[occt.git] / src / IntTools / IntTools_FClass2d.cxx

// Created on: 1995-03-22
// Created by: Laurent BUCHARD
// Copyright (c) 1995-1999 Matra Datavision
// Copyright (c) 1999-2012 OPEN CASCADE SAS
//
// The content of this file is subject to the Open CASCADE Technology Public
// License Version 6.5 (the "License"). You may not use the content of this file
// except in compliance with the License. Please obtain a copy of the License
// at http://www.opencascade.org and read it completely before using this file.
//
// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
//
// The Original Code and all software distributed under the License is
// distributed on an "AS IS" basis, without warranty of any kind, and the
// Initial Developer hereby disclaims all such warranties, including without
// limitation, any warranties of merchantability, fitness for a particular
// purpose or non-infringement. Please see the License for the specific terms
// and conditions governing the rights and limitations under the License.


#include <IntTools_FClass2d.ixx>

#include <stdio.h>

#include <Precision.hxx>
#include <gp_Pnt.hxx>
#include <ElCLib.hxx>

#include <Geom2dInt_Geom2dCurveTool.hxx>
#include <GeomAbs_SurfaceType.hxx>

#include <BRep_Tool.hxx>
#include <BRepTools_WireExplorer.hxx>
#include <BRepClass_FaceClassifier.hxx>
#include <CSLib_Class2d.hxx>
#include <BRepAdaptor_HSurface.hxx>
#include <BRepAdaptor_Curve.hxx>
#include <BRepAdaptor_Curve2d.hxx>

#include <TopoDS.hxx>
#include <TopoDS_Edge.hxx>
#include <TopExp.hxx>
#include <TopAbs_Orientation.hxx>
#include <TopExp_Explorer.hxx>
#include <TColgp_SequenceOfPnt2d.hxx>

#include <TColgp_Array1OfPnt2d.hxx>
#include <TopoDS_Wire.hxx>
#include <TColStd_DataMapOfIntegerInteger.hxx>
#include <TColgp_SequenceOfVec2d.hxx>

