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Integration of OCCT 6.5.0 from SVN
This commit is contained in:
bugmaster
bugmaster
514
src/BRepFill/BRepFill_TrimSurfaceTool.cxx
Executable file
514
src/BRepFill/BRepFill_TrimSurfaceTool.cxx
Executable file
@@ -0,0 +1,514 @@
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// File: BRepFill_TrimSurfaceTool.cxx
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// Created: Fri Oct 21 14:56:32 1994
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// Author: Bruno DUMORTIER
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// <dub@fuegox>
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#include <stdio.h>
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#include <BRepFill_TrimSurfaceTool.ixx>
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#include <Precision.hxx>
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#include <Adaptor3d_SurfaceOfRevolution.hxx>
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#include <AppParCurves_MultiCurve.hxx>
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#include <BRepFill_ComputeCLine.hxx>
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#include <BRepFill_MultiLine.hxx>
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#include <BRepIntCurveSurface_Inter.hxx>
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#include <BRepFill_ApproxSeewing.hxx>
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#include <BRep_Tool.hxx>
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#include <ElCLib.hxx>
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#include <BSplCLib.hxx>
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#include <PLib.hxx>
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#include <gp.hxx>
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#include <gp_Sphere.hxx>
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#include <gp_Cone.hxx>
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#include <gp_Torus.hxx>
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#include <gp_Cylinder.hxx>
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#include <Geom2dInt_GInter.hxx>
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#include <Geom2dAPI_ProjectPointOnCurve.hxx>
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#include <Geom2dAdaptor_Curve.hxx>
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#include <Geom2d_BSplineCurve.hxx>
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#include <Geom2d_TrimmedCurve.hxx>
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#include <GeomAdaptor_Surface.hxx>
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#include <GeomAdaptor_HCurve.hxx>
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#include <Geom_Plane.hxx>
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#include <Geom_SurfaceOfRevolution.hxx>
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#include <Geom_BSplineCurve.hxx>
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#include <Geom_TrimmedCurve.hxx>
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#include <GeomProjLib.hxx>
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#include <IntRes2d_IntersectionPoint.hxx>
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#include <IntRes2d_IntersectionSegment.hxx>
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#include <Precision.hxx>
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#include <StdFail_NotDone.hxx>
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#include <Standard_NotImplemented.hxx>
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#include <TColgp_Array1OfPnt.hxx>
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#include <TColStd_Array1OfReal.hxx>
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#include <TColStd_Array1OfInteger.hxx>
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#include <TopAbs_State.hxx>
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#include <TopExp.hxx>
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#include <TopoDS.hxx>
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#include <TopoDS_Vertex.hxx>
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#ifdef DRAW
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#include <DrawTrSurf.hxx>
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#include <DBRep.hxx>
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#endif
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#ifdef DEB
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static Standard_Boolean Affich = Standard_False;
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static Standard_Integer NBCALL = 1;
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#endif
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//=======================================================================
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//function : BRepFill_TrimSurfaceTool
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//purpose : Initialisation avec les deux face voisines
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// Edge1 et Edge2 sont les edges paralleles correspondant
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// a une iso minimum sur F1 et F2 respectivement.
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// ie Edge1 est Umin ou VMin sur F1.
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// Inv1 et Inv2 indique si Edge1 et Edge2 sont des
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// parallleles retournees.
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//=======================================================================
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BRepFill_TrimSurfaceTool::BRepFill_TrimSurfaceTool
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(const Handle(Geom2d_Curve)& Bis,
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const TopoDS_Face& Face1,
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const TopoDS_Face& Face2,
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const TopoDS_Edge& Edge1,
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const TopoDS_Edge& Edge2,
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const Standard_Boolean Inv1,
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const Standard_Boolean Inv2 ) :
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myFace1(Face1),
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myFace2(Face2),
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myEdge1(Edge1),
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myEdge2(Edge2),
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myInv1(Inv1),
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myInv2(Inv2),
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myBis (Bis)
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{
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#ifdef DEB
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if ( Affich) {
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cout << " ---------->TrimSurfaceTool : NBCALL = " << NBCALL << endl;
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#ifdef DRAW
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char name[256];
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sprintf(name,"FACE1_%d",NBCALL);
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DBRep::Set(name,myFace1);
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sprintf(name,"FACE2_%d",NBCALL);
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DBRep::Set(name,myFace2);
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sprintf(name,"EDGE1_%d",NBCALL);
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DBRep::Set(name,myEdge1);
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sprintf(name,"EDGE2_%d",NBCALL);
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DBRep::Set(name,myEdge2);
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sprintf(name,"BISSEC_%d",NBCALL);
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DrawTrSurf::Set(name,myBis);
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#endif
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NBCALL++;
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}
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#endif
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}
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//=======================================================================
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//function : Bubble
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//purpose : Ordonne la sequence de point en x croissant.
