[gdal-dev] OGRCoordinateTransformation & MultiThread

2025-03-05 Thread LOPPIN Vincent via gdal-dev
Hi there, In our application, we integrate GDAL (3.8.4 with proj 9.4.0) in order to deals with geographic projections and data loading. To improve loading & processing time we use multithreading. Until now everything was right, but we start dealing with dataset expressed on EPSG:28992 (Amersfoo

Re: [gdal-dev] OGRCoordinateTransformation & MultiThread

2025-03-05 Thread Even Rouault via gdal-dev
Vincent, Should we have a threadlocal based implementation on OGRCoordinateTransformation object ? Yes, one OGRCoordinateTransformation object per thread. See https://gdal.org/en/stable/user/multithreading.html : "Unless otherwise stated, no GDAL public C functions and C++ methods should be a