void occQt::testFuse() { gp_Ax2 anAxis; anAxis.SetLocation(gp_Pnt(0.0, 100.0, 0.0)); TopoDS_Shape aTopoBox = BRepPrimAPI_MakeBox(anAxis, 3.0, 4.0, 5.0); TopoDS_Shape aTopoSphere = BRepPrimAPI_MakeSphere(anAxis, 2.5); TopoDS_Shape aFusedShape = BRepAlgoAPI_Fuse(aTopoBox, aTopoSphere); gp_Trsf aTrsf; aTrsf.SetTranslation(gp_Vec(8.0, 0.0, 0.0)); BRepBuilderAPI_Transform aTransform(aFusedShape, aTrsf); Handle_AIS_Shape anAisBox = new AIS_Shape(aTopoBox); Handle_AIS_Shape anAisSphere = new AIS_Shape(aTopoSphere); Handle_AIS_Shape anAisFusedShape = new AIS_Shape(aTransform.Shape()); anAisBox->SetColor(Quantity_NOC_SPRINGGREEN); anAisSphere->SetColor(Quantity_NOC_STEELBLUE); anAisFusedShape->SetColor(Quantity_NOC_ROSYBROWN); mContext->Display(anAisBox); mContext->Display(anAisSphere); mContext->Display(anAisFusedShape); }
static HeeksObj* Fuse(HeeksObj* s1, HeeksObj* s2){ try { TopoDS_Shape sh1, sh2; TopoDS_Shape new_shape; if(wxGetApp().useOldFuse)new_shape = BRepAlgo_Fuse(((CShape*)s1)->Shape(), ((CShape*)s2)->Shape()); else new_shape = BRepAlgoAPI_Fuse(((CShape*)s1)->Shape(), ((CShape*)s2)->Shape()); HeeksObj* new_object = CShape::MakeObject(new_shape, _("Result of Fuse Operation"), SOLID_TYPE_UNKNOWN, ((CShape*)s1)->m_color, ((CShape*)s1)->GetOpacity()); wxGetApp().Add(new_object, NULL); wxGetApp().Remove(s1); wxGetApp().Remove(s2); return new_object; } catch (Standard_Failure) { Handle_Standard_Failure e = Standard_Failure::Caught(); wxMessageBox(wxString(_("Error with fuse operation")) + _T(": ") + Ctt(e->GetMessageString())); return NULL; } }
TopoDS_Shape BRLFile::PerformBoolean(union tree *tp) { TopoDS_Shape left, right, result; if(tp->tr_op==OP_UNION || tp->tr_op==OP_INTERSECT || tp->tr_op==OP_SUBTRACT ) { left=PerformBoolean(tp->tr_b.tb_left); right=PerformBoolean(tp->tr_b.tb_right); } if(verbose&BRL) { switch(tp->tr_op) { case OP_UNION: case OP_INTERSECT: case OP_SUBTRACT: cout<< " Bool " << *tp; break; case OP_DB_LEAF: if(verbose&BRL) cout << " Leaf " << tp->tr_l.tl_name; break; } cout << " remaining " << construction.size() << '\n'; } switch(tp->tr_op) { case OP_UNION: return BRepAlgoAPI_Fuse(left,right); case OP_INTERSECT:return BRepAlgoAPI_Common(left,right); case OP_SUBTRACT: return BRepAlgoAPI_Cut(left,right); case OP_DB_LEAF: result=construction.back(); construction.pop_back(); return result; default: std::cerr << "Invalid boolean operation in " << __FUNCTION__ << '\n'; return result; } }
TopoDS_Shape MakeBottle(const Standard_Real myWidth, const Standard_Real myHeight, const Standard_Real myThickness) { // Profile : Define Support Points gp_Pnt aPnt1(-myWidth / 2., 0, 0); gp_Pnt aPnt2(-myWidth / 2., -myThickness / 4., 0); gp_Pnt aPnt3(0, -myThickness / 2., 0); gp_Pnt aPnt4(myWidth / 2., -myThickness / 4., 0); gp_Pnt aPnt5(myWidth / 2., 0, 0); // Profile : Define the Geometry Handle(Geom_TrimmedCurve) anArcOfCircle = 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 anEdge1 = BRepBuilderAPI_MakeEdge(aSegment1); TopoDS_Edge anEdge2 = BRepBuilderAPI_MakeEdge(anArcOfCircle); TopoDS_Edge anEdge3 = BRepBuilderAPI_MakeEdge(aSegment2); TopoDS_Wire aWire = BRepBuilderAPI_MakeWire(anEdge1, anEdge2, anEdge3); // 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, myHeight); TopoDS_Shape myBody = BRepPrimAPI_MakePrism(myFaceProfile, aPrismVec); // Body : Apply Fillets BRepFilletAPI_MakeFillet mkFillet(myBody); TopExp_Explorer anEdgeExplorer(myBody, TopAbs_EDGE); while(anEdgeExplorer.More()) { TopoDS_Edge anEdge = TopoDS::Edge(anEdgeExplorer.Current()); //Add edge to fillet algorithm mkFillet.Add(myThickness / 12., anEdge); anEdgeExplorer.Next(); } myBody = mkFillet.Shape(); // Body : Add the Neck gp_Pnt neckLocation(0, 0, myHeight); gp_Dir neckAxis = gp::DZ(); gp_Ax2 neckAx2(neckLocation, neckAxis); Standard_Real myNeckRadius = myThickness / 4.; Standard_Real myNeckHeight = myHeight / 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, -myThickness / 50, 1.e-3); // 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. * M_PI, myNeckHeight / 2.); gp_Dir2d aDir(2. * M_PI, myNeckHeight / 4.); gp_Ax2d anAx2d(aPnt, aDir); Standard_Real aMajor = 2. * M_PI; Standard_Real aMinor = myNeckHeight / 10; Handle(Geom2d_Ellipse) anEllipse1 = new Geom2d_Ellipse(anAx2d, aMajor, aMinor); Handle(Geom2d_Ellipse) anEllipse2 = new Geom2d_Ellipse(anAx2d, aMajor, aMinor / 4); Handle(Geom2d_TrimmedCurve) anArc1 = new Geom2d_TrimmedCurve(anEllipse1, 0, M_PI); Handle(Geom2d_TrimmedCurve) anArc2 = new Geom2d_TrimmedCurve(anEllipse2, 0, M_PI); gp_Pnt2d anEllipsePnt1 = anEllipse1->Value(0); gp_Pnt2d anEllipsePnt2 = anEllipse1->Value(M_PI); Handle(Geom2d_TrimmedCurve) aSegment = GCE2d_MakeSegment(anEllipsePnt1, anEllipsePnt2); // Threading : Build Edges and Wires TopoDS_Edge anEdge1OnSurf1 = BRepBuilderAPI_MakeEdge(anArc1, aCyl1); TopoDS_Edge anEdge2OnSurf1 = BRepBuilderAPI_MakeEdge(aSegment, aCyl1); TopoDS_Edge anEdge1OnSurf2 = BRepBuilderAPI_MakeEdge(anArc2, aCyl2); TopoDS_Edge anEdge2OnSurf2 = BRepBuilderAPI_MakeEdge(aSegment, aCyl2); TopoDS_Wire threadingWire1 = BRepBuilderAPI_MakeWire(anEdge1OnSurf1, anEdge2OnSurf1); TopoDS_Wire threadingWire2 = BRepBuilderAPI_MakeWire(anEdge1OnSurf2, anEdge2OnSurf2); 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; }