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//=======================================================================
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static void Bubble(TColgp_SequenceOfPnt& Seq)
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{
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Standard_Boolean Invert = Standard_True;
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Standard_Integer NbPoints = Seq.Length();
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while (Invert) {
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Invert = Standard_False;
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for ( Standard_Integer i = 1; i < NbPoints; i++) {
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gp_Pnt P1 = Seq.Value(i);
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gp_Pnt P2 = Seq.Value(i+1);
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if (P2.X()<P1.X()) {
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Seq.Exchange(i,i+1);
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Invert = Standard_True;
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}
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}
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}
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}
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//=======================================================================
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//function : EvalPhase
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//purpose :
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//=======================================================================
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static Standard_Real EvalPhase(const TopoDS_Edge& Edge,
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const TopoDS_Face& Face,
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const GeomAdaptor_Surface& GAS,
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const gp_Ax3& Axis)
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{
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gp_Pnt2d PE1,PE2,PF1,PF2;
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Standard_Real VDeg;
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#ifndef DEB
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Standard_Real V = 0.;
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#else
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Standard_Real V;
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#endif
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BRep_Tool::UVPoints(Edge,Face,PE1,PE2);
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VDeg = PE1.Y();
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TopExp_Explorer Exp(Face,TopAbs_EDGE);
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for (; Exp.More(); Exp.Next()) {
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if ( !TopoDS::Edge(Exp.Current()).IsSame(Edge)) {
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BRep_Tool::UVPoints(TopoDS::Edge(Exp.Current()),Face,PF1,PF2);
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V = ( Abs(PF1.Y() - VDeg) > Abs(PF2.Y() - VDeg)) ? PF1.Y() : PF2.Y();
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break;
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}
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}
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gp_Pnt P = GAS.Value(0., V);
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if ( gp_Vec(Axis.Location(), P).Dot(Axis.XDirection()) < 0.)
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return PI;
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else
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return 0.;
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}
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//=======================================================================
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//function : EvalParameters
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//purpose :
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//=======================================================================
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static void EvalParameters(const TopoDS_Edge& Edge,
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const TopoDS_Face& Face,
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const Handle(Geom2d_Curve)& Bis ,
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TColgp_SequenceOfPnt& Seq )
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{
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Standard_Boolean Degener = BRep_Tool::Degenerated(Edge);
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// recuperer les courbes 3d associees aux edges.
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TopLoc_Location L;
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Standard_Real f,l;
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Handle(Geom_TrimmedCurve) CT;
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Handle(Geom_Plane) Plane = new Geom_Plane(0,0,1,0);
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Geom2dInt_GInter Intersector;
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Standard_Integer NbPoints, NbSegments;
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Standard_Real U1, U2;
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gp_Pnt P;//,PSeq;
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// Standard_Real Tol = Precision::Intersection();
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// modified by NIZHNY-EAP Wed Dec 22 15:00:51 1999 ___BEGIN___
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Standard_Real Tol = 1.e-6; // BRepFill_Precision();
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Standard_Real TolC = 0.;
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if ( !Degener) {
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Handle(Geom_Curve) C = BRep_Tool::Curve(Edge,L,f,l);
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CT = new Geom_TrimmedCurve(C,f,l);
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CT->Transform(L.Transformation());
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// projection de ces courbes 3d dans le plan xOy
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Handle(Geom2d_Curve) C2d = GeomProjLib::Curve2d(CT,Plane);
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Geom2dAdaptor_Curve AC(C2d);
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Geom2dAdaptor_Curve ABis(Bis);
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Intersector = Geom2dInt_GInter(ABis, AC, TolC, Tol);
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if ( !Intersector.IsDone()) {
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StdFail_NotDone::Raise("BRepFill_TrimSurfaceTool::IntersectWith");
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}
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NbPoints = Intersector.NbPoints();
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if (NbPoints < 1) {
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// try to elongate curves and enlarge tolerance
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// don't do it rightaway from the beginning in order not to get
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// extra solutions those would cause *Exception*: incoherent intersection
