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379 lines
13 KiB
C++
Executable File
379 lines
13 KiB
C++
Executable File
// File: IntCurvesFace_Intersector.cxx
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// Created: Mon Jun 3 10:08:13 1996
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// Author: Laurent BUCHARD
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// <lbr@sherlox.paris1.matra-dtv.fr>
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// Modified by skv - Wed Sep 3 16:14:10 2003 OCC578
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#define OPTIMISATION 1
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#include <IntCurvesFace_Intersector.ixx>
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#include <IntCurveSurface_ThePolyhedronToolOfHInter.hxx>
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#include <Bnd_BoundSortBox.hxx>
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#include <IntCurveSurface_IntersectionPoint.hxx>
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#include <gp_Lin.hxx>
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#include <TopoDS_Face.hxx>
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#include <TopAbs.hxx>
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#include <IntCurveSurface_HInter.hxx>
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#include <BRepAdaptor_HSurface.hxx>
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#include <Geom_Line.hxx>
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#include <gp_Pnt2d.hxx>
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#include <BRepClass_FaceClassifier.hxx>
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#include <GeomAdaptor_Curve.hxx>
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#include <GeomAdaptor_HCurve.hxx>
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#include <BRepAdaptor_HSurface.hxx>
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#include <Adaptor3d_HSurfaceTool.hxx>
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#include <IntCurveSurface_TheHCurveTool.hxx>
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#include <Adaptor3d_HCurve.hxx>
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#include <Bnd_Box.hxx>
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#include <Intf_Tool.hxx>
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#include <IntCurveSurface_ThePolyhedronOfHInter.hxx>
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#include <IntCurveSurface_ThePolygonOfHInter.hxx>
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#include <IntCurveSurface_SequenceOfPnt.hxx>
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GeomAbs_SurfaceType IntCurvesFace_Intersector::SurfaceType() const {
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return(Adaptor3d_HSurfaceTool::GetType(Hsurface));
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}
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//============================================================================
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IntCurvesFace_Intersector::IntCurvesFace_Intersector(const TopoDS_Face& Face,
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const Standard_Real aTol)
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:
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Tol(aTol),done(Standard_False),nbpnt(0),PtrOnPolyhedron(NULL),PtrOnBndBounding(NULL)
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{
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BRepAdaptor_Surface surface;
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face = Face;
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surface.Initialize(Face,Standard_True);
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Hsurface = new BRepAdaptor_HSurface(surface);
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myTopolTool = new BRepTopAdaptor_TopolTool(Hsurface);
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GeomAbs_SurfaceType SurfaceType = Adaptor3d_HSurfaceTool::GetType(Hsurface);
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if( (SurfaceType != GeomAbs_Plane)
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&& (SurfaceType != GeomAbs_Cylinder)
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&& (SurfaceType != GeomAbs_Cone)
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&& (SurfaceType != GeomAbs_Sphere)
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&& (SurfaceType != GeomAbs_Torus)) {
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Standard_Integer nbsu,nbsv;
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Standard_Real U0,V0,U1,V1;
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U0 = Hsurface->FirstUParameter();
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U1 = Hsurface->LastUParameter();
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V0 = Hsurface->FirstVParameter();
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V1 = Hsurface->LastVParameter();
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//-- nbsu = Adaptor3d_HSurfaceTool::NbSamplesU(Hsurface,U0,U1);
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//-- nbsv = Adaptor3d_HSurfaceTool::NbSamplesV(Hsurface,V0,V1);
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nbsu = myTopolTool->NbSamplesU();
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nbsv = myTopolTool->NbSamplesV();
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if(nbsu>40) nbsu = 40;
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if(nbsv>40) nbsv = 40;
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//-- printf("\n IntCurvesFace_Intersector : nbsu=(%3d)->%3d nbsv=(%3d)->%3d",myTopolTool->NbSamplesU(),nbsu,myTopolTool->NbSamplesV(),nbsv);
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PtrOnPolyhedron = (IntCurveSurface_ThePolyhedronOfHInter *) new IntCurveSurface_ThePolyhedronOfHInter(Hsurface,nbsu,nbsv,U0,V0,U1,V1);
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}
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}
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//============================================================================
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void IntCurvesFace_Intersector::InternalCall(const IntCurveSurface_HInter &HICS,
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const Standard_Real parinf,const Standard_Real parsup) {
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if(HICS.IsDone()) {
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for(Standard_Integer index=HICS.NbPoints(); index>=1; index--) {
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const IntCurveSurface_IntersectionPoint& HICSPointindex = HICS.Point(index);
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gp_Pnt2d Puv(HICSPointindex.U(),HICSPointindex.V());
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TopAbs_State currentstate = myTopolTool->Classify(Puv,Tol);
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if(currentstate==TopAbs_IN || currentstate==TopAbs_ON) {
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Standard_Real HICSW = HICSPointindex.W();
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if(HICSW >= parinf && HICSW <= parsup ) {
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Standard_Real U = HICSPointindex.U();
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Standard_Real V = HICSPointindex.V();
