在ArcMap -->ToolBox-->TinCreation-->Edit Tin
传入参数1：TIN
传入参数2：FeatureClass
选择好FeatureClass之后，有一个参数是SF_type
SF_type的取值和产生TIN的效果：
| value | result region | effect |
| hardclip | Polygon region | If polygon out cover, out part will also generate Tin |
| hardline | Polygon region Union Tin region | Union region Tin |