1 #include <BRep_Tool.hxx>
3 #include <BRepAlgoAPI_Fuse.hxx>
5 #include <BRepBuilderAPI_MakeEdge.hxx>
6 #include <BRepBuilderAPI_MakeFace.hxx>
7 #include <BRepBuilderAPI_MakeWire.hxx>
8 #include <BRepBuilderAPI_Transform.hxx>
10 #include <BRepFilletAPI_MakeFillet.hxx>
12 #include <BRepLib.hxx>
14 #include <BRepOffsetAPI_MakeThickSolid.hxx>
15 #include <BRepOffsetAPI_ThruSections.hxx>
17 #include <BRepPrimAPI_MakeCylinder.hxx>
18 #include <BRepPrimAPI_MakePrism.hxx>
20 #include <GC_MakeArcOfCircle.hxx>
21 #include <GC_MakeSegment.hxx>
23 #include <GCE2d_MakeSegment.hxx>
28 #include <gp_Ax2d.hxx>
30 #include <gp_Dir2d.hxx>
32 #include <gp_Pnt2d.hxx>
33 #include <gp_Trsf.hxx>
36 #include <Geom_CylindricalSurface.hxx>
37 #include <Geom_Plane.hxx>
38 #include <Geom_Surface.hxx>
39 #include <Geom_TrimmedCurve.hxx>
41 #include <Geom2d_Ellipse.hxx>
42 #include <Geom2d_TrimmedCurve.hxx>
44 #include <TopExp_Explorer.hxx>
47 #include <TopoDS_Edge.hxx>
48 #include <TopoDS_Face.hxx>
49 #include <TopoDS_Wire.hxx>
50 #include <TopoDS_Shape.hxx>
51 #include <TopoDS_Compound.hxx>
53 #include <TopTools_ListOfShape.hxx>
57 MakeBottle(const Standard_Real myWidth, const Standard_Real myHeight,
58 const Standard_Real myThickness)
60 // Profile : Define Support Points
61 gp_Pnt aPnt1(-myWidth / 2., 0, 0);
62 gp_Pnt aPnt2(-myWidth / 2., -myThickness / 4., 0);
63 gp_Pnt aPnt3(0, -myThickness / 2., 0);
64 gp_Pnt aPnt4(myWidth / 2., -myThickness / 4., 0);
65 gp_Pnt aPnt5(myWidth / 2., 0, 0);
67 // Profile : Define the Geometry
68 Handle(Geom_TrimmedCurve) anArcOfCircle = GC_MakeArcOfCircle(aPnt2,aPnt3,aPnt4);
69 Handle(Geom_TrimmedCurve) aSegment1 = GC_MakeSegment(aPnt1, aPnt2);
70 Handle(Geom_TrimmedCurve) aSegment2 = GC_MakeSegment(aPnt4, aPnt5);
72 // Profile : Define the Topology
73 TopoDS_Edge anEdge1 = BRepBuilderAPI_MakeEdge(aSegment1);
74 TopoDS_Edge anEdge2 = BRepBuilderAPI_MakeEdge(anArcOfCircle);
75 TopoDS_Edge anEdge3 = BRepBuilderAPI_MakeEdge(aSegment2);
76 TopoDS_Wire aWire = BRepBuilderAPI_MakeWire(anEdge1, anEdge2, anEdge3);
79 gp_Ax1 xAxis = gp::OX();
82 aTrsf.SetMirror(xAxis);
83 BRepBuilderAPI_Transform aBRepTrsf(aWire, aTrsf);
84 TopoDS_Shape aMirroredShape = aBRepTrsf.Shape();
85 TopoDS_Wire aMirroredWire = TopoDS::Wire(aMirroredShape);
87 BRepBuilderAPI_MakeWire mkWire;
89 mkWire.Add(aMirroredWire);
90 TopoDS_Wire myWireProfile = mkWire.Wire();
92 // Body : Prism the Profile
93 TopoDS_Face myFaceProfile = BRepBuilderAPI_MakeFace(myWireProfile);
94 gp_Vec aPrismVec(0, 0, myHeight);
95 TopoDS_Shape myBody = BRepPrimAPI_MakePrism(myFaceProfile, aPrismVec);
97 // Body : Apply Fillets
98 BRepFilletAPI_MakeFillet mkFillet(myBody);
99 TopExp_Explorer anEdgeExplorer(myBody, TopAbs_EDGE);
100 while(anEdgeExplorer.More()){
101 TopoDS_Edge anEdge = TopoDS::Edge(anEdgeExplorer.Current());
102 //Add edge to fillet algorithm
103 mkFillet.Add(myThickness / 12., anEdge);
104 anEdgeExplorer.Next();
107 myBody = mkFillet.Shape();
109 // Body : Add the Neck
110 gp_Pnt neckLocation(0, 0, myHeight);
111 gp_Dir neckAxis = gp::DZ();
112 gp_Ax2 neckAx2(neckLocation, neckAxis);
