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0023134: Updating Tutorial sample source code
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@ -54,164 +54,138 @@
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TopoDS_Shape
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MakeBottle(const Standard_Real myWidth , const Standard_Real myHeight ,
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const Standard_Real myThickness)
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MakeBottle(const Standard_Real myWidth, const Standard_Real myHeight,
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const Standard_Real myThickness)
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{
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//Profile : Define Support Points
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gp_Pnt aPnt1(-myWidth / 2. , 0 , 0);
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gp_Pnt aPnt2(-myWidth / 2. , -myThickness / 4. , 0);
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gp_Pnt aPnt3(0 , -myThickness / 2. , 0);
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gp_Pnt aPnt4(myWidth / 2. , -myThickness / 4. , 0);
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gp_Pnt aPnt5(myWidth / 2. , 0 , 0);
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// Profile : Define Support Points
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gp_Pnt aPnt1(-myWidth / 2., 0, 0);
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gp_Pnt aPnt2(-myWidth / 2., -myThickness / 4., 0);
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gp_Pnt aPnt3(0, -myThickness / 2., 0);
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gp_Pnt aPnt4(myWidth / 2., -myThickness / 4., 0);
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gp_Pnt aPnt5(myWidth / 2., 0, 0);
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//Profile : Define the Geometry
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Handle(Geom_TrimmedCurve) aArcOfCircle = GC_MakeArcOfCircle(aPnt2,aPnt3 ,aPnt4);
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Handle(Geom_TrimmedCurve) aSegment1 = GC_MakeSegment(aPnt1 , aPnt2);
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Handle(Geom_TrimmedCurve) aSegment2 = GC_MakeSegment(aPnt4 , aPnt5);
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// Profile : Define the Geometry
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Handle(Geom_TrimmedCurve) anArcOfCircle = GC_MakeArcOfCircle(aPnt2,aPnt3,aPnt4);
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Handle(Geom_TrimmedCurve) aSegment1 = GC_MakeSegment(aPnt1, aPnt2);
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Handle(Geom_TrimmedCurve) aSegment2 = GC_MakeSegment(aPnt4, aPnt5);
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//Profile : Define the Topology
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TopoDS_Edge aEdge1 = BRepBuilderAPI_MakeEdge(aSegment1);
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TopoDS_Edge aEdge2 = BRepBuilderAPI_MakeEdge(aArcOfCircle);
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TopoDS_Edge aEdge3 = BRepBuilderAPI_MakeEdge(aSegment2);
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TopoDS_Wire aWire = BRepBuilderAPI_MakeWire(aEdge1 , aEdge2 , aEdge3);
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// Profile : Define the Topology
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TopoDS_Edge anEdge1 = BRepBuilderAPI_MakeEdge(aSegment1);
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TopoDS_Edge anEdge2 = BRepBuilderAPI_MakeEdge(anArcOfCircle);
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TopoDS_Edge anEdge3 = BRepBuilderAPI_MakeEdge(aSegment2);
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TopoDS_Wire aWire = BRepBuilderAPI_MakeWire(anEdge1, anEdge2, anEdge3);
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//Complete Profile
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gp_Ax1 xAxis = gp::OX();
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gp_Trsf aTrsf;
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// Complete Profile
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gp_Ax1 xAxis = gp::OX();
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gp_Trsf aTrsf;
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aTrsf.SetMirror(xAxis);
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BRepBuilderAPI_Transform aBRepTrsf(aWire, aTrsf);
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TopoDS_Shape aMirroredShape = aBRepTrsf.Shape();
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TopoDS_Wire aMirroredWire = TopoDS::Wire(aMirroredShape);
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BRepBuilderAPI_Transform aBRepTrsf(aWire , aTrsf);
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TopoDS_Shape aMirroredShape = aBRepTrsf.Shape();
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TopoDS_Wire aMirroredWire = TopoDS::Wire(aMirroredShape);
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BRepBuilderAPI_MakeWire mkWire;
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BRepBuilderAPI_MakeWire mkWire;
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mkWire.Add(aWire);
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mkWire.Add(aMirroredWire);
