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9775fa6110
Macro NO_CXX_EXCEPTION was removed from code. Method Raise() was replaced by explicit throw statement. Method Standard_Failure::Caught() was replaced by normal C++mechanism of exception transfer. Method Standard_Failure::Caught() is deprecated now. Eliminated empty constructors. Updated samples. Eliminate empty method ChangeValue from NCollection_Map class. Removed not operable methods from NCollection classes.
267 lines
8.9 KiB
C++
267 lines
8.9 KiB
C++
// Created on: 1993-11-18
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// Created by: Jean Yves LEBEY
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// Copyright (c) 1993-1999 Matra Datavision
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// Copyright (c) 1999-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <BRep_Tool.hxx>
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#include <BRepAdaptor_Surface.hxx>
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#include <Geom2d_Curve.hxx>
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#include <Geom_Curve.hxx>
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#include <GeomAPI_ProjectPointOnCurve.hxx>
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#include <gp_Pnt2d.hxx>
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#include <Precision.hxx>
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#include <Standard_ProgramError.hxx>
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#include <TopoDS.hxx>
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#include <TopoDS_Shape.hxx>
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#include <TopoDS_Vertex.hxx>
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#include <TopOpeBRep_PointClassifier.hxx>
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#include <TopOpeBRep_VPointInter.hxx>
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#include <TopOpeBRep_VPointInterClassifier.hxx>
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#include <TopOpeBRepTool_ShapeTool.hxx>
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//modified by NIZHNY-MKK Fri Jun 16 15:04:09 2000.BEGIN
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//modified by NIZHNY-MKK Fri Jun 16 15:04:09 2000.END
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//modified by NIZHNY-MKK Mon Jun 19 11:47:48 2000.BEGIN
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static TopAbs_State SlowClassifyOnBoundary(const gp_Pnt& thePointToClassify,
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const gp_Pnt2d& thePoint2dToClassify,
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BRepClass_FaceClassifier& theSlowClassifier,
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const TopoDS_Face& theFace);
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//modified by NIZHNY-MKK Mon Jun 19 11:47:51 2000.END
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//=======================================================================
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//function : TopOpeBRep_VPointInterClassifier
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//purpose :
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//=======================================================================
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TopOpeBRep_VPointInterClassifier::TopOpeBRep_VPointInterClassifier() :
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myState(TopAbs_UNKNOWN)
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{
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}
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//=======================================================================
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//function : VPointPosition
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//purpose :
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//=======================================================================
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TopAbs_State TopOpeBRep_VPointInterClassifier::VPointPosition
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(const TopoDS_Shape& F,
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TopOpeBRep_VPointInter& VP,
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const Standard_Integer FaceClassifyIndex,
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TopOpeBRep_PointClassifier& PC,
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const Standard_Boolean AssumeINON,
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const Standard_Real Tol)
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{
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myState = TopAbs_UNKNOWN;
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Standard_Real u,v;
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switch (FaceClassifyIndex) {
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case 1 : {
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VP.ParametersOnS1(u,v);
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if(VP.IsOnDomS1()) {
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VP.State(TopAbs_ON,1);
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const TopoDS_Edge& E = TopoDS::Edge(VP.ArcOnS1());
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const Standard_Real pE = VP.ParameterOnArc1();
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VP.EdgeON(E,pE,1);
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myState = TopAbs_ON;
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return myState;
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}
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break;
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}
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case 2 : {
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VP.ParametersOnS2(u,v);
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if(VP.IsOnDomS2()) {
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VP.State(TopAbs_ON,2);
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const TopoDS_Edge& E = TopoDS::Edge(VP.ArcOnS2());
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const Standard_Real pE = VP.ParameterOnArc2();
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VP.EdgeON(E,pE,2);
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myState = TopAbs_ON;
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return myState;
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}
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break;
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}
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default : throw Standard_ProgramError("VPointClassifier : wrong Index");
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}
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if (myState == TopAbs_ON) {
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return myState;
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}
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TopoDS_Face FF = TopoDS::Face(F);
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TopOpeBRepTool_ShapeTool::AdjustOnPeriodic(FF,u,v);
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gp_Pnt2d p2d(u,v);
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TopAbs_State statefast = PC.Classify(FF,p2d,Tol);
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myState = statefast;
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VP.State(myState,FaceClassifyIndex);
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// AssumeINON = True <=> on considere que tout VP rendu par les
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// intersections est sur une frontiere de la face FF (ON)ou dans la face FF (IN)
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Standard_Integer VPSI = VP.ShapeIndex();
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if (AssumeINON && FaceClassifyIndex == VPSI) {
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mySlowFaceClassifier.Perform(FF,p2d,Tol);
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myState = mySlowFaceClassifier.State();
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if (myState == TopAbs_ON) {
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//modified by NIZHNY-MKK Mon Jun 19 11:45:36 2000.BEGIN
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myState = SlowClassifyOnBoundary(VP.Value(), p2d, mySlowFaceClassifier, FF);
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if(myState == TopAbs_ON) {
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//modified by NIZHNY-MKK Mon Jun 19 11:45:36 2000.END
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VP.EdgeON(mySlowFaceClassifier.Edge().Edge(),
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mySlowFaceClassifier.EdgeParameter(),
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FaceClassifyIndex);
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}
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}
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else if ( myState == TopAbs_OUT) {
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myState = TopAbs_IN;
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// ou biwn myState = TopAbs_OUT ce qui va entrainer VP.UnKeep()
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// si on privilegie le classifieur / donnees d'intersection.
