Shayan,
make sure to read https://gdal.org/user/multithreading.html . I suspect
you use the same GDAL Dataset or RasterBand object from multiple
threads, which isn't allowed
Even
Le 26/06/2023 à 18:38, Shayan Ghofrany a écrit :
Good afternoon everyone,
I'm new to the mailing list, so if my question is not formatted
correctly please let me know.
I am attempting to polygonize a raster file by first chunking it into
smaller pieces and then using multi-threaded to polygonize those
chunks simultaneously. I often come across Disk I/O errors which makes
me think that what I want to do is not necessarily how GDALPolygonize
should be used. I was wondering if anyone has attempted something
similar and whether there are public examples available that I could
look into.
Thanks for your time,
Shayan Ghofrany
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