largesymdiff.py

esri公司产品,本代码的主要功能是实现大量数据的叠加问题!

"""********************************************************************************************************************
LargeSymDiff.py

Description: 

Requirements: 

Python and the Python for Windows extention (win32 Extension) to be installed.

Author: ESRI, Redlands

Date: 07/14/2004

Usage: <input_featureclass> <update_featureclass> <output_featureclass> <join_attributes> <cluster_tolerance>
*********************************************************************************************************************"""

try:
    #Import system modules and PartionedOverlayer.py (contains functions to partiondata and overlay)
    import PartitionedOverlay, sys

    #Describe input featureclass to determine the shape type for the output
    PartitionedOverlay.shape_type = "POLYGON"

    #Create the parameter list
    param_list = [sys.argv[1], sys.argv[2], sys.argv[3], sys.argv[4], sys.argv[5]]

    PartitionedOverlay.ScratchWorkspaceExists("symdiff_analysis", param_list)

    #Set the cluster tolerance in the Partition Overlay script for later use
    PartitionedOverlay.SetClustTol("symdiff_analysis", sys.argv[1] + ";" + sys.argv[2], sys.argv[5])

    #Run LargeSymDiff passing in the tool name and parameter list
    PartitionedOverlay.RunLargeOverlay("symdiff_analysis", param_list)

except Exception, ErStr:
    PartitionedOverlay.gp.AddError(str(ErStr))

except:
    PartitionedOverlay.gp.AddError("Failure in LargeSymDiff\n" + str(PartitionedOverlay.gp.GetMessages(2)))