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| author | Even Rouault <even.rouault@spatialys.com> | 2020-09-30 13:37:40 +0200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-09-30 13:37:40 +0200 |
| commit | 1cd25bb01d7a703b9556abdf57035ee0424faa26 (patch) | |
| tree | 0b34f0a8f5517708baa0107d8210c77c00dfecc8 /docs | |
| parent | 48c3a9a225b197d2462c4c03b18088fcc4f68c62 (diff) | |
| parent | 016e8e60747a2def2dfd7ffc7f6ad2e6aa8ba009 (diff) | |
| download | PROJ-1cd25bb01d7a703b9556abdf57035ee0424faa26.tar.gz PROJ-1cd25bb01d7a703b9556abdf57035ee0424faa26.zip | |
Merge pull request #2361 from rouault/ortho_ellipsoidal
Implement ellipsoidal formulation of +proj=ortho (fixes #397)
Diffstat (limited to 'docs')
| -rw-r--r-- | docs/source/operations/projections/ortho.rst | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/docs/source/operations/projections/ortho.rst b/docs/source/operations/projections/ortho.rst index 2e8de9ca..2d0e08a8 100644 --- a/docs/source/operations/projections/ortho.rst +++ b/docs/source/operations/projections/ortho.rst @@ -10,7 +10,7 @@ around a given latitude and longitude. +---------------------+--------------------------------------------------------+ | **Classification** | Azimuthal | +---------------------+--------------------------------------------------------+ -| **Available forms** | Forward and inverse, spherical projection | +| **Available forms** | Forward and inverse, spherical and ellipsoidal | +---------------------+--------------------------------------------------------+ | **Defined area** | Global, although only one hemisphere can be seen at a | | | time | @@ -31,6 +31,12 @@ around a given latitude and longitude. proj-string: ``+proj=ortho`` + +.. note:: Before PROJ 7.2, only the spherical formulation was implemented. If + wanting to replicate PROJ < 7.2 results with newer versions, the + ellipsoid must be forced to a sphere, for example by adding a ``+f=0`` + parameter. + Parameters ################################################################################ @@ -40,6 +46,8 @@ Parameters .. include:: ../options/lat_0.rst +.. include:: ../options/ellps.rst + .. include:: ../options/R.rst .. include:: ../options/x_0.rst |