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冰裂纹：案例演示（下）
课程资料
AreaMassProperties:https://developer.rhino3d.com/api/RhinoCommon/html/M_Rhino_Geometry_AreaMassProperties_Compute_3.htm
Line Structure：https://developer.rhino3d.com/api/RhinoCommon/html/T_Rhino_Geometry_Line.htm
GeometryBase.Transform():https://developer.rhino3d.com/api/RhinoCommon/html/M_Rhino_Geometry_GeometryBase_Transform.htm
Curve.Split():https://developer.rhino3d.com/api/RhinoCommon/html/M_Rhino_Geometry_Curve_Split_4.htm
Intersection.CurveLine():https://developer.rhino3d.com/api/RhinoCommon/html/M_Rhino_Geometry_Intersect_Intersection_CurveLine.htm
Intersection.CurveCurve():https://developer.rhino3d.com/api/RhinoCommon/html/M_Rhino_Geometry_Intersect_Intersection_CurveCurve.htm
Curve.JoinCurves():https://developer.rhino3d.com/api/RhinoCommon/html/Overload_Rhino_Geometry_Curve_JoinCurves.htm