??FME???2D?shape?????????????KML?3D??????????????
1.??2d?KML?????????????????cad???cad???????
2.????????KML?????????????????
3.??????3dForce?KMLpropertySetter??????3dKML???????????????KML?????2d???????
??????????????????????????
????????????????????????cad????????????????
fme????????? https://knowledge.safe.com/articles/18762/basic-3d-kml.html