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A tool in some GIS software programs for performing algebraic operations on rasters.

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Raster Subtraction with QgsRasterCalculator in PyQGIS

Like Joseph said, there is an error in the first parameter of QgsRasterCalculator. But it must be string, unlike Josephs suggestion. So i tried this: calc=QgsRasterCalculator ('%s - %s'%(target.ref, …
Andreas Müller's user avatar