I'd like to read from the attribute table of an intermediate raster generated by arcpy.sa.Combine:

combined = arcpy.sa.Combine(['raster1', 'raster2'])
data = [row for row in arcpy.da.SearchCursor(combined, ["VALUE", "COUNT"])]

The above code raises: RuntimeError: 'in_table' is not a table or a featureclass

Is there a way to access the RAT without saving the raster?

  • Try to create raster layer from it. – FelixIP Sep 28 '18 at 19:38

Try setting arcpy.env.workspace = 'in_memory', or the cursor will not know where to find the raster.

It could also be that combined is a raster object which the cursor cannot read. Try "saving" it to in_memory workspace:

data = [row for row in arcpy.da.SearchCursor(r"in_memory\outcombine2", ["VALUE", "COUNT"])]

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