//=======================================================================
//function : IntTools_FClass2d:IntTools:_FClass2d
//purpose  : 
//=======================================================================
IntTools_FClass2d::IntTools_FClass2d()
{
}
//=======================================================================
//function : IntTools_FClass2d::IntTools_FClass2d
//purpose  : 
//=======================================================================
  IntTools_FClass2d::IntTools_FClass2d(const TopoDS_Face& aFace,
				       const Standard_Real TolUV) 
: Toluv(TolUV), Face(aFace)  
{
  Init(Face, Toluv);
}
//=======================================================================
//function : IsHole
//purpose  : 
//=======================================================================
  Standard_Boolean IntTools_FClass2d::IsHole() const
{
  return myIsHole;
} 
//=======================================================================
//function : Init
//purpose  : 
//=======================================================================
  void IntTools_FClass2d::Init(const TopoDS_Face& aFace,
			       const Standard_Real TolUV) 
{
  Standard_Boolean WireIsNotEmpty, Ancienpnt3dinitialise, degenerated;
  Standard_Integer nbpnts, firstpoint, NbEdges;
  Standard_Integer iX, aNbs1, nbs, Avant, BadWire;
  Standard_Real u, du, Tole, Tol, pfbid, plbid;
  Standard_Real FlecheU, FlecheV, TolVertex1, TolVertex;
  Standard_Real uFirst, uLast;
  Standard_Real aPrCf, aPrCf2;
  //
  TopoDS_Edge  edge;
  TopoDS_Vertex Va,Vb;
  TopAbs_Orientation Or;
  BRepTools_WireExplorer aWExp;
  TopExp_Explorer aExpF, aExp;
  Handle(Geom2d_Curve) aC2D;
  gp_Pnt Ancienpnt3d;
  TColgp_SequenceOfPnt2d SeqPnt2d;
  TColStd_DataMapOfIntegerInteger anIndexMap;
  TColgp_SequenceOfVec2d          aD1Prev;
  TColgp_SequenceOfVec2d          aD1Next;
  //
  aPrCf=Precision::Confusion();
  aPrCf2=aPrCf*aPrCf;
  myIsHole=Standard_True;
  //
  Toluv=TolUV;
  Face=aFace;
  Face.Orientation(TopAbs_FORWARD);
  Handle(BRepAdaptor_HSurface) surf = new BRepAdaptor_HSurface();
  surf->ChangeSurface().Initialize(aFace, Standard_False);
  //
  Tole = 0.;
  Tol=0.;
  Umin = Vmin = RealLast();
  Umax = Vmax = -Umin;
  BadWire=0;
  //
  //if face has several wires and one of them is bad,
  //it is necessary to process all of them for correct
  //calculation of Umin, Umax, Vmin, Vmax - ifv, 23.08.06 
  //
  aExpF.Init(Face,TopAbs_WIRE); 
  for(; aExpF.More();  aExpF.Next()) {
    const TopoDS_Wire& aW=*((TopoDS_Wire*)&aExpF.Current());
    //
    nbpnts = 0;
    firstpoint =1;
    FlecheU = 0.;
    FlecheV = 0.;
    TolVertex1=0.;
    TolVertex=0.;
    WireIsNotEmpty = Standard_False;
    Ancienpnt3dinitialise=Standard_False;
    Ancienpnt3d.SetCoord(0.,0.,0.);
    //
    SeqPnt2d.Clear();
    anIndexMap.Clear();
    aD1Prev.Clear();
    aD1Next.Clear();
    //
    // NbEdges
    NbEdges=0;
    aExp.Init(aW, TopAbs_EDGE);
    for(; aExp.More(); aExp.Next()) { 
      NbEdges++;
    }
    //
    aWExp.Init(aW, Face);
    for(;aWExp.More(); aWExp.Next()) {
      NbEdges--;
      edge = aWExp.Current();
      Or = edge.Orientation();
      if(!(Or==TopAbs_FORWARD || Or==TopAbs_REVERSED)) {
	continue;
      }
      //
      aC2D=BRep_Tool::CurveOnSurface(edge, Face, pfbid, plbid);
      if (aC2D.IsNull()) {
	return;
      }
      //
      BRepAdaptor_Curve2d C(edge,Face);
      BRepAdaptor_Curve C3d;
      //------------------------------------------
      degenerated=Standard_False;
      if(BRep_Tool::Degenerated(edge) ||
	 BRep_Tool::IsClosed(edge, Face)) {
	degenerated=Standard_True;
      }
      //
      TopExp::Vertices(edge,Va,Vb);
      //
      TolVertex1=0.;
      TolVertex=0.;
      if (Va.IsNull()) {
	degenerated=Standard_True;
      }	
      else {
	TolVertex1=BRep_Tool::Tolerance(Va);
      }
      if (Vb.IsNull()){
	degenerated=Standard_True;
      }	
      else {
	TolVertex=BRep_Tool::Tolerance(Vb);
      }
	// 
      if(TolVertex<TolVertex1) {