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Standard_Real W = HICSW;
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IntCurveSurface_TransitionOnCurve transition = HICSPointindex.Transition();
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gp_Pnt pnt = HICSPointindex.Pnt();
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// state = currentstate;
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// Modified by skv - Wed Sep 3 16:14:10 2003 OCC578 Begin
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Standard_Integer anIntState = (currentstate == TopAbs_IN) ? 0 : 1;
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// Modified by skv - Wed Sep 3 16:14:11 2003 OCC578 End
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if(transition != IntCurveSurface_Tangent && face.Orientation()==TopAbs_REVERSED) {
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if(transition == IntCurveSurface_In)
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transition = IntCurveSurface_Out;
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else
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transition = IntCurveSurface_In;
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}
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//----- Insertion du point
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if(nbpnt==0) {
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IntCurveSurface_IntersectionPoint PPP(pnt,U,V,W,transition);
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SeqPnt.Append(PPP);
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// Modified by skv - Wed Sep 3 16:14:10 2003 OCC578 Begin
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mySeqState.Append(anIntState);
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// Modified by skv - Wed Sep 3 16:14:11 2003 OCC578 End
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}
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else {
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Standard_Integer i = 1;
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Standard_Integer b = nbpnt+1;
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while(i<=nbpnt) {
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const IntCurveSurface_IntersectionPoint& Pnti=SeqPnt.Value(i);
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Standard_Real wi = Pnti.W();
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if(wi >= W) { b=i; i=nbpnt; }
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i++;
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}
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IntCurveSurface_IntersectionPoint PPP(pnt,U,V,W,transition);
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// Modified by skv - Wed Sep 3 16:14:10 2003 OCC578 Begin
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// if(b>nbpnt) { SeqPnt.Append(PPP); }
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// else if(b>0) { SeqPnt.InsertBefore(b,PPP); }
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if(b>nbpnt) {
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SeqPnt.Append(PPP);
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mySeqState.Append(anIntState);
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} else if(b>0) {
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SeqPnt.InsertBefore(b,PPP);
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mySeqState.InsertBefore(b, anIntState);
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}
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// Modified by skv - Wed Sep 3 16:14:11 2003 OCC578 End
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}
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nbpnt++;
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}
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} //-- classifier state is IN or ON
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} //-- Loop on Intersection points.
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} //-- HICS.IsDone()
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}
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//--------------------------------------------------------------------------------
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void IntCurvesFace_Intersector::Perform(const gp_Lin& L,const Standard_Real ParMin,const Standard_Real ParMax) {
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done = Standard_True;
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SeqPnt.Clear();
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// Modified by skv - Wed Sep 3 16:14:10 2003 OCC578 Begin
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mySeqState.Clear();
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// Modified by skv - Wed Sep 3 16:14:11 2003 OCC578 End
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nbpnt = 0;
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IntCurveSurface_HInter HICS;
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Handle(Geom_Line) geomline = new Geom_Line(L);
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GeomAdaptor_Curve LL(geomline);
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//--
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Handle(GeomAdaptor_HCurve) HLL = new GeomAdaptor_HCurve(LL);
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//--
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Standard_Real parinf=ParMin;
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Standard_Real parsup=ParMax;
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if(PtrOnPolyhedron == NULL) {
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HICS.Perform(HLL,Hsurface);
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}
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else {
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Intf_Tool bndTool;
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Bnd_Box boxLine;
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bndTool.LinBox(L,((IntCurveSurface_ThePolyhedronOfHInter *)PtrOnPolyhedron)->Bounding(),boxLine);
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if(bndTool.NbSegments() == 0)
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return;
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for(Standard_Integer nbseg=1; nbseg<= bndTool.NbSegments(); nbseg++) {
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Standard_Real pinf = bndTool.BeginParam(nbseg);
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Standard_Real psup = bndTool.EndParam(nbseg);
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Standard_Real pppp = 0.05*(psup-pinf);
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pinf-=pppp;
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psup+=pppp;
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if((psup - pinf)<1e-10) { pinf-=1e-10; psup+=1e-10; }
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if(nbseg==1) { parinf=pinf; parsup=psup; }
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else {
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if(parinf>pinf) parinf = pinf;
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if(parsup<psup) parsup = psup;
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}
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}
