On mercredi 10 juin 2020 08:16:45 CEST Richard wrote: > Hi GDAL team, > > I was hoping someone could shed some light on my error log. When I try to > run “clip raster by mask layer” from the GUI in QGIS I get the following in > the log: > > ERROR 1: The transformation is already "north up" or a transformation > between pixel/line and georeferenced coordinates cannot be computed for > /c1d.tif. There is no affine transformation and no GCPs. Specify > transformation option SRC_METHOD=NO_GEOTRANSFORM to bypass this check. > > The default CRS is set for the input parameters, and the project is set to > no projection as I’m working with non cartesian data. I’m trying to figure > out if this “SRC_METHOD=NO_GEOTRANSFORM” is the answer, but I can’t find > anything about it in the GDAL python API index? I’m thinking that QGIS > simply isn’t explicitly passing the projection on.
With gdalwarp command line, you can pass this option with the -to switch -to SRC_METHOD=NO_GEOTRANSFORM Even -- Spatialys - Geospatial professional services http://www.spatialys.com
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