C++ OpenCascade:从IGES读取修剪曲面
我正在尝试使用OpenCascade从IGES文件中读取修剪曲面。我可以得到曲面,但如何从实体144之类的东西中得到修剪曲线。边界曲线?任何帮助都会很好。我希望得到在被修剪曲面的参数空间中定义修剪曲线的实际几何体C++ OpenCascade:从IGES读取修剪曲面,c++,cad,bspline,nurbs,opencascade,C++,Cad,Bspline,Nurbs,Opencascade,我正在尝试使用OpenCascade从IGES文件中读取修剪曲面。我可以得到曲面,但如何从实体144之类的东西中得到修剪曲线。边界曲线?任何帮助都会很好。我希望得到在被修剪曲面的参数空间中定义修剪曲线的实际几何体 IGESControl_Reader reader; IFSelect_ReturnStatus stat = reader.ReadFile("144-000.igs"); Handle(TColStd_HSequenceOfTransient) facesList = rea
IGESControl_Reader reader;
IFSelect_ReturnStatus stat = reader.ReadFile("144-000.igs");
Handle(TColStd_HSequenceOfTransient) facesList = reader.GiveList("iges-faces");
reader.TransferRoots();
Standard_Integer nbs = reader.NbShapes();
cout << nbs << endl;
for (int i = 1; i <= nbs; i++) {
TopoDS_Shape shape = reader.Shape(i);
TopoDS_Face& face = TopoDS::Face(shape);
Handle(Geom_Surface) surf = BRep_Tool::Surface(face);
Handle(Geom_BSplineSurface) bsplineSurf = GeomConvert::SurfaceToBSplineSurface(surf);
cout << bsplineSurf->UDegree() << " " << bsplineSurf->VDegree() << endl;
}
IGESControl\u读卡器;
如果选择返回状态stat=reader.ReadFile(“144-000.igs”);
Handle(tcolsdhsequenceoftransient)facesList=reader.GiveList(“iges faces”);
reader.transferroot();
标准_整数nbs=reader.NbShapes();
您是否尝试过使用TopExp_Explorer来探索形状并获取导线/边,然后从中获取曲线