	TolVertex=TolVertex1;
      }	
      //
      //-- Verification of cases when forgotten to code degenereted
      if(!degenerated) {
        // check that whole curve is located in vicinity of its middle point
        // (within sphere of Precision::Confusion() diameter)
        C3d.Initialize (edge, Face);
        gp_Pnt P3da = C3d.Value (0.5 * (pfbid + plbid));
        du = plbid - pfbid;
        const int NBSTEPS = 10;
        Standard_Real aPrec2 = 0.25 * Precision::Confusion() * Precision::Confusion();
        degenerated = Standard_True;
        for (Standard_Integer i=0; i <= NBSTEPS; i++)
        {
          Standard_Real u = pfbid + i * du / NBSTEPS;
          gp_Pnt P3db = C3d.Value (u);
          Standard_Real aR2 = P3da.SquareDistance (P3db);
          if (aR2 > aPrec2) {
            degenerated = Standard_False;
            break;
          }
        }
      }//if(!degenerated)
      //-- ----------------------------------------
      Tole = BRep_Tool::Tolerance(edge);
      if(Tole>Tol) {
	Tol=Tole;
      }
      //
      // NbSamples +> nbs
      nbs = Geom2dInt_Geom2dCurveTool::NbSamples(C);
      if (nbs > 2) {
	nbs*=4;
      }
      du = (plbid-pfbid)/(Standard_Real)(nbs-1);
      //
      if(Or==TopAbs_FORWARD) { 
	u = pfbid;
	uFirst=pfbid;
	uLast=plbid;
      }
      else { 
	u = plbid;
	uFirst=plbid;
	uLast=pfbid;
	du=-du;
      }
      //
      // aPrms
      aNbs1=nbs+1;
      TColStd_Array1OfReal aPrms(1, aNbs1);
      //
      if (nbs==2) {
	Standard_Real aCoef=0.0025;
	aPrms(1)=uFirst;
	aPrms(2)=uFirst+aCoef*(uLast-uFirst);
	aPrms(3)=uLast;
      }
      else if (nbs>2) {
	aNbs1=nbs;
	aPrms(1)=uFirst;
	for (iX=2; iX<aNbs1; ++iX) {
	  aPrms(iX)=u+(iX-1)*du;
	}
	aPrms(aNbs1)=uLast;
      }
      //
      //-- ------------------------------------------------------------
      //-- Check distance uv between the start point of the edge
      //-- and the last point saved in SeqPnt2d
      //-- To to set the first point of the current 
      //-- afar from the last saved point
      Avant = nbpnts;
      for(iX=firstpoint; iX<=aNbs1; iX++) {
	Standard_Boolean IsRealCurve3d;
	Standard_Integer ii;
	Standard_Real aDstX;
	gp_Pnt2d P2d;
	gp_Pnt P3d;
	//
	u=aPrms(iX);
	P2d = C.Value(u);
	if(P2d.X()<Umin) Umin = P2d.X();
	if(P2d.X()>Umax) Umax = P2d.X();
	if(P2d.Y()<Vmin) Vmin = P2d.Y();
	if(P2d.Y()>Vmax) Vmax = P2d.Y();
	//
	aDstX=RealLast();	
	if(degenerated==Standard_False) { 
	  P3d=C3d.Value(u);
	  if(nbpnts>1) {
	    if(Ancienpnt3dinitialise) { 
	      aDstX=P3d.SquareDistance(Ancienpnt3d);
	    }
	  }
	}
	//
	IsRealCurve3d = Standard_True; 
	if (aDstX < aPrCf2)  {
	  if(iX>1) {
	    Standard_Real aDstX1;
	    gp_Pnt MidP3d;
	    //
	    MidP3d = C3d.Value(0.5*(u+aPrms(iX-1)));
	    aDstX1=P3d.SquareDistance( MidP3d );
	    if (aDstX1 < aPrCf2){
	      IsRealCurve3d = Standard_False;
	    }
	  }
	}
	//
	if (IsRealCurve3d) {
	  if(degenerated==Standard_False) { 
	    Ancienpnt3d=P3d;
	    Ancienpnt3dinitialise=Standard_True;
	  }
	  nbpnts++;
	  SeqPnt2d.Append(P2d);
	}
	//
	ii=nbpnts;
	if(ii>(Avant+4)) { 
	  Standard_Real ul, dU, dV;
	  gp_Pnt2d Pp;
	  //
	  gp_Lin2d Lin(SeqPnt2d(ii-2),gp_Dir2d(gp_Vec2d(SeqPnt2d(ii-2),SeqPnt2d(ii))));
	  ul = ElCLib::Parameter(Lin,SeqPnt2d(ii-1));
	  Pp = ElCLib::Value(ul,Lin);
	  dU = Abs(Pp.X()-SeqPnt2d(ii-1).X());
	  dV = Abs(Pp.Y()-SeqPnt2d(ii-1).Y());
	  if(dU>FlecheU) {
	    FlecheU = dU;
	  }
	  if(dV>FlecheV) {
	    FlecheV = dV;
	  }
	}
      }// for(iX=firstpoint; iX<=aNbs1; iX++) {
      //
      if(BadWire) {
	continue; //if face has several wires and one of them is bad,
	          //it is necessary to process all of them for correct
	          //calculation of Umin, Umax, Vmin, Vmax - ifv, 23.08.06 
      }
      //
      if(firstpoint==1) firstpoint=2;
      WireIsNotEmpty = Standard_True;
      // Append the derivative of the first parameter.
      Standard_Real aU = aPrms(1);
      gp_Pnt2d      aP;
      gp_Vec2d      aV;

