void Werkstuck::LZ(float endPunkt, float Rwz, float Lwz, float Rwz2) // прямое фрезерование по оси Z // endPunkt - конечная точка { Zwz=endPunkt; if (Zwz<H0) { gp_Pnt punkt_zent(Xwz,Ywz,Zwz); gp_Dir wzNormal = gp::DZ(); gp_Ax2 wzAchse(punkt_zent,wzNormal); BRepPrimAPI_MakeCylinder zLZ(wzAchse,Rwz,Lwz); TopoDS_Shape sLZ=zLZ.Shape(); if (Rwz2>0) { BRepFilletAPI_MakeFillet mkFillet(sLZ); TopExp_Explorer aEdgeExplorer(sLZ , TopAbs_EDGE); while(aEdgeExplorer.More()) { TopoDS_Edge aEdge = TopoDS::Edge(aEdgeExplorer.Current()); mkFillet.Add(Rwz2 , aEdge); aEdgeExplorer.Next(); } sLZ = mkFillet.Shape(); } WS = BRepAlgo_Cut(WS,sLZ); } }
void Werkstuck::LY(float endPunkt, float Rwz, float Lwz, float Rwz2) // прямое фрезерование по оси Х // endPunkt - конечная точка { if (Zwz<H0) { gp_Pnt punkt1(Xwz-Rwz,Ywz,Zwz); gp_Pnt punkt2(Xwz+Rwz,Ywz,Zwz); gp_Pnt punkt3(Xwz+Rwz,endPunkt,Zwz); gp_Pnt punkt4(Xwz,endPunkt,Zwz); if (endPunkt>=Ywz) punkt4.SetY(endPunkt+Rwz); else punkt4.SetY(endPunkt-Rwz); gp_Pnt punkt5(Xwz-Rwz,endPunkt,Zwz); Handle(Geom_TrimmedCurve) aSeg1 = GC_MakeSegment(punkt1 , punkt2); Handle(Geom_TrimmedCurve) aSeg2 = GC_MakeSegment(punkt2 , punkt3); Handle(Geom_TrimmedCurve) aSeg3 = GC_MakeArcOfCircle(punkt3,punkt4 ,punkt5); Handle(Geom_TrimmedCurve) aSeg4 = GC_MakeSegment(punkt5 , punkt1); TopoDS_Edge aEdge1 = BRepBuilderAPI_MakeEdge(aSeg1); TopoDS_Edge aEdge2 = BRepBuilderAPI_MakeEdge(aSeg2); TopoDS_Edge aEdge3 = BRepBuilderAPI_MakeEdge(aSeg3); TopoDS_Edge aEdge4 = BRepBuilderAPI_MakeEdge(aSeg4); TopoDS_Wire Basis = BRepBuilderAPI_MakeWire(aEdge1 , aEdge2 , aEdge3, aEdge4); TopoDS_Face FlacheBasis = BRepBuilderAPI_MakeFace(Basis); if (firstRun) { fBasis = FlacheBasis; firstRun = false; } else { fBasis = BRepAlgo_Fuse(fBasis, FlacheBasis); gp_Vec PrismVec(0 , 0 , Lwz); TopoDS_Shape sLY = BRepPrimAPI_MakePrism(fBasis , PrismVec); if (Rwz2>0) { BRepFilletAPI_MakeFillet mkFillet(sLY); TopExp_Explorer aEdgeExplorer(sLY , TopAbs_EDGE); while(aEdgeExplorer.More()) { TopoDS_Edge aEdge = TopoDS::Edge(aEdgeExplorer.Current()); mkFillet.Add(Rwz2 , aEdge); aEdgeExplorer.Next(); } sLY = mkFillet.Shape(); } WS = BRepAlgo_Cut(WS,sLY); firstRun = true; } /*gp_Vec PrismVec(0 , 0 , Lwz); TopoDS_Shape sLY = BRepPrimAPI_MakePrism(FlacheBasis , PrismVec); if (Rwz2>0) { BRepFilletAPI_MakeFillet mkFillet(sLY); TopExp_Explorer aEdgeExplorer(sLY , TopAbs_EDGE); while(aEdgeExplorer.More()){ TopoDS_Edge aEdge = TopoDS::Edge(aEdgeExplorer.Current()); mkFillet.Add(Rwz2 , aEdge); aEdgeExplorer.Next(); } sLY = mkFillet.Shape(); } WS = BRepAlgo_Cut(WS,sLY);*/ } Ywz=endPunkt; }
