# Name: Con_Ex_02.py

# Requirements: Spatial Analyst Extension

# Import system modules

import arcpy

from arcpy import env

from arcpy.sa import *

arcpy.CheckOutExtension("Spatial")

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##我勒个擦，因为这个check，折腾了我大半天，真恶心

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# Set environment settings

env.workspace = "H:/"

# Set local variables

a="2015sum.tif"

inRaster = Raster(a)

# Execute Con using a map algebra expression instead of a where clause

outCon = Con(IsNull(inRaster),0,inRaster)

# Save the outputs

outCon.save("H:/t2t.tif")