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GeomAbs_CurveType CType = AC.GetType(), BisType = ABis.GetType();
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Standard_Boolean canElongateC = !(CType == GeomAbs_BezierCurve ||
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CType == GeomAbs_BSplineCurve ||
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CType == GeomAbs_OtherCurve);
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Standard_Boolean canElongateBis = !(BisType == GeomAbs_BezierCurve ||
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BisType == GeomAbs_BSplineCurve ||
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BisType == GeomAbs_OtherCurve);
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Handle(Geom2d_TrimmedCurve) TBis = Handle(Geom2d_TrimmedCurve)::DownCast(Bis);
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Handle(Geom2d_TrimmedCurve) TC2d = Handle(Geom2d_TrimmedCurve)::DownCast(C2d);
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if (canElongateC) {
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TC2d->SetTrim(TC2d->FirstParameter() - Tol, TC2d->LastParameter() + Tol);
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AC.Load(TC2d);
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}
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if (canElongateBis) {
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TBis->SetTrim(TBis->FirstParameter() - Tol, TBis->LastParameter() + Tol);
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ABis.Load(TBis);
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}
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Intersector = Geom2dInt_GInter(ABis, AC, TolC, Tol*10);
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if ( !Intersector.IsDone()) {
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StdFail_NotDone::Raise("BRepFill_TrimSurfaceTool::IntersectWith");
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}
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NbPoints = Intersector.NbPoints();
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}
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// modified by NIZHNY-EAP Wed Dec 22 15:00:56 1999 ___END___
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if (NbPoints > 0) {
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for ( Standard_Integer i = 1; i <= NbPoints; i++) {
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U1 = Intersector.Point(i).ParamOnFirst();
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U2 = Intersector.Point(i).ParamOnSecond();
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P = gp_Pnt(U1,U2,0.);
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Seq.Append(P);
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}
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}
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NbSegments = Intersector.NbSegments();
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if (NbSegments > 0) {
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#ifdef DEB
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cout << " IntersectWith : " << NbSegments
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<< " Segments d`intersection" << endl;
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#endif
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IntRes2d_IntersectionSegment Seg;
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for ( Standard_Integer i = 1; i <= NbSegments; i++) {
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Seg = Intersector.Segment(i);
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U1 = Seg.FirstPoint().ParamOnFirst();
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U1 += Seg.LastPoint().ParamOnFirst();
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U1 /= 2.;
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U2 = Seg.FirstPoint().ParamOnSecond();
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U2 += Seg.LastPoint().ParamOnSecond();
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U2 /= 2.;
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P = gp_Pnt(U1,U2,0.);
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Seq.Append(P);
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}
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}
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// Ordonne la sequence en param croissant sur la bissectrice.
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Bubble( Seq);
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// modified by NIZHNY-EAP Fri Dec 24 18:47:24 1999 ___BEGIN___
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// Remove double points
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gp_Pnt P1, P2;
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for ( Standard_Integer i = 1; i < NbPoints; i++) {
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P1 = Seq.Value(i);
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P2 = Seq.Value(i+1);
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if ( P2.X()-P1.X() < Tol ) {
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// cout<<"REMOVE "<<P1.X()<<endl;
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Seq.Remove(i--);
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NbPoints--;
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}
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}
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// modified by NIZHNY-EAP Fri Dec 24 18:47:28 1999 ___END___
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}
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else {
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// l`edge est degenere : on recupere le point et on cherche s`il est sur
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// la bissectrice.
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gp_Pnt P3d = BRep_Tool::Pnt( TopExp::FirstVertex(Edge));
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gp_Pnt2d P2d( P3d.X(), P3d.Y());
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Standard_Real UBis = Bis->FirstParameter();
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gp_Pnt2d PBis = Bis->Value( UBis);
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// modified by NIZHNY-EAP Wed Jan 12 11:41:30 2000 ___BEGIN___
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// inside gp_Pnt2d::Distance
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// Infinite * Infinite => Exception: DefaultNumericError
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// Case encounered: UBis < Precision::Infinite()
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// but PBis.X() > Precision::Infinite()
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if (Precision::IsPositiveInfinite(Abs(PBis.X())) ||
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Precision::IsPositiveInfinite(Abs(PBis.Y())) ||
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PBis.Distance(P2d) > Tol) {
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// modified by NIZHNY-EAP Wed Jan 12 11:41:40 2000 ___END___
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UBis = Bis->LastParameter();
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if (UBis >= Precision::Infinite()) return;
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PBis = Bis->Value( UBis);
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if ( PBis.Distance(P2d) > Tol) return;
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}
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// eval parametre intersection.
