PROJ.4

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Discuss PROJ.4 Cartographic Projections library originally written by Gerald Evenden then of the USGS.
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Topics (1826)
Replies Last Post Views
[PROJ] Motion: Promote PROJ 8.0.0RC2 and PROJ-data 1.5RC1 to final by Kristian Evers-3
4
by Howard Butler-3
[PROJ] General Geodesy: Lightweight LLA/XYZ Transformation Code (C++) by Dave Knopp
0
by Dave Knopp
[PROJ] PROJ 8.0.0RC2 by Kristian Evers-3
0
by Kristian Evers-3
[PROJ] Question Regarding GPU Acceleration by Rohan Wagle
2
by Even Rouault-2
[PROJ] PROJ 8.0.0RC1 and PROJ-data 1.5RC1 by Kristian Evers-3
5
by jmckenna
[PROJ] PROJ 8 by Roger Bivand
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by Roger Bivand
[PROJ] Tie breakers used when ordering candidate operations by Nyall Dawson
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by PROJ.4 mailing list
[PROJ] Projection type required for proj_lp_dist by Jason Dick
1
by Jason Dick
[PROJ] How to do Helmert transformation with +exact option in QGIS? by PROJ.4 mailing list
9
by PROJ.4 mailing list
[PROJ] computing proj_factors with the C API by Nicolas Bellaiche
1
by Markus Metz-3
[PROJ] Any known issues with PROJ on Apple Silicon? by Corey Farwell
1
by Corey Farwell
[PROJ] How to set target crs in PROJ-data by Javier Jimenez Shaw
1
by PROJ.4 mailing list
[PROJ] Compound ESRI+EPSG by Javier Jimenez Shaw
0
by Javier Jimenez Shaw
[PROJ] Strange (non) 3D transformation - EPSG:4322 to EPSG:4222 by Javier Jimenez Shaw
0
by Javier Jimenez Shaw
[PROJ] ESRI deprecated CRS by Javier Jimenez Shaw
3
by Nicolas Cadieux-2
[PROJ] Website not updating by Kristian Evers-3
2
by PROJ.4 mailing list
[PROJ] PROJ 7.2.1 & PROJ-data 1.4 by PROJ.4 mailing list
2
by Greg Troxel-2
[PROJ] Motion: Promote PROJ 7.2.1RC1 and PROJ-data 1.4RC1 to final by Kristian Evers-3
5
by PROJ.4 mailing list
[PROJ] 7.2.1 RC1 ob_tran changes break existing logic by Roger Bivand
11
by Roger Bivand
[PROJ] WKT1 Vertical Perspective CRS regression by Jonathan Gale
4
by Jonathan Gale
[PROJ] PROJ 7.2.1RC1 and PROJ-data 1.4RC1 by Kristian Evers-3
0
by Kristian Evers-3
[PROJ] NOAA VDatum Tidal Grids and PROJ CDN by PROJ.4 mailing list
18
by PROJ.4 mailing list
[PROJ] extending proj.db with another db file by Javier Jimenez Shaw
1
by Even Rouault-2
[PROJ] Alternate use model on EPSG v10+ datum ensembles by PROJ.4 mailing list
6
by PROJ.4 mailing list
[PROJ] PROJ.4 EOL Versions? by PROJ.4 mailing list
0
by PROJ.4 mailing list
[PROJ] [API C++] Retrieving units from a crs using a PJ object by Nicolas Bellaiche
0
by Nicolas Bellaiche
[PROJ] PROJ source build causing GDAL source build errors by PROJ.4 mailing list
1
by PROJ.4 mailing list
[PROJ] Knowing if geoid undulation is applied in C++ by Javier Jimenez Shaw
1
by Even Rouault-2
[PROJ] How to map pj_latlong_from_proj to PROJ ver 7 API by Pierluigi Guasqui
4
by Even Rouault-2
[PROJ] update on PROJ >=6 adoption status by jmckenna
0
by jmckenna
[PROJ] Why is Web Marcator EPSG:3857 so popular for web maps (vs EPSG:4326)? by Idan Miara
7
by Pierre Abbat
[PROJ] Installing PROJ on a Mac by Christophe Besuchet
6
by Christophe Besuchet
[PROJ] Transformation to rotated pole by Ken Mankoff
2
by Ken Mankoff
[PROJ] Dealing with different versions of PROJ along time by Javier Jimenez Shaw
2
by Greg Troxel-2
[PROJ] Geoidmodel in WKT without grid file by Javier Jimenez Shaw
1
by Even Rouault-2
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