functions</p>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4NK5osgeo4proj5datum22VerticalReferenceFrame17realizationMethodEv">
<span id="_CPPv3NK5osgeo4proj5datum22VerticalReferenceFrame17realizationMethodEv"></span><span id="_CPPv2NK5osgeo4proj5datum22VerticalReferenceFrame17realizationMethodEv"></span><span id="osgeo::proj::datum::VerticalReferenceFrame::realizationMethodC"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1VerticalReferenceFrame_1a4e789f75ba9ab4fbf4e31466ab55abdd"></span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4I0EN5osgeo4proj4util8optionalE" title="osgeo::proj::util::optional"><span class="n"><span class="pre">optional</span></span></a><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum17RealizationMethodE" title="osgeo::proj::datum::RealizationMethod"><span class="n"><span class="pre">RealizationMethod</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="sig-name descname"><span class="n"><span class="pre">realizationMethod</span></span></span><span class="sig-paren">(</span><span class="sig-paren">)</span><span class="w"> </span><span class="k"><span class="pre">const</span></span><a class="headerlink" href="#_CPPv4NK5osgeo4proj5datum22VerticalReferenceFrame17realizationMethodEv" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Return the method through which this vertical reference frame is realized. </p>
<dl class="field-list simple">
<dt class="field-odd">Returns</dt>
<dd class="field-odd"><p>the realization method. </p>
</dd>
</dl>
</dd></dl>
</div>
<div class="breathe-sectiondef docutils container">
<p class="breathe-sectiondef-title rubric" id="breathe-section-title-public-static-functions">Public Static Functions</p>
<dl class="cpp function">
<dt class="sig sig-object cpp" id="_CPPv4N5osgeo4proj5datum22VerticalReferenceFrame6createERKN4util11PropertyMapERKN4util8optionalINSt6stringEEERKN4util8optionalI17RealizationMethodEE">
<span id="_CPPv3N5osgeo4proj5datum22VerticalReferenceFrame6createERKN4util11PropertyMapERKN4util8optionalINSt6stringEEERKN4util8optionalI17RealizationMethodEE"></span><span id="_CPPv2N5osgeo4proj5datum22VerticalReferenceFrame6createERKN4util11PropertyMapERKN4util8optionalINSt6stringEEERKN4util8optionalI17RealizationMethodEE"></span><span id="osgeo::proj::datum::VerticalReferenceFrame::create__util::PropertyMapCR.util::optional:ss:CR.util::optional:RealizationMethod:CR"></span><span class="target" id="classosgeo_1_1proj_1_1datum_1_1VerticalReferenceFrame_1aba30f2215af810295ffdeb5b6b575cc8"></span><span class="k"><span class="pre">static</span></span><span class="w"> </span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum27VerticalReferenceFrameNNPtrE" title="osgeo::proj::datum::VerticalReferenceFrameNNPtr"><span class="n"><span class="pre">VerticalReferenceFrameNNPtr</span></span></a><span class="w"> </span><span class="sig-name descname"><span class="n"><span class="pre">create</span></span></span><span class="sig-paren">(</span><span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4util11PropertyMapE" title="osgeo::proj::util::PropertyMap"><span class="n"><span class="pre">PropertyMap</span></span></a><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">properties</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4I0EN5osgeo4proj4util8optionalE" title="osgeo::proj::util::optional"><span class="n"><span class="pre">optional</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string</span></span><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">anchor</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4I0EN5osgeo4proj4util8optionalE" title="osgeo::proj::util::optional"><span class="n"><span class="pre">optional</span></span></a><span class="p"><span class="pre"><</span></span><span class="n"><span class="pre">std</span></span><span class="p"><span class="pre">::</span></span><span class="n"><span class="pre">string</span></span><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">(</span></span><span class="p"><span class="pre">)</span></span>, <span class="k"><span class="pre">const</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4I0EN5osgeo4proj4util8optionalE" title="osgeo::proj::util::optional"><span class="n"><span class="pre">optional</span></span></a><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum17RealizationMethodE" title="osgeo::proj::datum::RealizationMethod"><span class="n"><span class="pre">RealizationMethod</span></span></a><span class="p"><span class="pre">></span></span><span class="w"> </span><span class="p"><span class="pre">&</span></span><span class="n sig-param"><span class="pre">realizationMethodIn</span></span><span class="w"> </span><span class="p"><span class="pre">=</span></span><span class="w"> </span><a class="reference internal" href="util.html#_CPPv4N5osgeo4proj4utilE" title="osgeo::proj::util"><span class="n"><span class="pre">util</span></span></a><span class="p"><span class="pre">::</span></span><a class="reference internal" href="util.html#_CPPv4I0EN5osgeo4proj4util8optionalE" title="osgeo::proj::util::optional"><span class="n"><span class="pre">optional</span></span></a><span class="p"><span class="pre"><</span></span><a class="reference internal" href="#_CPPv4N5osgeo4proj5datum17RealizationMethodE" title="osgeo::proj::datum::RealizationMethod"><span class="n"><span class="pre">RealizationMethod</span></span></a><span class="p"><span class="pre">></span></span><span class="p"><span class="pre">(</span></span><span class="p"><span class="pre">)</span></span><span class="sig-paren">)</span><a class="headerlink" href="#_CPPv4N5osgeo4proj5datum22VerticalReferenceFrame6createERKN4util11PropertyMapERKN4util8optionalINSt6stringEEERKN4util8optionalI17RealizationMethodEE" title="Permalink to this definition">¶</a><br /></dt>
<dd><p>Instantiate a <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1VerticalReferenceFrame"><span class="std std-ref">VerticalReferenceFrame</span></a>. </p>
<dl class="field-list simple">
<dt class="field-odd">Parameters</dt>
<dd class="field-odd"><ul class="simple">
<li><p><strong>properties</strong> – See <a class="reference internal" href="cpp_general.html#general_doc_1general_properties"><span class="std std-ref">General properties</span></a>. At minimum the name should be defined. </p></li>
<li><p><strong>anchor</strong> – the anchor definition, or empty. </p></li>
<li><p><strong>realizationMethodIn</strong> – the realization method, or empty. </p></li>
</ul>
</dd>
<dt class="field-even">Returns</dt>
<dd class="field-even"><p>new <a class="reference internal" href="#classosgeo_1_1proj_1_1datum_1_1VerticalReferenceFrame"><span class="std std-ref">VerticalReferenceFrame</span></a>. </p>
</dd>
</dl>
</dd></dl>
</div>
</dd></dl>
</dd></dl>
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