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| author | Even Rouault <even.rouault@spatialys.com> | 2020-04-14 17:17:55 +0200 |
|---|---|---|
| committer | Even Rouault <even.rouault@spatialys.com> | 2020-04-15 01:07:18 +0200 |
| commit | 964569728722e9e91f152410a4747a0ba078bd84 (patch) | |
| tree | 54369133947916e20bbe9004eb16857f3f1b72cd /test/gie/builtins.gie | |
| parent | 5b017a8a78acc1f8b086ae339ecec257ee9d9684 (diff) | |
| download | PROJ-964569728722e9e91f152410a4747a0ba078bd84.tar.gz PROJ-964569728722e9e91f152410a4747a0ba078bd84.zip | |
tmerc/utm: add a +algo=auto/evenden_snyder/poder_engsager parameter
The default remains +alg=poder_engsager.
This default value can be changed in proj.ini
+algo=auto will use Evenden Synder implementation if the error in
doing so remains below 0.1 mm on Earth-sized ellipsoid
Diffstat (limited to 'test/gie/builtins.gie')
| -rw-r--r-- | test/gie/builtins.gie | 97 |
1 files changed, 96 insertions, 1 deletions
diff --git a/test/gie/builtins.gie b/test/gie/builtins.gie index 1c5eb3be..272e0655 100644 --- a/test/gie/builtins.gie +++ b/test/gie/builtins.gie @@ -5365,7 +5365,6 @@ expect -0.001790493 0.000895247 accept -200 -100 expect -0.001790493 -0.000895247 - ------------------------------------------------------------------------------- operation +proj=tmerc +R=1 ------------------------------------------------------------------------------- @@ -5373,6 +5372,102 @@ direction inverse accept -1e200 0 expect failure errno invalid_x_or_y + +=============================================================================== +Test Transverse Mercator +algo +=============================================================================== + +------------------------------------------------------------------------------- +operation +proj=tmerc +ellps=GRS80 +algo=auto +# We show that the values are the same as poder_engsager within 0.1 mm +------------------------------------------------------------------------------- +tolerance 0.1 mm + +accept 2.9 0 +expect 322965.3802 0.0000 +roundtrip 1 + +accept 2.9 40 +expect 247660.7575 4433559.6623 +roundtrip 1 + +accept 2.9 85 +expect 28218.2464 9444221.7042 +roundtrip 1 + +accept 6 0 +expect 669149.3483 0.0000 +roundtrip 1 + +accept 6 40 +expect 512526.6344 4446813.3655 +roundtrip 1 + +accept 6 85 +expect 58302.0560 9446554.0371 +roundtrip 1 + +------------------------------------------------------------------------------- +operation +proj=tmerc +ellps=GRS80 +algo=poder_engsager +# Same values as above +------------------------------------------------------------------------------- +tolerance 0.1 mm + +accept 2.9 0 +expect 322965.3802 0.0000 +roundtrip 1 + +accept 2.9 40 +expect 247660.7575 4433559.6623 +roundtrip 1 + +accept 2.9 85 +expect 28218.2464 9444221.7042 +roundtrip 1 + +accept 6 0 +expect 669149.3483 0.0000 +roundtrip 1 + +accept 6 40 +expect 512526.6344 4446813.3655 +roundtrip 1 + +accept 6 85 +expect 58302.0560 9446554.0371 +roundtrip 1 + +------------------------------------------------------------------------------- +operation +proj=tmerc +ellps=GRS80 +algo=evenden_snyder +------------------------------------------------------------------------------- +tolerance 0.1 mm + +accept 2.9 0 +expect 322965.3802 0.0000 +roundtrip 1 + +accept 2.9 40 +expect 247660.7575 4433559.6623 +roundtrip 1 + +accept 2.9 85 +expect 28218.2464 9444221.7042 +roundtrip 1 + +# Small difference with poder_engsager +accept 6 0 +expect 669149.3474 0.0000 +#roundtrip 1 + +# Small difference with poder_engsager +accept 6 40 +expect 512526.6346 4446813.3655 +#roundtrip 1 + +accept 6 85 +expect 58302.0560 9446554.0371 +roundtrip 1 + =============================================================================== Tobler-Mercator Cyl, Sph |