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Dataset exist and I am able to get statistics from ArcGIS python window. But it failed as a script with error: ERROR 000865: Input raster: C:\temp\ras does not exist. I have tried following suggestions:
http://help.arcgis.com/en/arcgisdesktop/10.0/help/index.html#//002z0000000r000000
but to no avail.Please suggest how to handle this
import arcpy
stat = arcpy.GetRasterProperties_management(r'C:\temp\ras', "MEAN")
avg = stat.getOutput(0)
print avg
Remove the 'r' in your first argument and try forward slashes instead. It will look like this:
stat = arcpy.GetRasterProperties_management('C:/temp/ras', "MEAN")
The function GetRasterProperties_management takes two arguments. The first being the path of the raster and the second is the property. Read more about the function here.
is "\ras" the folder where the raster is in or is this the raster already? what format is your raster in? you could try with ListRasters first and use the result
arcpy.env.workspace = r"c:\test"
lr = arcpy.ListRasters()
stat = arcpy.GetRasterProperties_management(lr[0], "MEAN") #use the first raster in the list
avg = stat.getOutput(0)
print avg
It still gave the same error even after removing 'r'.
I restarted the system and it worked both with and without 'r'.
I have had similar issues with raster processing. I have noticed that you will have less issues with processing a large number of datasets if you set environment variables arcpy.env.workspace and arcpy.env.extent.