TopoDS_Shape OCCPartFactory::makeBottle( const Standard_Real width, const Standard_Real height, const Standard_Real depth) { //Profile : Define Support Points gp_Pnt aPnt1(-width / 2. , 0 , 0); gp_Pnt aPnt2(-width / 2. , -depth / 4. , 0); gp_Pnt aPnt3(0 , -depth / 2. , 0); gp_Pnt aPnt4(width / 2. , -depth / 4. , 0); gp_Pnt aPnt5(width / 2. , 0 , 0); //Profile : Define the Geometry Handle(Geom_TrimmedCurve) aArcOfCircle = GC_MakeArcOfCircle(aPnt2,aPnt3 ,aPnt4); Handle(Geom_TrimmedCurve) aSegment1 = GC_MakeSegment(aPnt1 , aPnt2); Handle(Geom_TrimmedCurve) aSegment2 = GC_MakeSegment(aPnt4 , aPnt5); //Profile : Define the Topology TopoDS_Edge aEdge1 = BRepBuilderAPI_MakeEdge(aSegment1); TopoDS_Edge aEdge2 = BRepBuilderAPI_MakeEdge(aArcOfCircle); TopoDS_Edge aEdge3 = BRepBuilderAPI_MakeEdge(aSegment2); TopoDS_Wire aWire = BRepBuilderAPI_MakeWire(aEdge1 , aEdge2 , aEdge3); //Complete Profile gp_Ax1 xAxis = gp::OX(); gp_Trsf aTrsf; aTrsf.SetMirror(xAxis); BRepBuilderAPI_Transform aBRepTrsf(aWire , aTrsf); TopoDS_Shape aMirroredShape = aBRepTrsf.Shape(); TopoDS_Wire aMirroredWire = TopoDS::Wire(aMirroredShape); BRepBuilderAPI_MakeWire mkWire; mkWire.Add(aWire); mkWire.Add(aMirroredWire); TopoDS_Wire myWireProfile = mkWire.Wire(); //Body : Prism the Profile TopoDS_Face myFaceProfile = BRepBuilderAPI_MakeFace(myWireProfile); gp_Vec aPrismVec(0 , 0 , height); TopoDS_Shape myBody = BRepPrimAPI_MakePrism(myFaceProfile , aPrismVec); //Body : Apply Fillets BRepFilletAPI_MakeFillet mkFillet(myBody); TopExp_Explorer aEdgeExplorer(myBody , TopAbs_EDGE); while (aEdgeExplorer.More()) { TopoDS_Edge aEdge = TopoDS::Edge(aEdgeExplorer.Current()); //Add edge to fillet algorithm mkFillet.Add(width / 12. , aEdge); aEdgeExplorer.Next(); } myBody = mkFillet.Shape(); //Body : Add the Neck gp_Pnt neckLocation(0 , 0 , height); gp_Dir neckNormal = gp::DZ(); gp_Ax2 neckAx2(neckLocation , neckNormal); Standard_Real myNeckRadius = width / 4.; Standard_Real myNeckHeight = height / 10; BRepPrimAPI_MakeCylinder MKCylinder(neckAx2 , myNeckRadius , myNeckHeight); TopoDS_Shape myNeck = MKCylinder.Shape(); myBody = BRepAlgoAPI_Fuse(myBody , myNeck); //Body : Create a Hollowed Solid TopoDS_Face faceToRemove; Standard_Real zMax = -1; for (TopExp_Explorer aFaceExplorer(myBody , TopAbs_FACE) ; aFaceExplorer.More() ; aFaceExplorer.Next()) { TopoDS_Face aFace = TopoDS::Face(aFaceExplorer.Current()); //Check if <aFace> is the top face of the bottle's neck Handle(Geom_Surface) aSurface = BRep_Tool::Surface(aFace); if (aSurface->DynamicType() == STANDARD_TYPE(Geom_Plane)) { Handle(Geom_Plane) aPlane = Handle(Geom_Plane)::DownCast(aSurface); gp_Pnt aPnt = aPlane->Location(); Standard_Real aZ = aPnt.Z(); if (aZ > zMax) { zMax = aZ; faceToRemove = aFace; } } } TopTools_ListOfShape facesToRemove; facesToRemove.Append(faceToRemove); myBody = BRepOffsetAPI_MakeThickSolid(myBody , facesToRemove , -width / 50 , 1.e-3); //return myBody; //Threading : Create Surfaces Handle(Geom_CylindricalSurface) aCyl1 = new Geom_CylindricalSurface(neckAx2 , myNeckRadius * 0.99); Handle(Geom_CylindricalSurface) aCyl2 = new Geom_CylindricalSurface(neckAx2 , myNeckRadius * 1.05); //Threading : Define 2D Curves gp_Pnt2d aPnt(2. * PI , myNeckHeight / 2.); gp_Dir2d aDir(2. * PI , myNeckHeight / 4.); gp_Ax2d aAx2d(aPnt , aDir); Standard_Real aMajor = 2. * PI; Standard_Real aMinor = myNeckHeight / 10; Handle(Geom2d_Ellipse) anEllipse1 = new Geom2d_Ellipse(aAx2d , aMajor , aMinor); Handle(Geom2d_Ellipse) anEllipse2 = new Geom2d_Ellipse(aAx2d , aMajor , aMinor / 4); Handle(Geom2d_TrimmedCurve) aArc1 = new Geom2d_TrimmedCurve(anEllipse1 , 0 , PI); Handle(Geom2d_TrimmedCurve) aArc2 = new Geom2d_TrimmedCurve(anEllipse2 , 0 , PI); gp_Pnt2d anEllipsePnt1 = anEllipse1->Value(0); gp_Pnt2d anEllipsePnt2 = anEllipse1->Value(PI); Handle(Geom2d_TrimmedCurve) aSegment = GCE2d_MakeSegment(anEllipsePnt1 , anEllipsePnt2); //Threading : Build Edges and Wires TopoDS_Edge aEdge1OnSurf1 = BRepBuilderAPI_MakeEdge(aArc1 , aCyl1); TopoDS_Edge aEdge2OnSurf1 = BRepBuilderAPI_MakeEdge(aSegment , aCyl1); TopoDS_Edge aEdge1OnSurf2 = BRepBuilderAPI_MakeEdge(aArc2 , aCyl2); TopoDS_Edge aEdge2OnSurf2 = BRepBuilderAPI_MakeEdge(aSegment , aCyl2); TopoDS_Wire threadingWire1 = BRepBuilderAPI_MakeWire(aEdge1OnSurf1 , aEdge2OnSurf1); TopoDS_Wire threadingWire2 = BRepBuilderAPI_MakeWire(aEdge1OnSurf2 , aEdge2OnSurf2); BRepLib::BuildCurves3d(threadingWire1); BRepLib::BuildCurves3d(threadingWire2); //Create Threading BRepOffsetAPI_ThruSections aTool(Standard_True); aTool.AddWire(threadingWire1); aTool.AddWire(threadingWire2); aTool.CheckCompatibility(Standard_False); TopoDS_Shape myThreading = aTool.Shape(); //Building the resulting compound TopoDS_Compound aRes; BRep_Builder aBuilder; aBuilder.MakeCompound (aRes); aBuilder.Add (aRes, myBody); aBuilder.Add (aRes, myThreading); return aRes; }