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diff --git a/_sources/about_core.rst.txt b/_sources/about_core.rst.txt new file mode 100644 index 00000000..5f4238bc --- /dev/null +++ b/_sources/about_core.rst.txt @@ -0,0 +1,18 @@ +PROJ is a generic coordinate transformation software that transforms geospatial +coordinates from one coordinate reference system (CRS) to another. This +includes cartographic projections as well as geodetic transformations. PROJ +is released under the :ref:`X/MIT open source license <license>` + +PROJ includes :ref:`command line applications<apps>` for easy conversion of +coordinates from text files or directly from user input. In addition to the +command line utilities PROJ also exposes an +:ref:`application programming interface<reference>`, or API in short. The API +lets developers use the functionality of PROJ in their own software without having +to implement similar functionality themselves. + +PROJ started purely as a cartography application letting users convert geodetic +coordinates into projected coordinates using a number of different cartographic +projections. Over the years, as the need has become apparent, support for datum +shifts has slowly worked its way into PROJ as well. Today PROJ supports more +than a hundred different map projections and can transform coordinates between +datums using all but the most obscure geodetic techniques.
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