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===============================================================================
Test the 4D API handling of cs2cs style transformation options.
These tests are mostly based on the same material as those in
more_builtins.gie, since we are testing the same kinds of things,
but provided through a different interface.
===============================================================================
<gie>
-------------------------------------------------------------------------------
Test the handling of the +towgs84 parameter.
-------------------------------------------------------------------------------
(additional tests of the towgs84 handling can be found in DHDN_ETRS89.gie)
-------------------------------------------------------------------------------
-------------------------------------------------------------------------------
This example is from Lotti Jivall: "Simplified transformations from
ITRF2008/IGS08 to ETRS89 for maritime applications" (see also more_builtins.gie)
-------------------------------------------------------------------------------
operation proj=geocent
towgs84 = 0.676780, 0.654950, -0.528270,
-0.022742, 0.012667, 0.022704,
-0.01070
-------------------------------------------------------------------------------
tolerance 1 um
direction inverse
accept 3565285.00000000 855949.00000000 5201383.00000000
expect 3565285.41342351 855948.67986759 5201382.72939791
-------------------------------------------------------------------------------
-------------------------------------------------------------------------------
This example is a random point, transformed from ED50 to ETRS89 using KMStrans2.
-------------------------------------------------------------------------------
operation proj=latlong ellps=intl
towgs84 = -081.07030, -089.36030, -115.75260,
000.48488, 000.02436, 000.41321, -0.540645
-------------------------------------------------------------------------------
tolerance 25 mm
accept 16.82 55.17 61.0
expect 16.8210462130 55.1705688946 29.0317
-------------------------------------------------------------------------------
-------------------------------------------------------------------------------
operation proj=latlong nadgrids=nzgd2kgrid0005.gsb ellps=GRS80
-------------------------------------------------------------------------------
This functionality is also tested in DHDN_ETRS89.gie
-------------------------------------------------------------------------------
tolerance 1 mm
ignore pjd_err_failed_to_load_grid
accept 173 -45
expect 172.999892181021551 -45.001620431954613
direction inverse
accept 172.999892181021551 -45.001620431954613
expect 173 -45
-------------------------------------------------------------------------------
-------------------------------------------------------------------------------
operation proj=latlong geoidgrids=egm96_15.gtx ellps=GRS80
-------------------------------------------------------------------------------
tolerance 15 cm # lax tolerance due to widespread bad egm96 file
ignore pjd_err_failed_to_load_grid
accept 12.5 55.5 0
expect 12.5 55.5 -36.0213
direction inverse
accept 12.5 55.5 -36.0213
expect 12.5 55.5 0
-------------------------------------------------------------------------------
operation proj=merc geoidgrids=egm96_15.gtx ellps=GRS80
-------------------------------------------------------------------------------
tolerance 0.1 mm
ignore pjd_err_failed_to_load_grid
accept 12.5 55.5 0
expect 1391493.63492 7424275.19462 -36.0213
direction inverse
accept 1391493.63492 7424275.19462 -36.0213
expect 12.5 55.5 0
-------------------------------------------------------------------------------
-------------------------------------------------------------------------------
Same as the two above, but also do axis swapping.
-------------------------------------------------------------------------------
NOTE: A number of the tests below are commented out. The actually do the
right thing, but the gie distance computation is not yet able to cope
with "unusual" axis orders
-------------------------------------------------------------------------------
operation proj=latlong geoidgrids=egm96_15.gtx axis=neu ellps=GRS80
-------------------------------------------------------------------------------
tolerance 15 cm # lax tolerance due to widely distributed, bad egm96 file
ignore pjd_err_failed_to_load_grid
accept 12.5 55.5 0
expect 55.5 12.5 -36.0213
direction inverse
accept 55.5 12.5 -36.0213
expect 12.5 55.5 0
-------------------------------------------------------------------------------
operation proj=latlong geoidgrids=egm96_15.gtx axis=dne ellps=GRS80
-------------------------------------------------------------------------------
tolerance 15 cm # lax tolerance due to widely distributed, bad egm96 file
ignore pjd_err_failed_to_load_grid
# accept 12.5 55.5 0
# expect 36.0213 55.5 12.5
# direction inverse
# accept 36.0213 55.5 12.5
# expect 12.5 55.5 0
-------------------------------------------------------------------------------
operation proj=merc geoidgrids=egm96_15.gtx ellps=GRS80
-------------------------------------------------------------------------------
tolerance 0.1 mm
ignore pjd_err_failed_to_load_grid
accept 12.5 55.5 0
expect 1391493.63492 7424275.19462 -36.0213
direction inverse
accept 1391493.63492 7424275.19462 -36.0213
expect 12.5 55.5 0
-------------------------------------------------------------------------------
-------------------------------------------------------------------------------
Some more complex axis swapping.
-------------------------------------------------------------------------------
operation proj=latlong geoidgrids=egm96_15.gtx axis=nue ellps=GRS80
-------------------------------------------------------------------------------
tolerance 15 cm # lax tolerance due to widely distributed, bad egm96 file
ignore pjd_err_failed_to_load_grid
accept 12.5 55.5 0
expect 55.5 -36.0213 12.5
# direction inverse
# accept 55.5 -36.0213 12.5
# expect 12.5 55.5 0
-------------------------------------------------------------------------------
operation proj=merc geoidgrids=egm96_15.gtx axis=sue ellps=GRS80
-------------------------------------------------------------------------------
tolerance 15 cm
ignore pjd_err_failed_to_load_grid
accept 12.5 55.5 0
expect -7424275.1946 -36.0213 1391493.6349 0.0000
# direction inverse
# accept -7424275.1946 -36.0213 1391493.6349 0.0000
# expect 12.5 55.5 0
-------------------------------------------------------------------------------
-------------------------------------------------------------------------------
A test case from a comment by Github user c0nk
-------------------------------------------------------------------------------
operation proj=somerc
lat_0=46.95240555555556 lon_0=7.439583333333333 k_0=1
x_0=2600000 y_0=1200000 ellps=bessel
towgs84=674.374,15.056,405.346 no_defs
-------------------------------------------------------------------------------
tolerance 20 cm
accept 7.438632495 46.951082877
expect 2600000.0 1200000.0
-------------------------------------------------------------------------------
Same test, but now implemented as a pipeline. This is for testing a nasty bug,
where, at the end of pipeline creation, a false warning about missing ellps was
left behind from the creation of the Helmert step (now repaired in pj_init).
-------------------------------------------------------------------------------
operation proj=pipeline
step proj=cart ellps=WGS84 no_defs
step proj=helmert x=674.37400 y=15.05600 z=405.34600 inv no_defs
step proj=cart ellps=bessel no_defs inv
step proj=somerc lat_0=46.95240555555556 lon_0=7.439583333333333
k_0=1 x_0=2600000 y_0=1200000 ellps=bessel units=m no_defs
-------------------------------------------------------------------------------
tolerance 20 cm
accept 7.438632495 46.951082877
expect 2600000.0 1200000.0
-------------------------------------------------------------------------------
-------------------------------------------------------------------------------
Test that Google's Web Mercator works as intended (see #834 for details).
-------------------------------------------------------------------------------
operation proj=pipeline step init=epsg:26915 inv step init=epsg:3857
-------------------------------------------------------------------------------
tolerance 20 cm
accept 487147.594520173 4934316.46263998
expect -10370728.80 5552839.74
accept 487147.594520173 4934316.46263998 0
expect -10370728.80 5552839.74 0
-------------------------------------------------------------------------------
</gie>
|
