网上书城网站开发方案,老黄代码,新建的网站怎么上首页,网站接任务来做这是用Open CASCADE Technology (OCCT)库来创建一个管道模型的示例。OCCT是一个开源的几何建模库#xff0c;广泛应用于CAD/CAM/CAE和其他几何建模应用中。
在下面的代码中#xff0c;首先创建了一些点#xff0c;并用这些点来构建B样条曲线#xff0c;进而创建边(Edges…这是用Open CASCADE Technology (OCCT)库来创建一个管道模型的示例。OCCT是一个开源的几何建模库广泛应用于CAD/CAM/CAE和其他几何建模应用中。
在下面的代码中首先创建了一些点并用这些点来构建B样条曲线进而创建边(Edges)。然后你将这些边缘添加到线(Wire)中。接着创建了一个圆形作为管道的剖面并将这个剖面用于生成管道。最后使用Viewer类来显示生成的管道模型。
#include TColgp_Array1OfPnt.hxx
#include BRepBuilderAPI_MakeWire.hxx
#include gp_Pnt.hxx
#includeViewer.h
#include GeomAPI_PointsToBSpline.hxx
#include Geom_BsplineCurve.hxx
#include BRepBuilderAPI_MakeEdge.hxx
#include TopoDS_Wire.hxx
#include gp_Ax2.hxx
#include gp_Circ.hxx
#include BRepBuilderAPI_MakeFace.hxx
#include TopoDS_Face.hxx
#include BRepOffsetAPI_MakePipe.hxx
int main(int argc, char* argv[])
{TColgp_Array1OfPnt array TColgp_Array1OfPnt(1, 2);BRepBuilderAPI_MakeWire makeWire BRepBuilderAPI_MakeWire();
gp_Pnt point1 gp_Pnt(0, 0, 0);gp_Pnt point2 gp_Pnt(0, 0, 1);array.SetValue(1, point1);array.SetValue(2, point2);GeomAPI_PointsToBSpline spline GeomAPI_PointsToBSpline(array);TopoDS_Edge edge BRepBuilderAPI_MakeEdge(spline.Curve()).Edge();
makeWire.Add(edge);
point1 gp_Pnt(0, 0, 1);point2 gp_Pnt(0, 1, 2);array.SetValue(1, point1);array.SetValue(2, point2);spline GeomAPI_PointsToBSpline(array);edge BRepBuilderAPI_MakeEdge(spline.Curve()).Edge();
makeWire.Add(edge);
point1 gp_Pnt(0, 1, 2);point2 gp_Pnt(0, 2, 2);array.SetValue(1, point1);array.SetValue(2, point2);spline GeomAPI_PointsToBSpline(array);edge BRepBuilderAPI_MakeEdge(spline.Curve()).Edge();
makeWire.Add(edge);
makeWire.Build();TopoDS_Wire wire makeWire.Wire();
//the bspline profile.Profile mist be a wire / facegp_Pnt point gp_Pnt(0, 0, 0);gp_Dir dir gp_Dir(0, 0, 1);gp_Circ circle gp_Circ(gp_Ax2(point, dir), 0.2);TopoDS_Edge profile_edge BRepBuilderAPI_MakeEdge(circle).Edge();TopoDS_Wire profile_wire BRepBuilderAPI_MakeWire(profile_edge).Wire();TopoDS_Face profile_face BRepBuilderAPI_MakeFace(profile_wire).Face();
//pipeTopoDS_Shape pipe BRepOffsetAPI_MakePipe(wire, profile_face).Shape();Viewer vout(50, 50, 500, 500);vout pipe;vout.StartMessageLoop();return 0;
}
