用python操作arcgis，实现矢量剪裁栅格数据的批量处理，而且用户可以安装wxpython看到操作界面，也可以只复制中间代码直接操作。-Cutting operation in python arcgis, the realization of vector raster data of batch processing, and user can install wxpython see operation interface, direct manipulation can only copy the middle code.