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if(parinf>ParMax) { return; }
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if(parsup<ParMin) { return; }
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if(parinf<ParMin) parinf=ParMin;
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if(parsup>ParMax) parsup=ParMax;
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if(parinf>(parsup-1e-9)) return;
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IntCurveSurface_ThePolygonOfHInter polygon(HLL,
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parinf,
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parsup,
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2);
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#if OPTIMISATION
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if(PtrOnBndBounding==NULL) {
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PtrOnBndBounding = (Bnd_BoundSortBox *) new Bnd_BoundSortBox();
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IntCurveSurface_ThePolyhedronOfHInter *thePolyh=(IntCurveSurface_ThePolyhedronOfHInter *)PtrOnPolyhedron;
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((Bnd_BoundSortBox *)(PtrOnBndBounding))->Initialize(IntCurveSurface_ThePolyhedronToolOfHInter::Bounding(*thePolyh),
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IntCurveSurface_ThePolyhedronToolOfHInter::ComponentsBounding(*thePolyh));
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}
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HICS.Perform(HLL,
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polygon,
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Hsurface,
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*((IntCurveSurface_ThePolyhedronOfHInter *)PtrOnPolyhedron),
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*((Bnd_BoundSortBox *)PtrOnBndBounding));
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#else
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HICS.Perform(HLL,
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polygon,
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Hsurface,
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*((IntCurveSurface_ThePolyhedronOfHInter *)PtrOnPolyhedron));
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#endif
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}
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InternalCall(HICS,parinf,parsup);
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#if 0
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if(HICS.IsDone()) {
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for(Standard_Integer index=HICS.NbPoints(); index>=1; index--) {
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const IntCurveSurface_IntersectionPoint& HICSPointindex = HICS.Point(index);
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gp_Pnt2d Puv(HICSPointindex.U(),HICSPointindex.V());
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TopAbs_State currentstate = myTopolTool->Classify(Puv,Tol);
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if(currentstate==TopAbs_IN || currentstate==TopAbs_ON) {
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Standard_Real HICSW = HICSPointindex.W();
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if(HICSW >= parinf && HICSW <= parsup ) {
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Standard_Real U = HICSPointindex.U();
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Standard_Real V = HICSPointindex.V();
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Standard_Real W = HICSW;
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IntCurveSurface_TransitionOnCurve transition = HICSPointindex.Transition();
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gp_Pnt pnt = HICSPointindex.Pnt();
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// state = currentstate;
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// Modified by skv - Wed Sep 3 16:14:10 2003 OCC578 Begin
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Standard_Integer anIntState = (currentstate == TopAbs_IN) ? 0 : 1;
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// Modified by skv - Wed Sep 3 16:14:11 2003 OCC578 End
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if(face.Orientation()==TopAbs_REVERSED) {
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if(transition == IntCurveSurface_In)
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transition = IntCurveSurface_Out;
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else
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transition = IntCurveSurface_In;
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}
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//----- Insertion du point
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if(nbpnt==0) {
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IntCurveSurface_IntersectionPoint PPP(pnt,U,V,W,transition);
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SeqPnt.Append(PPP);
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// Modified by skv - Wed Sep 3 16:14:10 2003 OCC578 Begin
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mySeqState.Append(anIntState);
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// Modified by skv - Wed Sep 3 16:14:11 2003 OCC578 End
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}
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else {
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Standard_Integer i = 1;
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Standard_Integer b = nbpnt+1;
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while(i<=nbpnt) {
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const IntCurveSurface_IntersectionPoint& Pnti=SeqPnt.Value(i);
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Standard_Real wi = Pnti.W();
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if(wi >= W) { b=i; i=nbpnt; }
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i++;
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}
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IntCurveSurface_IntersectionPoint PPP(pnt,U,V,W,transition);
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// Modified by skv - Wed Sep 3 16:14:10 2003 OCC578 Begin
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// if(b>nbpnt) { SeqPnt.Append(PPP); }
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// else if(b>0) { SeqPnt.InsertBefore(b,PPP); }
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if(b>nbpnt) {
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SeqPnt.Append(PPP);
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mySeqState.Append(anIntState);
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} else if(b>0) {
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SeqPnt.InsertBefore(b,PPP);
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mySeqState.InsertBefore(b, anIntState);
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}
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// Modified by skv - Wed Sep 3 16:14:11 2003 OCC578 End
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}
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nbpnt++;
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}
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} //-- classifier state is IN or ON
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} //-- Loop on Intersection points.
