PROJ
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OSGeo
PROJ - Cartographic Projections and Coordinate Transformations Library
Hello. I am setting up a transformation from EPSG 9306 to EPSG 4326. The best transformation uses a grid `HS2TN15_NTv2.gsb`. Since this grid is proprietary, it's not available via the...
In QGIS 3.26.0 version, , in list of Coordinate Reference Systems (CRS), CRS with code EPSG 6316 doesn't cover area of North Macedonia. With this, North Macedonian CRS based on...
According to *Snyder/Voxland, An Album of Map Projections, p. 234*, the sign in https://github.com/OSGeo/proj.4/blob/master/src/PJ_nocol.c#L43 should take "the opposite sign of φ times the sign of b" (`tb` in your code)....
#### Problem description When I build and install PROJ (*with CMake*), its `INSTALLATION-PATH/lib/cmake/proj/proj-targets.cmake` gets absolute paths for the dependencies: ``` cmake #... set_target_properties(PROJ::proj PROPERTIES INTERFACE_COMPILE_DEFINITIONS "PROJ_DLL=" INTERFACE_INCLUDE_DIRECTORIES "${_IMPORT_PREFIX}/include" INTERFACE_LINK_LIBRARIES "D:/temp/deps/sqlite/lib/SQLite3.lib;\$;D:/temp/deps/tiff/lib/tiff.lib;..."...
I've recently been using the epsg.io website to access some projection information based on a CRS code, they offer a web service where you can make a http request that...
CC @dg0yt At least one user recently raised the issue about PROJ dragging CURL dependency (can't remember where exactly). I see that in GDAL build, dependencies are only added for...
https://github.com/OSGeo/PROJ/pull/3253 has introduced a PROJ_DATA environment variable to replace PROJ_LIB. We should consider removing support for PROJ_LIB when sufficient time has passed for deployment of PROJ versions supporting PROJ_DATA to...
 Also see [A story about the "Spilhaus projection" – a map projection that went viral in fall 2018 and will be supported in the next release...
Something I've had in a corner of my head for some time... We have from the EPSG dataset a number of registered tranformations between a geographic 3D CRS and a...
CC @ccrook Latest EPSG dataset integrated in PROJ has ITRF2020. I see that in our other_transformation_custom.sql we have concatenated operations for NZGD2000 to ITRF97/2000//2005/2008/2014. There's none explicit to ITRF2020, but...