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seems available (fixes #3060)
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RUN_NETWORK_DEPENDENT_TESTS settings)
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Implements RFC-6
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deformation models
Fixes #1001
Co-authored-by: Chris Crook <ccrook@linz.govt.nz>
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This commit adds five new projections to PROJ:
adams_hemi: Adams Hemisphere in a Square
adams_wsI: Adams World in a Square I
adams_wsII: Adams World in a Square II
guyou: Guyou
peirce_q: Pierce Quincuncial
The code originates from Gerry Evendens libproject and has been adapted
to work with modern PROJ. To ensure that the modified code works as
intended extensive test data has been created using libproject and
sproj so that no errors occured when porting from libproject to PROJ.
The test data is wrapped in a gie files. All test cases reproduce
results from libproject at the mm level.
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* Deprecate BUILD_LIBPROJ_SHARED, but still use it as an alias for now
* Rename BUILD_LIBPROJ_SHARED_DEFAULT to BUILD_SHARED_LIBS_DEFAULT
* Keep previous defaults (UNIX as shared and Windows as static)
* Remove PROJ_LIBRARY_TYPE, since add_library() uses BUILD_SHARED_LIBS
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This commit is the result of the squashing of rfc4_dev branch in a single
commit. It implements mostly RFC 4 related work.
* Grid handling:
- remove obsolete and presumably unfinished implementation of grid catalog functionality
- all grid functionality is in grids.cpp/.hpp
- vertical and horizontal grid shift: rework to no longer load whole grid into memory
- remove hgrids and vgrids member from PJ structure, and store them in hgridshift/vgridshift/deformation structures
- build systems: add optional libtiff dependency. Must be explicitly disabled if not desired
- add support for horizontal and vertical grids in GeoTIFF, if libtiff is available
- add GenericShiftGridSet and GenericShiftGrid classes, relying on TIFF grids, that can be used for generic purpose grid-based adjustment
- add a +proj=xyzgridshift method to perform geocentric translation by grid. Used for French NTF to RGF93 transformation using gr3df97a.tif grid
- deformation: add support for +grids= for GeoTIFF grids
- horizontal grid shift: fix failures on points slightly outside a subgrid (fixes #209)
* File management:
- add a filemanager.cpp/.hpp to deal with file related work
- test for legacy proj_api.h fileapi
- proj.h: add proj_context_set_fileapi() and proj_context_set_sqlite3_vfs_name() (fixes #866)
- add capability to read resource files from the user writable directory
* Network access:
- build systems: add optional curl dependency
- add a curl-based default implementation for network related functionality
- proj.h: add C API to control network functionality, and optionaly provide network callbacks
- add data/proj.ini with default settings
- add a SQLite3 local cache of downloaded chunks
- add proj_is_download_needed() and proj_download_file()
* Use Win32 Unicode APIs and expect all strings to be UTF-8 (fixes #1765)
For backward compatibility, if PROJ_LIB content is found to be not UTF-8 or
pointing to a non existing directory, then an attempt at interpretating it
in the ANSI page encoding is done.
proj_context_set_search_paths() now assumes strings to be in UTF-8, and
functions returning paths will also return values in UTF-8.
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builds only (CMake integration to be done)
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and add catch2 framework
Hardened compilation flags come from GDAL' configure.ac and are
'combat proven'
Dummy test added just to demonstrate catch2 based tests work.
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Following PR #806 which removed various grids from nad/, we now have
to download the BETA2007 grid before that DHDN_ETRS89 test can pass
successfully.
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The GIGS tests that are known to work are added to the CMake test
setup. The GIGS gie files have been auto-translated from the
existing json-files and some corrections to tolerances have been
necessary since gie uses different norms than GIGS specify. The GIGS
tolerances are specified as the infinity norm of angular coordinates,
whereas gie uses the actual distances between calculated and expected
coordinates (using geodesics). In a few tests +towgs84 is overriden
from the EPSG inits to avoid creeping numerical inaccuracy in
roundtrips.
Co-authored-by: Thomas Knudsen <thokn@sdfe.dk>
Co-authored-by: Kristian Evers <kristianevers@gmail.com>
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