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| author | Even Rouault <even.rouault@spatialys.com> | 2021-10-05 19:20:32 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2021-10-05 19:20:32 +0200 |
| commit | 6b58adb4b7396b9c2aff2fa26aae2340d5a62d21 (patch) | |
| tree | 49cf819dfe3128c9b217a3c222256b6577208a30 /docs/source | |
| parent | 44771f483249c872ad2959c8092450a06c1dd001 (diff) | |
| parent | 47b9629c56bd97022c1a7161cedc32b97b360957 (diff) | |
| download | PROJ-6b58adb4b7396b9c2aff2fa26aae2340d5a62d21.tar.gz PROJ-6b58adb4b7396b9c2aff2fa26aae2340d5a62d21.zip | |
Merge pull request #2868 from rouault/proj_factors_with_projected_crs
proj_factors(): accept P to be a projected CRS (fixes #2854)
Diffstat (limited to 'docs/source')
| -rw-r--r-- | docs/source/development/reference/functions.rst | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/docs/source/development/reference/functions.rst b/docs/source/development/reference/functions.rst index 10bb07d0..bf5bb94b 100644 --- a/docs/source/development/reference/functions.rst +++ b/docs/source/development/reference/functions.rst @@ -756,6 +756,15 @@ Various distortion and meridian convergence. Depending on the underlying projection values will be calculated either numerically (default) or analytically. + Starting with PROJ 8.2, the P object can be a projected CRS, for example + instantiated from a EPSG CRS code. The factors computed will be those of the + map projection implied by the transformation from the base geographic CRS of + the projected CRS to the projected CRS. + + The input geodetic coordinate lp should be such that lp.lam is the longitude + in radian, and lp.phi the latitude in radian (thus independently of the + definition of the base CRS, if P is a projected CRS). + The function also calculates the partial derivatives of the given coordinate. |