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TopoDS_Wire myWireProfile = mkWire.Wire();
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//Body : Prism the Profile
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TopoDS_Face myFaceProfile = BRepBuilderAPI_MakeFace(myWireProfile);
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gp_Vec aPrismVec(0 , 0 , myHeight);
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// Body : Prism the Profile
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TopoDS_Face myFaceProfile = BRepBuilderAPI_MakeFace(myWireProfile);
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gp_Vec aPrismVec(0, 0, myHeight);
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TopoDS_Shape myBody = BRepPrimAPI_MakePrism(myFaceProfile, aPrismVec);
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TopoDS_Shape myBody = BRepPrimAPI_MakePrism(myFaceProfile , aPrismVec);
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// Body : Apply Fillets
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BRepFilletAPI_MakeFillet mkFillet(myBody);
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TopExp_Explorer anEdgeExplorer(myBody, TopAbs_EDGE);
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while(anEdgeExplorer.More()){
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TopoDS_Edge anEdge = TopoDS::Edge(anEdgeExplorer.Current());
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//Add edge to fillet algorithm
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mkFillet.Add(myThickness / 12., anEdge);
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anEdgeExplorer.Next();
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}
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//Body : Apply Fillets
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BRepFilletAPI_MakeFillet mkFillet(myBody);
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TopExp_Explorer aEdgeExplorer(myBody , TopAbs_EDGE);
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myBody = mkFillet.Shape();
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while(aEdgeExplorer.More()){
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TopoDS_Edge aEdge = TopoDS::Edge(aEdgeExplorer.Current());
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// Body : Add the Neck
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gp_Pnt neckLocation(0, 0, myHeight);
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gp_Dir neckAxis = gp::DZ();
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gp_Ax2 neckAx2(neckLocation, neckAxis);
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//Add edge to fillet algorithm
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mkFillet.Add(myThickness / 12. , aEdge);
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Standard_Real myNeckRadius = myThickness / 4.;
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Standard_Real myNeckHeight = myHeight / 10.;
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aEdgeExplorer.Next();
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}
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BRepPrimAPI_MakeCylinder MKCylinder(neckAx2, myNeckRadius, myNeckHeight);
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TopoDS_Shape myNeck = MKCylinder.Shape();
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myBody = mkFillet.Shape();
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myBody = BRepAlgoAPI_Fuse(myBody, myNeck);
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//Body : Add the Neck
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gp_Pnt neckLocation(0 , 0 , myHeight);
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gp_Dir neckNormal = gp::DZ();
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gp_Ax2 neckAx2(neckLocation , neckNormal);
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// Body : Create a Hollowed Solid
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TopoDS_Face faceToRemove;
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Standard_Real zMax = -1;
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Standard_Real myNeckRadius = myThickness / 4.;
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Standard_Real myNeckHeight = myHeight / 10;
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BRepPrimAPI_MakeCylinder MKCylinder(neckAx2 , myNeckRadius , myNeckHeight);
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TopoDS_Shape myNeck = MKCylinder.Shape();
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myBody = BRepAlgoAPI_Fuse(myBody , myNeck);
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//Body : Create a Hollowed Solid
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TopoDS_Face faceToRemove;
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Standard_Real zMax = -1;
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for(TopExp_Explorer aFaceExplorer(myBody , TopAbs_FACE) ; aFaceExplorer.More() ; aFaceExplorer.Next()){
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TopoDS_Face aFace = TopoDS::Face(aFaceExplorer.Current());
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//Check if <aFace> is the top face of the bottle's neck
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Handle(Geom_Surface) aSurface = BRep_Tool::Surface(aFace);
