[gdal-dev] Performance Issue with VRT Pixel Function and Large Number of Source Rasters

2025-04-13 Thread Abdul Raheem Siddiqui via gdal-dev
Dear GDAL Community, I am encountering a performance issue when using a VRT consisting of a large number of source rasters and built-in C++ pixel function ("max"). I would appreciate any guidance on whether some GDAL config option can improve this, or I am doing something wrong, or this is a poten

Re: [gdal-dev] STAC Geoparquet required fields - Inspecting one feature due to missing metadata items

2025-04-13 Thread Even Rouault via gdal-dev
Michael, file size isn't the issue here, it is more the symptom of the driver having to read one dataset to get on or metadata items it doesn't know, than something it really needs (getting the file size is just a side effect of opening a remote dataset) Looking at the code I presume it must

[gdal-dev] STAC Geoparquet required fields - Inspecting one feature due to missing metadata items

2025-04-13 Thread Michael Smith via gdal-dev
Looking at some stac geoparquet datasets I created from a VRT, I see this in the gdal debug output: GDAL: GDALOpen(/Users/rdcrlmds/Downloads/test1.gti.parquet, this=0x1580079d0) succeeds as Parquet. GTI: Using assets.data.href as location field GTI: Inspecting one feature due to missing metadata