I am using "arcpy.Contour_3d" and get an error, and review in detail the parameters and apparently all is well I hope you can help methank you very much# -*- coding: utf-8 -*- # --------------------------------------------------------------------------- # test contours.py # Created on: 2012-11-16 14:51:29.00000 # (generated by ArcGIS/ModelBuilder) # Description: # --------------------------------------------------------------------------- # Import arcpy module import arcpy # Check out any necessary licenses arcpy.CheckOutExtension("3D") # Local variables: sde_SDE_time0__3_ = "Database Connections\\Coneccion local SDE.sde\\sde.SDE.time0" time1 = "Database Connections\\Coneccion local SDE.sde\\time1" # Process: Contour arcpy.Contour_3d(sde_SDE_time0__3_, time1, "2", "0", "1")I get: File "C:\Program Files (x86)\ArcGIS\Desktop10.1\arcpy\arcpy\ddd.py", line 3612, in Contour raise eExecuteError: Failed to execute. Parameters are not valid.ERROR 000824: The tool is not licensed.Failed to execute (Contour).