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2019-02-21Transformation: reintroduce the term of 'Null geographic offset' for ↵Even Rouault
transformations between geographic CRS of same datum (typically 3D to 2D)
2019-02-20typo fixes: s/Explictly/Explicitly/ and s/instanciat/instantiat/Even Rouault
2019-02-20CoordinateOperation: add a hasBallparkTransformation() method that can be ↵Even Rouault
used to know if it includes a very approximative transformation term
2019-02-20CompoundCRS to Geog3DCRS: in synthetised transformation, document in the ↵Even Rouault
name we are lacking an ellipsoid height to vertCRS height correction
2019-02-20PROJStringFormatting: change order of emission of push/pop w.r.t axis ↵Even Rouault
swap/unitconvert to avoid useless simplification rules
2019-02-20PROJStringFormatter: remove useless push/pop in another caseEven Rouault
2019-02-20Vertical CRS transformation: synthetize a vertical unit change ↵Even Rouault
transformation when needed, and also sort Null geographic offset transformation in last
2019-02-20compoundCRS to compoundCRS: avoid emitting dummy 'Null geographic offset ↵Even Rouault
from X to X' in transformation name
2019-02-20Add VERTCON grid name alternatives in database, and handle filename ↵Even Rouault
substitution for VERTCON method
2019-02-18Merge pull request #1276 from ↵Kristian Evers
rouault/intermediate_crs_use_only_if_no_direct_transformation Modify the default strategy of researching intermediate CRS to do it only if there is no direct transformation
2019-02-17tests: implement fuzzy proj string comparison in a few problematic test ↵Even Rouault
cases on non-x86 arch (fixes #1275)
2019-02-17Modify the default strategy of researching intermediate CRS to do it only if ↵Even Rouault
there is no direct transformation
2019-02-15Fix size_t comparisons in testsKai Pastor
2019-02-13EPSG Helmert and Molodensky-Badekas methods in the Geographic 2D domain: use ↵Even Rouault
the push/pop v_3 operator to preserve the Z component
2019-02-13PROJ string parsing: no longer attempt to build a CoordinateOperation object ↵Even Rouault
from +proj=helmert/molodensky since there are ambiguities
2019-02-11Make tmerc an alias for etmerc. (#1234)Kristian Evers
* Make tmerc an alias for etmerc This switches the algorithm used in tmerc to the Poder/Engsager tmerc algorithm. The original tmerc algorithm of Evenden/Snyder origin can still be accessed by adding the +approx flag when initializing a tmerc projection. The +approx flag can also be used when initializing UTM projections, in which case the Evenden/Snyder algorithm is used as well. If a tmerc projection is instantiated on a spherical earth the Evenden/Snyder algorithm is used as well since the Poder/Engsager algorithm is only defined on the ellipsoid. +proj=etmerc can still be instantiated for backwards compatibility reasons. Co-authored-by: Kristian Evers <kristianevers@gmail.com> Co-authored-by: Even Rouault <even.rouault@spatialys.com>
2019-01-22Coordinate operation computation with CRS with extension string: replace ↵Even Rouault
datum by ellps
2019-01-22ISO19111 PROJ string parser: discard parameters not recognized by PROJEven Rouault
2019-01-22Coordinate operation computation with boundcrs / wktext: drop useless early ↵Even Rouault
bindins terms in generated pipeline (fixes #1232)
2019-01-17Remove proj_create_from_proj_string() and proj_create_from_user_input(), and ↵Even Rouault
make proj_create() do more or less what proj_create_from_user_input() did before (fixes #1214)
2019-01-17import/export PROJ strings from ISO19111 code: require/output +type=crs for ↵Even Rouault
CRS objects (refs #1214)
2019-01-16PROJBasedOperation: write it as a conformant CONVERSION WKT, and make it ↵Even Rouault
parsed appropriately on the reading side
2019-01-09createOperations(): fix a particular case of boundcrs to boundcrs ↵Even Rouault
transformation (fixes #1220)
2019-01-08ISO19111: remove PROJ.5 specific format for CRS (refs #1214)Even Rouault
As discussed in https://github.com/OSGeo/proj.4/issues/1214#issuecomment-452084720, the introduction of a new PROJ.5 format to export CRS using pipeline/unitconvert/axisswap as an attempt of improving the PROJ.4 format used by GDAL and other products is likely a dead-end since it is still lossy in many aspects and can cause confusion with coodinate operations. Consequently the PROJ_5 convention will be identical to PROJ_4 for CRS export. Note: on the import side, I've kept the code that could parse unitconvert and axisswap when building a CRS definition from a pipeline. It is there as a hidden feature as it was kind of a tear to remove that code in case it might still be useful...
