cityengine怎么打开dxf文件啊

CityEngine imports the following entity types

as shapes: Circle, LwPolyline (must be closed), Polyline (must be either closed or polyface mesh) and Insert.
as graph segments: Line, Arc, Circle, Polyline, LwPolyline and Insert.
是否满足这个要求呢？如果还是不行，可以尝试用别的软件先把dxf转为其他3D模型格式。