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Sample_Data.zip
Sample data from Roberto Filloramo's "Focal statistics problem values" question
RasterWorkspace: optimize environment for faster arcpy map algebra
Because temporary rasters that must be written to disk in arcpy map algebra are written in Esri grid format to a folder, it is best practice for heavy map algebra to set the workspace and scratchWorkspace environments to the same folder. If the scratch and current are written to the same folder, the operation: raster =…
Implementing merge() in ArcPy map algebra
The merge() function (which we've used for years in GRID, ArcView, and ArcGIS Desktop) simply doesn't exist in ArcPy map algebra. I came up with a Python map algebra implementation (with some nice refinements from a friend on the Spatial Analyst dev team). Give it a spin and let me know if you are successful with it!…

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