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Add time unit yyyymmdd to unitconvert operation
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Squelch Visual Studio's obnoxious warnings about sprintf being unsafe.
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The initial approach taken in the deformation operation was not
geodetically sound. The deformation model grids were required
to be indexed in lat/long space with the velocities in the grids
being in cartesian space. This is quite confusing and it is not
a normal way of making deformation models. The usual approach is
to keep everything in the east, north, up, or ENU, space. We adopt
that tradition in this commit. The velocities are still applied in
cartesian space which requires that the grid-velocities are
converted from ENU space to cartesian space. As a consequence of
this change the operation is changed so that it only works in full
3D mode. That is, both horizontal and vertical grids need to be
applied.
The inverse operation is changed slightly to accommodate the
now fully 3D transformation. In it's present form it is a
modification to the original algorithm that also includes the
vertical component in the iteration. This is necessary to get a
proper mapping from ENU to cartesian space in the loop. The
vertical component is overwritten with the initial z-correction
at the end of the loop. This approach is not completely accurate
and will introduce errors, especially when doing many roundtrip
calculations, but it seems to be good enough for a few roundtrips.
The PJ_ENU data type is re-introduced to better communicate the
what state the grid corrections are in throughout the code.
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Allow including the new API header in proj.c
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This didn't work before because the elaborate type punning scheme was
deactivated by including proj.h. Now we use the type punning from the
new API header and build our own.
This change is required for #674.
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Helmert improvements
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Also set policy CMP0054 to stop a cmake warning.
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Prefixing with t_ is more consistent with the existing parameters
in PROJ, such as x_0 and friends. t_epoch and t_obs is already used
in PJ_deformation. Now users can expect consistency across
time-varying transformations.
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Update documentation on geodesics
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* replace SVG figure by PNG version,
* rewrite maths using :math:,
* put references in the main reference section,
* reformat references for consistency,
* put references in alphabetical order,
* use USGS URL for Snyder (1987).
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[skip ci]
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Remove the last remains of the internal selftest
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same file (#687)
Fix bad typedef that surfaces when including proj.h and proj_api.h in the same file
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Free formatting of PROJ key=value pairs
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use full error code checking on failure in more_builtins.gie
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* Enable selective debug printout through negative PROJ_DEBUG values
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Add GDA2020 tests, and correct the PJ_helmert bug they revealed
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calculations with something more helpful to the beginning user.
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Decisions regarding the size of certain types are always made at
compile time, hence this is where the assertion should take place.
If the assertions fail, there is now a compiler error.
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* gie support for builtin errcodes, and other improvements
* allow lower case error constants
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NULL. Found by cppcheck
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https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=4404. Credit to OSS Fuzz
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Increase the focus on PJ_COORD as primary datatype: Eliminate use of PJ_TRIPLET etc.
Trim proj.h by removing material that has become unnecessary.
Improve constness
Make proj_factors work in proj.h space, by providing a trimmed down PJ_FACTORS (which even has more meaningful field names)
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Improve error messaging for cct and gie, and do some clean ups in the ellipsoid handling - partially to squash bugs, partially to improve naming consistency which, in turn, improves the readability of the ellipsoid handling code.
Renamed functions:
pj_inherit_ellipsoid_defs has been renamed pj_inherit_ellipsoid_def, while pj_calc_ellps_params has been renamed pj_calc_ellipsoid_params.
The code in get_opt (part of pj_init.c), which handles whether or not an ellipsoid definition should be dragged in from proj_def.dat, has been rewritten. I suspect this was buggy beforehand, and at least the new code is easier to follow (although it may be slightly slower, which is not really a problem as it sits in the setup code, and hence is executed only once).
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Add description for PJD_ERR_INVALID_ARG
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Avoid div-by-zero in rf setup
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Avoid div-by-0 in to_meter init
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