2018-12-30Rename proj_obj_XXX as proj_XXX and PJ_OBJ_XXX as PJ_XXXEven Rouault
2018-12-29Operation filtering: do not remove Null transformation that may be usefulEven Rouault
2018-12-28Operation computation: better take into account when candidate operations ↵Even Rouault
have no declared extent
2018-12-28ISO19111: fix export to PROJ string of vgridshift to explictly use multiplier=1Even Rouault
2018-12-28createOperations(): allow looking for geographic CRS by name (helps with WKT ↵Even Rouault
2 definitions of PROJCRS that lack it)
2018-12-28Make createOperation() better work with BoundCRS (to take into account the ↵Even Rouault
extent of their base CRS)
2018-12-17Add WKT1 grammar validation; change prototype of proj_obj_create_from_wkt()Even Rouault
2018-12-15Add SingleOperation::validateParameters()Even Rouault
2018-12-13another improvement in isEquivalentTo() when comparing Helmert transformationsEven Rouault
2018-12-13SingleOperation::_isEquivalentTo(): make it work with missing parametersEven Rouault
2018-12-13improve isEquivalentTo() when comparing Helmert transformationsEven Rouault
2018-12-11API: add setters for Laborde Oblique Mercator, and add mapping to WKT1Even Rouault
2018-12-06Coordinate operation search: add a authority_to_authority_preference table ↵Even Rouault
to restrict and prioritize searches
2018-12-01Fix PROJ_GRID_AVAILABILITY_IGNOREDEven Rouault
2018-12-01importFromWKT: deal with uncommon formulation of EPSG:3857Even Rouault
2018-11-29Preserve EPSG code when importFromWKT WKT1_GDAL of EPSG:3857Even Rouault
2018-11-29cs2cs: upgrade to use proj_create_crs_to_crs()Even Rouault
2018-11-22Fix transformation between geographic CRS that differ by axis order and unitsEven Rouault
2018-11-19Assorted set of fixes for PROJString to ISO19111 model:Even Rouault
- createFromPROJString(): take into account axisswap step for Krovak and Transverse Mercator (South Orientated) - Geocentric export to PROJ4: use datum when possible, and add explicit units=m - ESRI WKT parser: make it case insensitive to parameter and projection names, and more tolerant about possible parameter name aliases - import from WKT1 for Polar_Stereographic: don't be case sensitive - importFromPROJString: allow pm to override datum - Equidistant cylindrical: add support for non-standard latitude of natural origin, used in a GDAL test case - tmerc export to PROJString: use 'k' instead of 'k_0' - pj_ellps: use official value from EPSG for reverse flattening of Airy ellipsoid - GDAL compatibility: add support for importing odd formulations of Mercator as WKT1, but rejecting them when exporting to PROJ - Add export of 'Geostationary Satellite (Sweep X)' to WKT1_GDAL via EXTENSION.PROJ4 node - importFromPROJString: add support for +f - WKT1 / PROJ4: add support for EXTENSION.PROJ4 nodes and +wktext - exportToWKT: change way we deal with AXIS by default for WKT1_GDAL - Improve etmerc handling - Fix WKT import of peg_point_heading for Spherical_Cross_Track_Height - International Map of the World Polyconic: change parameter mapping - exportToPROJ: add alpha parameter - Hotine_Oblique_Mercator_Two_Point_Natural_Origin: GDAL_WKT1 related fix - GDAL compatibility improvements in import from PROJ4 / WKT1 for polar stereographic - Add support for +towgs84 when importing a +proj=geocent - import from WKT1: add support for an odd Mercator_1SP formulation handled by GDAL - export to proj4 strings: add +units=m to projected CRS for better GDAL compatibility - export to proj4 strings: add +no_defs to CRS for better GDAL compatibility
2018-11-14Implement RFC 2: Initial integration of "GDAL SRS barn" workEven Rouault
This work mostly consists of: - a C++ implementation of the ISO-19111:2018 / OGC Topic 2 "Referencing by coordinates" classes to represent Datums, Coordinate systems, CRSs (Coordinate Reference Systems) and Coordinate Operations. - methods to convert between this C++ modeling and WKT1, WKT2 and PROJ string representations of those objects - management and query of a SQLite3 database of CRS and Coordinate Operation definition - a C API binding part of those capabilities This is all-in-one squashed commit of the work of https://github.com/OSGeo/proj.4/pull/1040
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-28 12:26:13 +0000