the operation was attempted on an empty geometry Arcgis Project异常
处理gis数据，投影变换时出现异常：
the operation was attempted on an empty geometry
解决思路：
- arcgis的repair geometry方法：删除null geometry；
- shapefile的投影设置有误，例如原始投影设置错误；
处理gis数据，投影变换时出现异常：
the operation was attempted on an empty geometry
解决思路：
