剖面分析：http://support.supermap.com.cn/DataWarehouse/WebDocHelp/iObjectsJava/ProgrammingReference/com/supermap/analyst/spatialanalyst/CalculationTerrain.html#calculateProfile(com.supermap.data.DatasetGrid,%20com.supermap.data.GeoLine)
通视分析：http://support.supermap.com.cn/DataWarehouse/WebDocHelp/iObjectsJava/index.html搜索VisibilityAnalyst