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}
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} // (AssumeINON && FaceClassifyIndex == VPSI)
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else if (!AssumeINON) {
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if (statefast == TopAbs_OUT || statefast == TopAbs_ON) {
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mySlowFaceClassifier.Perform(FF,p2d,Tol);
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myState = mySlowFaceClassifier.State();
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if (myState == TopAbs_ON) {
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//modified by NIZHNY-MKK Mon Jun 19 11:45:36 2000.BEGIN
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myState = SlowClassifyOnBoundary(VP.Value(), p2d, mySlowFaceClassifier, FF);
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if(myState == TopAbs_ON) {
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//modified by NIZHNY-MKK Mon Jun 19 11:45:36 2000.END
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VP.EdgeON(mySlowFaceClassifier.Edge().Edge(),
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mySlowFaceClassifier.EdgeParameter(),
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FaceClassifyIndex);
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}
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}
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}
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}
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else if (FaceClassifyIndex != VPSI) {
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// AssumeINON = True
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//modified by NIZNHY-PKV Mon Feb 5 19:04:01 2001 f
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if (statefast == TopAbs_ON || statefast == TopAbs_OUT) {
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//if (statefast == TopAbs_ON) {
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mySlowFaceClassifier.Perform(FF, p2d, Tol);
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myState = mySlowFaceClassifier.State();
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if (myState == TopAbs_ON || myState == TopAbs_OUT) {
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//if (myState == TopAbs_ON) {
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//modified by NIZNHY-PKV Mon Feb 5 19:04:49 2001 t
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myState = SlowClassifyOnBoundary(VP.Value(), p2d, mySlowFaceClassifier, FF);
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if(myState==TopAbs_ON) {
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VP.EdgeON(mySlowFaceClassifier.Edge().Edge(),
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mySlowFaceClassifier.EdgeParameter(),
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FaceClassifyIndex);
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}
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}
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}
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}
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VP.State(myState,FaceClassifyIndex);
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return myState;
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}
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//=======================================================================
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//function : Edge
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//purpose :
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//=======================================================================
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const TopoDS_Shape& TopOpeBRep_VPointInterClassifier::Edge() const
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{
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if (myState == TopAbs_ON) {
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const TopoDS_Shape& S = mySlowFaceClassifier.Edge().Edge();
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return S;
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}
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else {
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return myNullShape;
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}
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}
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//=======================================================================
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//function : EdgeParameter
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//purpose :
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//=======================================================================
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Standard_Real TopOpeBRep_VPointInterClassifier::EdgeParameter() const
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{
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if (myState == TopAbs_ON) return mySlowFaceClassifier.EdgeParameter();
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else return 0;
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}
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//modified by NIZHNY-MKK Mon Jun 19 11:47:23 2000.BEGIN
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//=======================================================================
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//static function : SlowClassifyOnBoundary
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//purpose :
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//=======================================================================
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static TopAbs_State SlowClassifyOnBoundary(const gp_Pnt& thePointToClassify,
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const gp_Pnt2d& thePoint2dToClassify,
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BRepClass_FaceClassifier& theSlowClassifier,
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const TopoDS_Face& theFace) {
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Standard_Real aParameterOnEdge = theSlowClassifier.EdgeParameter();
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const TopoDS_Edge& anEdge = theSlowClassifier.Edge().Edge();
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Standard_Real parf, parl;
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Handle(Geom_Curve) anEdgeCurve = BRep_Tool::Curve(anEdge, parf, parl);
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if(!anEdgeCurve.IsNull()) {
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Standard_Real minparameterdiff = parl - parf;
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Standard_Real aDistanceToCompare = 0;
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Standard_Boolean samewithvertex = Standard_False;
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TopExp_Explorer anExp(anEdge, TopAbs_VERTEX);
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for(;anExp.More() && !samewithvertex; anExp.Next()) {
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TopoDS_Vertex aVertex = TopoDS::Vertex(anExp.Current());
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Standard_Real aVertexTolerance = BRep_Tool::Tolerance(aVertex);
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gp_Pnt anEdgeVertexPoint = BRep_Tool::Pnt(aVertex);
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if(thePointToClassify.IsEqual(anEdgeVertexPoint, aVertexTolerance))
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samewithvertex = Standard_True;
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}
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if(samewithvertex)
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return TopAbs_ON;
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GeomAPI_ProjectPointOnCurve aProjTool(thePointToClassify, anEdgeCurve);
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for(Standard_Integer i=1; i<=aProjTool.NbPoints(); i++) {
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Standard_Real curparamdiff = Abs(aProjTool.Parameter(i) - aParameterOnEdge);
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if(curparamdiff < minparameterdiff) {
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minparameterdiff = curparamdiff;
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aDistanceToCompare = aProjTool.Distance(i);
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}
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}
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Standard_Real anEdgeTolerance = BRep_Tool::Tolerance(anEdge);
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if((aProjTool.NbPoints()==0) || (aDistanceToCompare >= anEdgeTolerance)) {
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Handle(Geom2d_Curve) anEdgePCurve = BRep_Tool::CurveOnSurface(anEdge, theFace, parf, parl);
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if(!anEdgePCurve.IsNull()) {
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gp_Pnt2d aPoint2dOnEdge = anEdgePCurve->Value(aParameterOnEdge);
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Standard_Real aTol2d = thePoint2dToClassify.Distance(aPoint2dOnEdge) / 3;
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theSlowClassifier.Perform(theFace, thePoint2dToClassify, aTol2d);
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if(theSlowClassifier.State() == TopAbs_IN)
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return TopAbs_IN;
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else
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return TopAbs_OUT;
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}
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else {
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return TopAbs_OUT;
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}
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}
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} //end if(!anEdgeCurve.IsNull())
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return TopAbs_ON;
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}
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//modified by NIZHNY-MKK Mon Jun 19 11:47:26 2000.END
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