GeogGeodeticDatumGeoKey (Short,1): User-Defined GeogCitationGeoKey (Ascii,86): "GCS Name = GRS 1980(IUGG, 1980)|Datum = unknown|Ellipsoid = GRS80|Primem = Greenwich|" GeographicTypeGeoKey (Short,1): User-Defined GTCitationGeoKey (Ascii,33): "UTM Zone 13, Northern Hemisphere" GTRasterTypeGeoKey (Short,1): RasterPixelIsArea GTModelTypeGeoKey (Short,1): ModelTypeProjected $ listgeo NAD83_CSRS/pactola_dam_c255_lzw_2_georef.tif METHOD["Position Vector transformation (geog2D domain)", SCOPE,ĪBRIDGEDTRANSFORMATION["Transformation to WGS84", PARAMETER["Scale factor at natural origin",0.9996,ĮNSEMBLE["World Geodetic System 1984 ensemble", PARAMETER["Longitude of natural origin",-105, PARAMETER["Latitude of natural origin",0, PROJCRS["UTM Zone 13, Northern Hemisphere", Another theory is that the georeferencer is adding CRS information to the GeoTIFF that it should not. That could also explain why the paletted colormap is recognized in one case and not the other. One of my theories is there is something in the CRS of the "bad" GeoTIFF that is causing CRS parsing problems on import. This exhibits the same problem as I first saw. I then used the QGIS Raster > Georeferencer to calibrate this with using to create. To simulate this path as closely as possible I manipulated using GIMP to strip off the georeference information, converting to indexed colormap and saving as TIFF with LZW compression to.
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