Fix proj_assign_context()/pj_set_ctx() with pipelines and alternative coord operations #1726
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… coord operations Fixes OSGeo/gdal#1989 pj_set_ctx() only changes the context to the main object. It should also recurse down to the steps of the pipeline and the alternative coordinate operations hold in alternativeCoordinateOperations In the GDAL use case with multithreaded reprojection, and objects being transferred between thread, this would cause a failed coordinate transformation to affect an unrelated transformation of another thread...
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@rouault the next version is 6.3.0 so it is strictly not necessary to backport to the 6.2 branch. No harm in doing it, just want to make sure that we are on the same page regarding the release schedule. As for the fix, it seems like the right way to deal with this problem. |
Agreed. Just in case people would pull from the 6.2 branch for such narrow scope fixes |
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…hread which created it (fixes OSGeo#1989). This workarounds a PROJ bug also fixed per OSGeo/PROJ#1726
rouault
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…hread which created it (fixes OSGeo#1989). This workarounds a PROJ bug also fixed per OSGeo/PROJ#1726
rouault
added a commit
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Nov 12, 2019
…hread which created it (fixes #1989). This workarounds a PROJ bug also fixed per OSGeo/PROJ#1726
rouault
added a commit
to OSGeo/gdal
that referenced
this issue
Nov 12, 2019
…hread which created it (fixes #1989). This workarounds a PROJ bug also fixed per OSGeo/PROJ#1726
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Fixes OSGeo/gdal#1989
pj_set_ctx() only changes the context to the main object. It should also
recurse down to the steps of the pipeline and the alternative coordinate
operations hold in alternativeCoordinateOperations
In the GDAL use case with multithreaded reprojection, and objects being transferred
between thread, this would cause a failed coordinate transformation to affect
an unrelated transformation of another thread...