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if(aSurface->DynamicType() == STANDARD_TYPE(Geom_Plane)){
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Handle(Geom_Plane) aPlane = Handle(Geom_Plane)::DownCast(aSurface);
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gp_Pnt aPnt = aPlane->Location();
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Standard_Real aZ = aPnt.Z();
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if(aZ > zMax){
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zMax = aZ;
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for(TopExp_Explorer aFaceExplorer(myBody, TopAbs_FACE); aFaceExplorer.More(); aFaceExplorer.Next()){
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TopoDS_Face aFace = TopoDS::Face(aFaceExplorer.Current());
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// Check if <aFace> is the top face of the bottle’s neck
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Handle(Geom_Surface) aSurface = BRep_Tool::Surface(aFace);
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if(aSurface->DynamicType() == STANDARD_TYPE(Geom_Plane)){
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Handle(Geom_Plane) aPlane = Handle(Geom_Plane)::DownCast(aSurface);
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gp_Pnt aPnt = aPlane->Location();
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Standard_Real aZ = aPnt.Z();
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if(aZ > zMax){
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zMax = aZ;
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faceToRemove = aFace;
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}
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}
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}
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}
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}
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}
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TopTools_ListOfShape facesToRemove;
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facesToRemove.Append(faceToRemove);
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TopTools_ListOfShape facesToRemove;
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facesToRemove.Append(faceToRemove);
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myBody = BRepOffsetAPI_MakeThickSolid(myBody, facesToRemove, -myThickness / 50, 1.e-3);
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// Threading : Create Surfaces
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Handle(Geom_CylindricalSurface) aCyl1 = new Geom_CylindricalSurface(neckAx2, myNeckRadius * 0.99);
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Handle(Geom_CylindricalSurface) aCyl2 = new Geom_CylindricalSurface(neckAx2, myNeckRadius * 1.05);
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myBody = BRepOffsetAPI_MakeThickSolid(myBody , facesToRemove , -myThickness / 50 , 1.e-3);
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// Threading : Define 2D Curves
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gp_Pnt2d aPnt(2. * M_PI, myNeckHeight / 2.);
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gp_Dir2d aDir(2. * M_PI, myNeckHeight / 4.);
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gp_Ax2d anAx2d(aPnt, aDir);
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//return myBody;
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//Threading : Create Surfaces
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Handle(Geom_CylindricalSurface) aCyl1 = new Geom_CylindricalSurface(neckAx2 , myNeckRadius * 0.99);
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Handle(Geom_CylindricalSurface) aCyl2 = new Geom_CylindricalSurface(neckAx2 , myNeckRadius * 1.05);
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//Threading : Define 2D Curves
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gp_Pnt2d aPnt(2. * M_PI , myNeckHeight / 2.);
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gp_Dir2d aDir(2. * M_PI , myNeckHeight / 4.);
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gp_Ax2d aAx2d(aPnt , aDir);
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Standard_Real aMajor = 2. * M_PI;
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Standard_Real aMajor = 2. * M_PI;
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Standard_Real aMinor = myNeckHeight / 10;
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Handle(Geom2d_Ellipse) anEllipse1 = new Geom2d_Ellipse(aAx2d , aMajor , aMinor);
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Handle(Geom2d_Ellipse) anEllipse2 = new Geom2d_Ellipse(aAx2d , aMajor , aMinor / 4);
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Handle(Geom2d_Ellipse) anEllipse1 = new Geom2d_Ellipse(anAx2d, aMajor, aMinor);
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Handle(Geom2d_Ellipse) anEllipse2 = new Geom2d_Ellipse(anAx2d, aMajor, aMinor / 4);
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Handle(Geom2d_TrimmedCurve) anArc1 = new Geom2d_TrimmedCurve(anEllipse1, 0, M_PI);
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Handle(Geom2d_TrimmedCurve) anArc2 = new Geom2d_TrimmedCurve(anEllipse2, 0, M_PI);
