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I'm trying to save a raster after calculation in numpy array. Here is what I wrote: 

rasterSM = arcpy.NumPyArrayToRaster(SM, lowerLeft, cellSize, value_to_nodata=nodata)
rasterSM2 = arcpy.DefineProjection_management(rasterSM, spatial_ref)
rasterSM2.save(SMOutputName)

But the error message says that 'Result' object has no attribute 'save', then out to save a raster from Numpy array?

Aaron ♦
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asked Jan 2, 2016 at 4:46
4
  • What does the variable SMOutputName look like? Commented Jan 2, 2016 at 4:53
  • SMOutputName = "Y:\\MODIS_Sep\\" + "SM" + str(partName)+ ".tif" and the partName is a number. Commented Jan 2, 2016 at 4:54
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    I believe the problem is that you are trying to save a non-raster object rasterSM2. Instead, try rasterSM.save(SMOutputName). Once that is complete then define the projection using arcpy.DefineProjection_management(SMOutputName, spatial_ref) Commented Jan 2, 2016 at 4:56
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    @Aaron Thank you Aaron! It worked! rasterSM = arcpy.NumPyArrayToRaster(SM, lowerLeft, cellSize, value_to_nodata=nodata) rasterSM.save(SMOutputName) arcpy.DefineProjection_management(SMOutputName, spatial_ref) Commented Jan 2, 2016 at 5:01

1 Answer 1

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I believe the problem is that you are trying to save a non-raster object rasterSM2. Instead, try: 

rasterSM.save(SMOutputName)

Once that is complete, then define the projection using: 

arcpy.DefineProjection_management(SMOutputName, spatial_ref)
answered Jan 2, 2016 at 5:03

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