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Clean up time handling in helmert and deformation
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GTest provides a configuration file, so we can disable the module
mode. If the GTest package cannot be found, this shall be reported
right here. (Note that while we specify a version, we do not require
an EXACT match.)
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GTest::gtest is the imported target supplied by find_package(GTest).
For the internal build of GTest, this target is created as an alias
for now: find_package cannot be used because the interal build does
not get installed, and so a package config file is not available.
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PROJ requires CMake >= 3.5.
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This fixes issues with MinGW when threads are used.
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table, should be considered as known to be sorted first
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The +t_obs parameter was confusing for users since it effectively
overwrote the observation time in input coordinates. To make it more clear
what is the operation is doing, users are now required to directly specify
the time span for which they wish to apply a given deformation. The parameter
+dt has been added for that purpose. The new parameter is mutually
exclusive with +t_epoch. +dt is used when deformation
for a set amount of time is needed and +t_epoch is used (in
conjunction with the observation time of the input coordinate) when
deformation from a specific epoch to the observation time is needed.
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Changed the direction of dt-calculation to follow the same convention as
helmert. Changed from dt = t_c - t_obs to dt = t_obs - t_c, which
effectively reverses the direction of the operation. Existing projstrings
using deformation can simply reverse the direction of the operation to
achieve the same results as before this commit.
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Set CMake variable CXX_STANDARD with C++11 as default
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EPSG Helmert and Molodensky-Badekas methods in the Geographic 2D domain: use the push/pop v_3 operator to preserve the Z component
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Set required C++ standard version with CMake variable
instead of hand-rolled compiler-specific flags.
Allow user to override the default with -DCMAKE_CXX_STANDARD={98,11,14,17,20}
Closes #1118
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the push/pop v_3 operator to preserve the Z component
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from +proj=helmert/molodensky since there are ambiguities
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Address issue #801: set CMake ${PROJ4_LIBRARIES} to PROJ4::proj
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Pipeline coordinate stack (push and pop operations)
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This commit introduces the concept of a pipeline coordinate stack in
which components of coordinates can be saved and loaded from. This
makes it possible to moved values from one step of a pipeline to
another, effectively overwriting parts of the output from a given step.
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Fix testcct and add new cli tests to CMake setup
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* Make tmerc an alias for etmerc
This switches the algorithm used in tmerc to the Poder/Engsager
tmerc algorithm. The original tmerc algorithm of Evenden/Snyder
origin can still be accessed by adding the +approx flag when
initializing a tmerc projection. The +approx flag can also
be used when initializing UTM projections, in which case the
Evenden/Snyder algorithm is used as well.
If a tmerc projection is instantiated on a spherical earth
the Evenden/Snyder algorithm is used as well since the
Poder/Engsager algorithm is only defined on the ellipsoid.
+proj=etmerc can still be instantiated for backwards compatibility
reasons.
Co-authored-by: Kristian Evers <kristianevers@gmail.com>
Co-authored-by: Even Rouault <even.rouault@spatialys.com>
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Completely remove Chebychev remains from codebase
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c6ab83f5742bc5ac6f9cb9a8b2a4f1ea241b6f63 already removed their availability
in user facing application, but the library code remained, and appeared to be
unused by the rest of the library, and not available to library users,
the API being only in proj_internal.h. So remove all remains.
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https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12964 / https://oss-fuzz-build-logs.storage.googleapis.com/log-6c3169d0-803f-4725-9308-ae9d7fe0df58.txt
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Remove data/install.in.
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The files referenced in it (and more) are already installed by listing
them in `pkgdata_DATA` (for autotools) and in the `install` command (for
CMake).
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Add proj_get_crs_info_list_from_database()
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This method is intended to be used typically by GUI that lists all possible CRS.
What is does could be done by previously existing functions, but it is much faster.
It typically runs in less than 0.1s (hot run) versus ~0.5s with the method that
consists in enumerating all codes and instanciating a PJ object for each of them.
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Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=12913. Credit to OSS Fuzz
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Remove all traces of nad2bin and nad2nad
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Improve checks for external deps
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The source material for the default grids used by
PROJ has been moved to the proj-datumgrid repository. For that
reason it is no longer necessary to include the nad2bin program
in the PROJ repository and source distribution. From now on the
nad2bin application will be kept in the proj-datumgrid repo.
Previously the null grid was generated by running nad2bin on the
null.lla file. Since nad2bin is no longer available null.lla has
been replaced by its binary counterpart null. This file will be
distributed and installed alongside PROJ.
Build scripts and documenation has been adjusted so that nad2bin
is not mentioned anywhere. Additionally all references to nad2nad
has been removed as well. nad2nad has not been part of the PROJ
distribution for quite some time so this has been long overdue.
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typo fix
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