114 Standard_Real myNeckRadius = myThickness / 4.;
115 Standard_Real myNeckHeight = myHeight / 10.;
117 BRepPrimAPI_MakeCylinder MKCylinder(neckAx2, myNeckRadius, myNeckHeight);
118 TopoDS_Shape myNeck = MKCylinder.Shape();
120 myBody = BRepAlgoAPI_Fuse(myBody, myNeck);
122 // Body : Create a Hollowed Solid
123 TopoDS_Face faceToRemove;
124 Standard_Real zMax = -1;
126 for(TopExp_Explorer aFaceExplorer(myBody, TopAbs_FACE); aFaceExplorer.More(); aFaceExplorer.Next()){
127 TopoDS_Face aFace = TopoDS::Face(aFaceExplorer.Current());
128 // Check if <aFace> is the top face of the bottle
\92s neck
129 Handle(Geom_Surface) aSurface = BRep_Tool::Surface(aFace);
130 if(aSurface->DynamicType() == STANDARD_TYPE(Geom_Plane)){
131 Handle(Geom_Plane) aPlane = Handle(Geom_Plane)::DownCast(aSurface);
132 gp_Pnt aPnt = aPlane->Location();
133 Standard_Real aZ = aPnt.Z();
136 faceToRemove = aFace;
141 TopTools_ListOfShape facesToRemove;
142 facesToRemove.Append(faceToRemove);
143 myBody = BRepOffsetAPI_MakeThickSolid(myBody, facesToRemove, -myThickness / 50, 1.e-3);
144 // Threading : Create Surfaces
145 Handle(Geom_CylindricalSurface) aCyl1 = new Geom_CylindricalSurface(neckAx2, myNeckRadius * 0.99);
146 Handle(Geom_CylindricalSurface) aCyl2 = new Geom_CylindricalSurface(neckAx2, myNeckRadius * 1.05);
148 // Threading : Define 2D Curves
149 gp_Pnt2d aPnt(2. * M_PI, myNeckHeight / 2.);
150 gp_Dir2d aDir(2. * M_PI, myNeckHeight / 4.);
151 gp_Ax2d anAx2d(aPnt, aDir);
153 Standard_Real aMajor = 2. * M_PI;
154 Standard_Real aMinor = myNeckHeight / 10;
156 Handle(Geom2d_Ellipse) anEllipse1 = new Geom2d_Ellipse(anAx2d, aMajor, aMinor);
157 Handle(Geom2d_Ellipse) anEllipse2 = new Geom2d_Ellipse(anAx2d, aMajor, aMinor / 4);
158 Handle(Geom2d_TrimmedCurve) anArc1 = new Geom2d_TrimmedCurve(anEllipse1, 0, M_PI);
159 Handle(Geom2d_TrimmedCurve) anArc2 = new Geom2d_TrimmedCurve(anEllipse2, 0, M_PI);
160 gp_Pnt2d anEllipsePnt1 = anEllipse1->Value(0);
161 gp_Pnt2d anEllipsePnt2 = anEllipse1->Value(M_PI);
163 Handle(Geom2d_TrimmedCurve) aSegment = GCE2d_MakeSegment(anEllipsePnt1, anEllipsePnt2);
164 // Threading : Build Edges and Wires
165 TopoDS_Edge anEdge1OnSurf1 = BRepBuilderAPI_MakeEdge(anArc1, aCyl1);
166 TopoDS_Edge anEdge2OnSurf1 = BRepBuilderAPI_MakeEdge(aSegment, aCyl1);
167 TopoDS_Edge anEdge1OnSurf2 = BRepBuilderAPI_MakeEdge(anArc2, aCyl2);
168 TopoDS_Edge anEdge2OnSurf2 = BRepBuilderAPI_MakeEdge(aSegment, aCyl2);
169 TopoDS_Wire threadingWire1 = BRepBuilderAPI_MakeWire(anEdge1OnSurf1, anEdge2OnSurf1);
170 TopoDS_Wire threadingWire2 = BRepBuilderAPI_MakeWire(anEdge1OnSurf2, anEdge2OnSurf2);
171 BRepLib::BuildCurves3d(threadingWire1);
172 BRepLib::BuildCurves3d(threadingWire2);
175 BRepOffsetAPI_ThruSections aTool(Standard_True);
176 aTool.AddWire(threadingWire1);
177 aTool.AddWire(threadingWire2);
178 aTool.CheckCompatibility(Standard_False);
180 TopoDS_Shape myThreading = aTool.Shape();
182 // Building the Resulting Compound
183 TopoDS_Compound aRes;
184 BRep_Builder aBuilder;
185 aBuilder.MakeCompound (aRes);
186 aBuilder.Add (aRes, myBody);
187 aBuilder.Add (aRes, myThreading);