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Integration of OCCT 6.5.0 from SVN
This commit is contained in:
bugmaster
bugmaster
218
src/BRepExtrema/BRepExtrema_ExtFF.cxx
Executable file
218
src/BRepExtrema/BRepExtrema_ExtFF.cxx
Executable file
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// File: BRepExtrema_ExtFF.cxx
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// Created: Wed Dec 15 16:48:53 1993
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// Author: Christophe MARION
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// <cma@sdsun1>
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// modified by mps (juillet 96 ): on utilise BRepAdaptor a la place de
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// GeomAdaptor dans Initialize et Perform.
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#include <BRepExtrema_ExtFF.ixx>
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#include <BRepExtrema_ExtCF.hxx>
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#include <BRep_Tool.hxx>
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#include <BRepTools.hxx>
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#include <Geom_Curve.hxx>
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#include <StdFail_NotDone.hxx>
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#include <Standard_Failure.hxx>
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#include <BRepClass_FaceClassifier.hxx>
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#include <TopoDS.hxx>
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#include <TopAbs_ShapeEnum.hxx>
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#include <TopExp_Explorer.hxx>
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#include <Geom_Surface.hxx>
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#include <Extrema_POnSurf.hxx>
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#include <gp_Pnt2d.hxx>
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#include <Precision.hxx>
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#include <BRepAdaptor_HSurface.hxx>
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//=======================================================================
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//function : BRepExtrema_ExtFF
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//purpose :
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//=======================================================================
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BRepExtrema_ExtFF::BRepExtrema_ExtFF()
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{
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}
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//=======================================================================
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//function : BRepExtrema_ExtFF
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//purpose :
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//=======================================================================
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BRepExtrema_ExtFF::BRepExtrema_ExtFF
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(const TopoDS_Face& F1,
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const TopoDS_Face& F2)
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{
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Initialize(F2);
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Perform(F1,F2);
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}
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//=======================================================================
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//function : Initialize
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//purpose :
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//=======================================================================
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void BRepExtrema_ExtFF::Initialize(const TopoDS_Face& F2)
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{
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BRepAdaptor_Surface Surf(F2);
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myHS = new BRepAdaptor_HSurface(Surf);
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Standard_Real Tol = BRep_Tool::Tolerance(F2);
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Standard_Real U1, U2, V1, V2;
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BRepTools::UVBounds(F2, U1, U2, V1, V2);
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myExtrem.Initialize(myHS->Surface(), U1, U2, V1, V2, Tol);
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}
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//=======================================================================
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//function : Perform
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//purpose :
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//=======================================================================
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void BRepExtrema_ExtFF::Perform(const TopoDS_Face& F1,
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const TopoDS_Face& F2)
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{
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Standard_Real U1, U2, V1, V2;
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Standard_Integer i;
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mySqDist.Clear();
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myPointsOnS1.Clear();
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myPointsOnS2.Clear();
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BRepAdaptor_Surface Surf1(F1);
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Handle(BRepAdaptor_HSurface) HS1 = new BRepAdaptor_HSurface(Surf1);
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Standard_Real Tol1 = BRep_Tool::Tolerance(F1);
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BRepTools::UVBounds(F1, U1, U2, V1, V2);
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myExtrem.Perform(HS1->Surface(), U1, U2, V1, V2, Tol1);
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// exploration des points et classification:
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BRepClass_FaceClassifier classifier;
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gp_Pnt2d Puv;
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TopAbs_State state1, state2;
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Standard_Real Tol2 = BRep_Tool::Tolerance(F2);
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Extrema_POnSurf P1, P2;
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mynbext = 0;
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if (myExtrem.IsParallel()) {
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mySqDist.Append(myExtrem.SquareDistance(1));
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mynbext = 1;
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}
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else {
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for (i = 1; i <= myExtrem.NbExt(); i++) {
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myExtrem.Points(i, P1, P2);
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P1.Parameter(U1, U2);
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Puv.SetCoord(U1, U2);
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classifier.Perform(F1, Puv, Tol1);
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state1 = classifier.State();
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P2.Parameter(U1, U2);
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Puv.SetCoord(U1, U2);
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classifier.Perform(F2, Puv, Tol2);
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state2 = classifier.State();
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if((state1 == TopAbs_ON || state1 == TopAbs_IN) &&
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(state2 == TopAbs_ON || state2 == TopAbs_IN)) {
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mynbext++;
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mySqDist.Append(myExtrem.SquareDistance(i));
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myPointsOnS1.Append(P1);
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myPointsOnS2.Append(P2);
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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 : IsDone
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//purpose :
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//=======================================================================
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Standard_Boolean BRepExtrema_ExtFF::IsDone()const
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{
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return myExtrem.IsDone();
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}
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//=======================================================================
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//function : IsParallel
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//purpose :
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//=======================================================================
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Standard_Boolean BRepExtrema_ExtFF::IsParallel()const
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{
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return myExtrem.IsParallel();
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}
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//=======================================================================
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//function : NbExt
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//purpose :
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//=======================================================================
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Standard_Integer BRepExtrema_ExtFF::NbExt() const
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{
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if(!myExtrem.IsDone()) StdFail_NotDone::Raise();
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return mynbext;
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}
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//=======================================================================
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//function : SquareDistance
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//purpose :
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//=======================================================================
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Standard_Real BRepExtrema_ExtFF::SquareDistance
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(const Standard_Integer N) const
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{
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if(!myExtrem.IsDone()) StdFail_NotDone::Raise();
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if ((N < 1) || (N > mynbext)) Standard_OutOfRange::Raise();
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return mySqDist.Value(N);
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}
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//=======================================================================
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//function : ParameterOnFace1
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//purpose :
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//=======================================================================
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void BRepExtrema_ExtFF::ParameterOnFace1(const Standard_Integer N,
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Standard_Real& U,
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Standard_Real& V) const
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{
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if(!myExtrem.IsDone()) StdFail_NotDone::Raise();
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if ((N < 1) || (N > mynbext)) Standard_OutOfRange::Raise();
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myPointsOnS1.Value(N).Parameter(U, V);
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}
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//=======================================================================
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//function : PointOnFace1
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//purpose :
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//=======================================================================
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gp_Pnt BRepExtrema_ExtFF::PointOnFace1
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(const Standard_Integer N) const
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{
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if(!myExtrem.IsDone()) StdFail_NotDone::Raise();
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if ((N < 1) || (N > mynbext)) Standard_OutOfRange::Raise();
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gp_Pnt P = myPointsOnS1.Value(N).Value();
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return P;
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}
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//=======================================================================
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//function : ParameterOnFace2
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//purpose :
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//=======================================================================
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void BRepExtrema_ExtFF::ParameterOnFace2(const Standard_Integer N,
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Standard_Real& U,
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Standard_Real& V) const
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{
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if(!myExtrem.IsDone()) StdFail_NotDone::Raise();
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if ((N < 1) || (N > mynbext)) Standard_OutOfRange::Raise();
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myPointsOnS2.Value(N).Parameter(U, V);
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}
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//=======================================================================
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//function : PointOnFace1
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//purpose :
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//=======================================================================
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gp_Pnt BRepExtrema_ExtFF::PointOnFace2
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(const Standard_Integer N) const
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{
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if(!myExtrem.IsDone()) StdFail_NotDone::Raise();
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if ((N < 1) || (N > mynbext)) Standard_OutOfRange::Raise();
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gp_Pnt P = myPointsOnS2.Value(N).Value();
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return P;
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}
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