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Cf thread https://lists.osgeo.org/pipermail/gdal-dev/2022-February/thread.html#55391
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Add build time option to make PROJ_LIB env var tested last (fixes #2399)
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If PROJ is built with the PROJ_LIB_ENV_VAR_TRIED_LAST CMake option /
--enable-proj-lib-env-var-tried-last configure switch, then the
hard-wired path ($prefix/share/proj) will be tried before looking at the
environment PROJ_LIB.
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scripts/fix_typos.sh: fix URLs to dictionaries, and fix typos spotted
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Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
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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
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Using {PROJVERSION} and {PROJDATAVERSION} substitutes the macro for the current
version numbers of PROJ and PROJ-data.
Rephrased a few sections regarding grid packages.
Closes #2072
Co-authored-by: Mike Taves <mwtoews@gmail.com>
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Fixes #1490
This is an extension of the Window-specific logic added recently to
Unix builds. This reuses parts of proposed past commit
https://github.com/OSGeo/PROJ/pull/1517/commits/82a07e51c6e24ddb936d131ababe29f1ac36ef14
(credits to @abellgithub)
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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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and IGNF init-files
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(https://github.com/OSGeo/PROJ/pull/1755) regarding how resource files are looked for
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(without recent Win32 specific addition)
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Update README, install.rst and resource_files.rst
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- Content partly borrowed from @kbevers ' suggestions of
https://github.com/OSGeo/PROJ/issues/1751#issuecomment-558976968
- Remove mention about Swiss grids. Included in the europe package
- Remove section about HARN / HPGN grids. Those have been included
in the north-america package, and there is no longer any point in
mentionning the particularities of how ancient ones had to be
used with PROJ.4
- Remove section about obsolete proj_defs.dat
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Change all occurrences with the command below.
git grep -l http://download.osgeo.org/ | xargs sed -i 's,http://download.osgeo.org/,https://download.osgeo.org/,g'
Fixes: https://github.com/OSGeo/PROJ/issues/1521
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Closes #1435
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Closes #1159
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These are included with proj-datumgrid:
- Australia
- Canada: ntv2_0.gsb
- Germany: BETA2007.gsb
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forbids +transpose (fixes #1091)
As identified in #1091, Helmert implementation in PROJ 5.0 and 5.1 is confusing.
It happens that by default it used the coordinate_frame convention, contrary to
the position_vector convention used traditionaly for +towgs84. The documentation
of Helmert was also wrongly specifying that the default convention was
position_vector.
This commit:
- bans the confusing +transpose parameter
- removes the concept of a default convention, since in practice both are
equally found, and requires +convention as soon as a rotational term parameter
is present.
For translation only, convention is ignored and optional, as having no effect.
- fixes all the identified uses of proj=helmert in code, doc and tests
This is obviously a breaking change:
- users will have to adapt their pipeline expressions
- in particular, init files that would use helmert must be adapted
However, as designed, the break will be explicit, and not silent.
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Removed content sections from a bunch of pages since they clutter up the
PDF output and the same info is available in the sidebar of the webpage.
A few sections has been turned of for the PDF output, most notable the
front page of the webpage. It doesn't really fit in the PDF.
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Added new section on PROJ resource files to the top level of the
documentation. Moved information on init-file from the 'usage'
chapter to the new section. Also moved pages on grids and HTPD to the
new resource files section. Finally links and information on the new
regional datumgrids packages is added.
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