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Handle(Geom_Surface) GS = BRep_Tool::Surface(Face);
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GeomAdaptor_Surface GAS(GS);
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gp_Ax3 Axis;
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Standard_Real Phase = 0.;
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switch ( GAS.GetType()) {
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case GeomAbs_Sphere:
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Axis = GAS.Sphere().Position(); break;
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case GeomAbs_Cone: {
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//----------------------------------------------------------
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// si myFace1 n est pas du meme cote de l apex que le point
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// de parametre 0 0 sur le cone => phase = PI.
|
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//----------------------------------------------------------
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Axis = GAS.Cone().Position();
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Phase = EvalPhase(Edge,Face,GAS,Axis);
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break;
|
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}
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case GeomAbs_Torus:
|
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Axis = GAS.Torus().Position(); break;
|
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case GeomAbs_Cylinder:
|
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Axis = GAS.Cylinder().Position(); break;
|
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case GeomAbs_SurfaceOfRevolution: {
|
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//----------------------------------------------------------
|
||||
// si myFace1 n est pas du meme cote de l apex que le point
|
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// de parametre 0 0 sur le cone => phase = PI.
|
||||
//----------------------------------------------------------
|
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Handle(Geom_SurfaceOfRevolution) GSRev =
|
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Handle(Geom_SurfaceOfRevolution)::DownCast(GS);
|
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Handle(GeomAdaptor_HCurve) HC =
|
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new GeomAdaptor_HCurve(GSRev->BasisCurve());
|
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Adaptor3d_SurfaceOfRevolution ASRev(HC,GAS.AxeOfRevolution());
|
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Axis = ASRev.Axis();
|
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Phase = EvalPhase(Edge,Face,GAS,Axis);
|
||||
break;
|
||||
}
|
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default:
|
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Standard_NotImplemented::Raise(" BRepFill_TrimSurfaceTool");
|
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}
|
||||
|
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gp_Vec2d D12d = Bis->DN(UBis,1);
|
||||
gp_Vec D1( D12d.X(), D12d.Y(), 0.);
|
||||
|
||||
Standard_Real U = Axis.XDirection().
|
||||
AngleWithRef(D1,Axis.XDirection()^Axis.YDirection());
|
||||
U += Phase;
|
||||
if ( U < 0.) U += 2*PI;
|
||||
|
||||
P = gp_Pnt(Bis->FirstParameter(), U, 0.);
|
||||
Seq.Append(P);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
//=======================================================================
|
||||
//function : IntersectWith
|
||||
//purpose :
|
||||
//=======================================================================
|
||||
|
||||
void BRepFill_TrimSurfaceTool::IntersectWith
|
||||
(const TopoDS_Edge& EdgeOnF1,
|
||||
const TopoDS_Edge& EdgeOnF2,
|
||||
TColgp_SequenceOfPnt& Points )
|
||||
const
|
||||
{
|
||||
Points.Clear();
|
||||
