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| author | Even Rouault <even.rouault@spatialys.com> | 2020-09-25 22:53:38 +0200 |
|---|---|---|
| committer | Even Rouault <even.rouault@spatialys.com> | 2020-09-26 11:09:23 +0200 |
| commit | 2e104e092578347de11208e9a3a80a3bf711265d (patch) | |
| tree | 821679ce3db494a531c7727ad4b5db926b005370 /test/gie | |
| parent | 485509f3b3f5133f0bb0db5ef63e932615fa2f2e (diff) | |
| download | PROJ-2e104e092578347de11208e9a3a80a3bf711265d.tar.gz PROJ-2e104e092578347de11208e9a3a80a3bf711265d.zip | |
Implement ellipsoidal formulation of +proj=ortho (fixes #397)
- Map ESRI 'Local' to +proj=ortho when Scale_Factor = 1 and Azimuth = 0
- Map ESRI 'Orthographic' to a PROJ WKT2 'Orthographic (Spherical)'
which maps to +proj=ortho +f=0 to froce spherical evaluation
Diffstat (limited to 'test/gie')
| -rw-r--r-- | test/gie/builtins.gie | 68 |
1 files changed, 67 insertions, 1 deletions
diff --git a/test/gie/builtins.gie b/test/gie/builtins.gie index f755526e..48afc00a 100644 --- a/test/gie/builtins.gie +++ b/test/gie/builtins.gie @@ -4266,7 +4266,7 @@ expect -223374.577355253 -111701.072127637 =============================================================================== # Orthographic -# Azi, Sph. +# Azi, Sph&Ell. =============================================================================== ------------------------------------------------------------------------------- @@ -4421,6 +4421,72 @@ expect failure errno tolerance_condition accept 0.70710678118 0.7071067812 expect 45 0 + +------------------------------------------------------------------------------- +# Test the ellipsoidal formulation + +# Test data from Guidance Note 7 part 2, March 2020, p. 90 +------------------------------------------------------------------------------- +operation +proj=ortho +ellps=WGS84 +lat_0=55 +lon_0=5 +------------------------------------------------------------------------------- +tolerance 1 mm +accept 2.12955 53.80939444444444 +expect -189011.711 -128640.567 +roundtrip 1 + +# Equatorial +operation +proj=ortho +ellps=WGS84 +tolerance 0.1 mm +accept 0 0 +expect 0 0 +roundtrip 1 + +accept 0 89.99 +expect 0 6356752.2167 +roundtrip 1 + +accept 0 -89.99 +expect 0 -6356752.2167 +roundtrip 1 + +# Consistant with WGS84 semi-minor axis +# The inverse transformation doesn't converge due to properties of the projection +accept 0 90 +expect 0 6356752.3142 + +# North pole tests +operation +proj=ortho +ellps=WGS84 +lat_0=90 +tolerance 0.1 mm +accept 0 90 +expect 0 0 +roundtrip 1 + +accept 1 89.999 +expect 1.9493 -111.6770 +roundtrip 1 + +# Consistant with WGS84 semi-major axis +# The inverse transformation doesn't converge due to properties of the projection +accept 0 0 +expect 0 -6378137 + +# South pole tests +operation +proj=ortho +ellps=WGS84 +lat_0=-90 +tolerance 0.1 mm +accept 0 -90 +expect 0 0 +roundtrip 1 + +accept 1 -89.999 +expect 1.9493 111.6770 +roundtrip 1 + +# Consistant with WGS84 semi-major axis +# The inverse transformation doesn't converge due to properties of the projection +accept 0 0 +expect 0 6378137 + + =============================================================================== # Perspective Conic # Conic, Sph |