arcgis 10 Con使用
# Name: Con_Ex_02.py
# Description: Performs a conditional if/else evaluation
# on each cell of an input raster.
# Requirements: Spatial Analyst Extension
# Author: ESRI
# Import system modules
import arcpy
from arcpy import env
from arcpy.sa import *
# Set environment settings
env.workspace = "F:/temp/data/9/dem3d/"
# Set local variables
inRaster = "tingrid"
inTrueRaster = "1"
inFalseConstant = 0
whereClause = "VALUE >= 2000"
# Check out the ArcGIS Spatial Analyst extension license
arcpy.CheckOutExtension("Spatial")
# Execute Con
outCon = Con(inRaster, inTrueRaster, inFalseConstant, whereClause)
# Save the output
outCon.save("F:/temp/data/9/dem3d/yl.img")