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} //-- HICS.IsDone()
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#endif
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}
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//============================================================================
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void IntCurvesFace_Intersector::Perform(const Handle(Adaptor3d_HCurve)& HCu,const Standard_Real ParMin,const Standard_Real ParMax) {
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done = Standard_True;
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SeqPnt.Clear();
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// Modified by skv - Wed Sep 3 16:14:10 2003 OCC578 Begin
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mySeqState.Clear();
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// Modified by skv - Wed Sep 3 16:14:11 2003 OCC578 End
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nbpnt = 0;
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IntCurveSurface_HInter HICS;
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//--
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Standard_Real parinf=ParMin;
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Standard_Real parsup=ParMax;
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if(PtrOnPolyhedron == NULL) {
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HICS.Perform(HCu,Hsurface);
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}
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else {
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parinf = IntCurveSurface_TheHCurveTool::FirstParameter(HCu);
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parsup = IntCurveSurface_TheHCurveTool::LastParameter(HCu);
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if(parinf<ParMin) parinf = ParMin;
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if(parsup>ParMax) parsup = ParMax;
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if(parinf>(parsup-1e-9)) return;
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Standard_Integer nbs;
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nbs = IntCurveSurface_TheHCurveTool::NbSamples(HCu,parinf,parsup);
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IntCurveSurface_ThePolygonOfHInter polygon(HCu,
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parinf,
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parsup,
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nbs);
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#if OPTIMISATION
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if(PtrOnBndBounding==NULL) {
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PtrOnBndBounding = (Bnd_BoundSortBox *) new Bnd_BoundSortBox();
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IntCurveSurface_ThePolyhedronOfHInter *thePolyh=(IntCurveSurface_ThePolyhedronOfHInter *)PtrOnPolyhedron;
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((Bnd_BoundSortBox *)(PtrOnBndBounding))->Initialize(IntCurveSurface_ThePolyhedronToolOfHInter::Bounding(*thePolyh),
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IntCurveSurface_ThePolyhedronToolOfHInter::ComponentsBounding(*thePolyh));
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}
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HICS.Perform(HCu,
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polygon,
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Hsurface,
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*((IntCurveSurface_ThePolyhedronOfHInter *)PtrOnPolyhedron),
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*((Bnd_BoundSortBox *)PtrOnBndBounding));
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#else
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HICS.Perform(HCu,
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polygon,
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Hsurface,
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*((IntCurveSurface_ThePolyhedronOfHInter *)PtrOnPolyhedron));
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#endif
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}
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InternalCall(HICS,parinf,parsup);
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}
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//============================================================================
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Bnd_Box IntCurvesFace_Intersector::Bounding() const {
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if(PtrOnPolyhedron !=NULL) {
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return(((IntCurveSurface_ThePolyhedronOfHInter *)PtrOnPolyhedron)->Bounding());
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}
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else {
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Bnd_Box B;
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return(B);
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}
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}
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TopAbs_State IntCurvesFace_Intersector::ClassifyUVPoint(const gp_Pnt2d& Puv) const {
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TopAbs_State state = myTopolTool->Classify(Puv,1e-7);
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return(state);
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}
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//============================================================================
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void IntCurvesFace_Intersector::Destroy() {
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if(PtrOnPolyhedron !=NULL) {
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delete (IntCurveSurface_ThePolyhedronOfHInter *)PtrOnPolyhedron;
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PtrOnPolyhedron = NULL;
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}
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if(PtrOnBndBounding !=NULL) {
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delete (Bnd_BoundSortBox *)PtrOnBndBounding;
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PtrOnBndBounding=NULL;
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}
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}
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