TColgp_SequenceOfPnt Points2;
|
||||
|
||||
EvalParameters(EdgeOnF1, myFace1, myBis, Points);
|
||||
EvalParameters(EdgeOnF2, myFace2, myBis, Points2);
|
||||
|
||||
StdFail_NotDone_Raise_if
|
||||
( Points.Length() != Points2.Length(),
|
||||
"BRepFill_TrimSurfaceTool::IntersectWith: incoherent intersection");
|
||||
|
||||
gp_Pnt PSeq;
|
||||
Standard_Integer NbPoints = Points.Length();
|
||||
for ( Standard_Integer i = 1; i <= NbPoints; i++) {
|
||||
PSeq = Points(i);
|
||||
PSeq.SetZ((Points2.Value(i)).Y());
|
||||
Points.SetValue(i,PSeq);
|
||||
// cout<<"BisPar "<<PSeq.X()<<endl;
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
//=======================================================================
|
||||
//function : IsOnFace
|
||||
//purpose :
|
||||
//=======================================================================
|
||||
|
||||
Standard_Boolean BRepFill_TrimSurfaceTool::IsOnFace
|
||||
(const gp_Pnt2d& Point) const
|
||||
{
|
||||
gp_Pnt P( Point.X(), Point.Y(), 0.);
|
||||
gp_Lin Line( P, gp::DZ());
|
||||
|
||||
BRepIntCurveSurface_Inter Inter;
|
||||
|
||||
// eval if is on face 1
|
||||
// modified by NIZHNY-EAP Fri Jan 21 09:49:09 2000 ___BEGIN___
|
||||
Inter.Init(myFace1, Line, 1e-6);//Precision::PConfusion());
|
||||
if (Inter.More()) return Standard_True;
|
||||
|
||||
// eval if is on face 2
|
||||
Inter.Init(myFace2, Line, 1e-6);//Precision::PConfusion());
|
||||
return Inter.More();
|
||||
// modified by NIZHNY-EAP Fri Jan 21 09:49:14 2000 ___END___
|
||||
}
|
||||
|
||||
|
||||
//=======================================================================
|
||||
//function : ProjOn
|
||||
//purpose :
|
||||
//=======================================================================
|
||||
|
||||
Standard_Real BRepFill_TrimSurfaceTool::ProjOn(const gp_Pnt2d& Point,
|
||||
const TopoDS_Edge& Edge) const
|
||||
{
|
||||
TopLoc_Location L;
|
||||
Standard_Real f,l;
|
||||
|
||||
|
||||
|
||||
Handle(Geom_Curve) C1 = BRep_Tool::Curve(Edge,L,f,l);
|
||||
Handle(Geom_TrimmedCurve) CT = new Geom_TrimmedCurve(C1,f,l);
|
||||
CT->Transform(L.Transformation());
|
||||
|
||||
// projection de ces courbes 3d dans le plan xOy
|
||||
Handle(Geom_Plane) Plane = new Geom_Plane(0,0,1,0);
|
||||
Handle(Geom2d_Curve) C2d = GeomProjLib::Curve2d(CT,Plane);
|
||||
|
||||
// eval the projection of the point on the curve.
|
||||
Geom2dAPI_ProjectPointOnCurve Projector(Point, C2d);
|
||||
#ifdef DEB
|
||||
Standard_Real Dist =
|
||||
#endif
|
||||
Projector.LowerDistance();
|
||||
#ifdef DEB
|
||||
if ( Dist > Precision::Confusion() ) {
|
||||
cout << " *** WARNING TrimSurfaceTool: *** " << endl;
|
||||
cout << " --> le point n'est pas sur l'edge" <<endl;
|
||||
cout << " distance = " << Dist << endl;
|
||||
}
|
||||
#endif
|
||||
|
||||
Standard_Real U = Projector.LowerDistanceParameter();
|
||||
return U;
|
||||
}
|
||||
|
||||
|
||||
//=======================================================================
|
||||
//function : Project
|
||||
//purpose :
|
||||
//=======================================================================
|
||||
|
||||
void BRepFill_TrimSurfaceTool::Project
|
||||
(const Standard_Real U1,
|
||||
const Standard_Real U2,
|
||||
Handle(Geom_Curve)& Curve,
|
||||
Handle(Geom2d_Curve)& PCurve1,
|
||||
Handle(Geom2d_Curve)& PCurve2,
|
||||
GeomAbs_Shape& Cont) const
|
||||
{
|
||||
Standard_Integer Deg1, Deg2;
|
||||
Deg1 = Deg2 = 8;
|
||||
|
||||
Handle(Geom2d_TrimmedCurve) CT =
|
||||
new Geom2d_TrimmedCurve(myBis,U1,U2);
|
||||
BRepFill_MultiLine ML(myFace1,myFace2,
|
||||
myEdge1,myEdge2,myInv1,myInv2,CT);
|
||||
|
||||
Cont = ML.Continuity();
|
||||
|
||||
if ( ML.IsParticularCase()) {
|
||||
ML.Curves(Curve,PCurve1,PCurve2);
|
||||
}
|
||||
else {
|
||||
BRepFill_ApproxSeewing AppSeew(ML);
|
||||
|
||||
Curve = AppSeew.Curve();
|
||||
PCurve1 = AppSeew.CurveOnF1();
|
||||
PCurve2 = AppSeew.CurveOnF2();
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user