Hmm, that helped a lot. Looks like its tied to our having the Und_min1x1_egm2008_isw=82_WGS84_TideFree file in the PROJ_DATA location. Removing that and the issue goes away.
Mike -- Michael Smith RSGIS Center – ERDC CRREL NH US Army Corps On 2/19/26, 3:07 PM, "Even Rouault" <[email protected] <mailto:[email protected]>> wrote: Mike, this error comes from PROJ when trying to use a grid that would lack this GeoPixelScale GeoTIFF tag. Is your EGM2008 grid OK ? Even Le 19/02/2026 à 20:15, Michael Smith via gdal-dev a écrit : > GDAL 3.12.2 "Chicoutimi", released 2026/02/03 - from Conda-forge (both Linux > and OSX) > > I have a base file (COG with overviews) that when I wrap in a VRT to > reproject, I get an odd error but only on Linux, not on OSX (haven’t tested > on windows): > > Specifically, I see: > > Center ( 42.4860100, 15.2722355) ( 42d29' 9.64"E, 15d16'20.05"N) > Band 1 Block=512x128 Type=Float32, ColorInterp=Gray > NoData Value=-32767 > GDAL: GDALOverviewDataset(raster21058922_EPSG:32638+3855.vrt, > this=0x56307ab73b40) creation. > ERROR 1: PROJ: No GeoPixelScale tag > GDAL: GDALOverviewDataset(raster21058922_EPSG:32638+3855.vrt, > this=0x56307ac1acc0) creation. > ERROR 1: PROJ: No GeoPixelScale tag > GDAL: GDALOverviewDataset(raster21058922_EPSG:32638+3855.vrt, > this=0x56307aeaf410) creation. > ERROR 1: PROJ: No GeoPixelScale tag > GDAL: GDALOverviewDataset(raster21058922_EPSG:32638+3855.vrt, > this=0x56307af40750) creation. > ERROR 1: PROJ: No GeoPixelScale tag > GDAL: GDALOverviewDataset(raster21058922_EPSG:32638+3855.vrt, > this=0x56307afc7300) creation. > ERROR 1: PROJ: No GeoPixelScale tag > Overviews: 5130x4980, 2565x2490, 1283x1245, 641x623, 320x311 > GDAL: GDALClose(raster21058922_EPSG:32638+3855.vrt, this=0x56307a786b70) > GDAL: GDALClose(raster26-21058922_EPSG:32638+3855.vrt, this=0x56307a740e50) > > > The vrt that doesn't have reprojection doesn't get this. The base projection > here is UTM+EGM2008. > > I have not seen this error before. > -- http://www.spatialys.com <http://www.spatialys.com> My software is free, but my time generally not. _______________________________________________ gdal-dev mailing list [email protected] https://lists.osgeo.org/mailman/listinfo/gdal-dev