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gp_Pnt2d anEllipsePnt1 = anEllipse1->Value(0);
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gp_Pnt2d anEllipsePnt2 = anEllipse1->Value(M_PI);
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Handle(Geom2d_TrimmedCurve) aArc1 = new Geom2d_TrimmedCurve(anEllipse1 , 0 , M_PI);
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Handle(Geom2d_TrimmedCurve) aArc2 = new Geom2d_TrimmedCurve(anEllipse2 , 0 , M_PI);
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Handle(Geom2d_TrimmedCurve) aSegment = GCE2d_MakeSegment(anEllipsePnt1, anEllipsePnt2);
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// Threading : Build Edges and Wires
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TopoDS_Edge anEdge1OnSurf1 = BRepBuilderAPI_MakeEdge(anArc1, aCyl1);
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TopoDS_Edge anEdge2OnSurf1 = BRepBuilderAPI_MakeEdge(aSegment, aCyl1);
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TopoDS_Edge anEdge1OnSurf2 = BRepBuilderAPI_MakeEdge(anArc2, aCyl2);
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TopoDS_Edge anEdge2OnSurf2 = BRepBuilderAPI_MakeEdge(aSegment, aCyl2);
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TopoDS_Wire threadingWire1 = BRepBuilderAPI_MakeWire(anEdge1OnSurf1, anEdge2OnSurf1);
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TopoDS_Wire threadingWire2 = BRepBuilderAPI_MakeWire(anEdge1OnSurf2, anEdge2OnSurf2);
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BRepLib::BuildCurves3d(threadingWire1);
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BRepLib::BuildCurves3d(threadingWire2);
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gp_Pnt2d anEllipsePnt1 = anEllipse1->Value(0);
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gp_Pnt2d anEllipsePnt2 = anEllipse1->Value(M_PI);
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Handle(Geom2d_TrimmedCurve) aSegment = GCE2d_MakeSegment(anEllipsePnt1 , anEllipsePnt2);
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// Create Threading
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BRepOffsetAPI_ThruSections aTool(Standard_True);
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aTool.AddWire(threadingWire1);
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aTool.AddWire(threadingWire2);
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aTool.CheckCompatibility(Standard_False);
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//Threading : Build Edges and Wires
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TopoDS_Edge aEdge1OnSurf1 = BRepBuilderAPI_MakeEdge(aArc1 , aCyl1);
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TopoDS_Edge aEdge2OnSurf1 = BRepBuilderAPI_MakeEdge(aSegment , aCyl1);
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TopoDS_Edge aEdge1OnSurf2 = BRepBuilderAPI_MakeEdge(aArc2 , aCyl2);
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TopoDS_Edge aEdge2OnSurf2 = BRepBuilderAPI_MakeEdge(aSegment , aCyl2);
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TopoDS_Shape myThreading = aTool.Shape();
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TopoDS_Wire threadingWire1 = BRepBuilderAPI_MakeWire(aEdge1OnSurf1 , aEdge2OnSurf1);
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TopoDS_Wire threadingWire2 = BRepBuilderAPI_MakeWire(aEdge1OnSurf2 , aEdge2OnSurf2);
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// Building the Resulting Compound
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TopoDS_Compound aRes;
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BRep_Builder aBuilder;
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aBuilder.MakeCompound (aRes);
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aBuilder.Add (aRes, myBody);
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aBuilder.Add (aRes, myThreading);
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BRepLib::BuildCurves3d(threadingWire1);
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BRepLib::BuildCurves3d(threadingWire2);
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//Create Threading
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BRepOffsetAPI_ThruSections aTool(Standard_True);
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aTool.AddWire(threadingWire1);
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aTool.AddWire(threadingWire2);
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aTool.CheckCompatibility(Standard_False);
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TopoDS_Shape myThreading = aTool.Shape();
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//Building the resulting compound
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TopoDS_Compound aRes;
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BRep_Builder aBuilder;
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aBuilder.MakeCompound (aRes);
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aBuilder.Add (aRes, myBody);
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aBuilder.Add (aRes, myThreading);
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return aRes;
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return aRes;
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}
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