      C.D1(aU, aP, aV);

      if(Or == TopAbs_REVERSED)
	aV.Reverse();

      aD1Next.Append(aV);

      // Append the derivative of the last parameter.
      aU = aPrms(aNbs1);
      C.D1(aU, aP, aV);

      if(Or == TopAbs_REVERSED)
	aV.Reverse();

      if (NbEdges > 0)
	aD1Prev.Append(aV);
      else
	aD1Prev.Prepend(aV);

      // Fill the map anIndexMap.
      if (Avant > 0)
	anIndexMap.Bind(Avant, aD1Next.Length());
      else
	anIndexMap.Bind(1, aD1Next.Length());
    } //for(;aWExp.More(); aWExp.Next()) {
    // ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
    //
    if(NbEdges) { 
      //-- count ++ with normal explorer and -- with Wire Explorer
      TColgp_Array1OfPnt2d PClass(1,2);
      gp_Pnt2d anInitPnt(0., 0.);
      //
      PClass.Init(anInitPnt);
      TabClass.Append((void *)new CSLib_Class2d(PClass,FlecheU,FlecheV,Umin,Vmin,Umax,Vmax));
      BadWire=1;
      TabOrien.Append(-1);
    }
    //
    else if(WireIsNotEmpty) { 
      TColgp_Array1OfPnt2d PClass(1,nbpnts);
      gp_Pnt2d anInitPnt(0., 0.);
      //
      PClass.Init(anInitPnt);
      if(nbpnts>3) { 
	Standard_Integer im2=nbpnts-2;
	Standard_Integer im1=nbpnts-1;
	Standard_Integer im0=1;
	Standard_Integer ii;
	Standard_Real    angle = 0.0;
	Standard_Real aX0, aY0, aX1, aY1, aS;
	//
	aS=0.;
	//

	Standard_Integer iFlag=1;
	PClass(im2)=SeqPnt2d.Value(im2);
	PClass(im1)=SeqPnt2d.Value(im1);
	PClass(nbpnts)=SeqPnt2d.Value(nbpnts);
	for(ii=1; ii<nbpnts; ii++,im0++,im1++,im2++) { 
	  if(im2>=nbpnts) im2=1;
	  if(im1>=nbpnts) im1=1;
	  PClass(ii)=SeqPnt2d.Value(ii);
	  //
	  const gp_Pnt2d& aP2D1=PClass(im1);
	  const gp_Pnt2d& aP2D0=PClass(im0);
	  //aP2D0 is next to aP2D1
	  aP2D0.Coord(aX0, aY0);
	  aP2D1.Coord(aX1, aY1);
	  aS=aS+(aY0+aY1)*(aX1-aX0); 

	  gp_Vec2d A(PClass(im2),PClass(im1));
	  gp_Vec2d B(PClass(im1),PClass(im0));

	  Standard_Real N = A.Magnitude() * B.Magnitude();
	  if(N>1e-16) { 
	    Standard_Real a=A.Angle(B);
	    //  
	    if (anIndexMap.IsBound(im1)) {
	      Standard_Integer  anInd  = anIndexMap.Find(im1);
	      const gp_Vec2d   &aVPrev = aD1Prev.Value(anInd);
	      const gp_Vec2d   &aVNext = aD1Next.Value(anInd);

	      Standard_Real aN = aVPrev.Magnitude() * aVNext.Magnitude();
	      if(aN > 1e-16) { 
		Standard_Real aDerivAngle = aVPrev.Angle(aVNext);
		//ifv 23.08.06
		if(Abs(aDerivAngle) <= Precision::Angular()) aDerivAngle = 0.; 
		//ifv 23.08.06 : if edges continuity > G1, |aDerivAngle| ~0,
		//but can has wrong sign and causes condition aDerivAngle * a < 0.
		//that is wrong in such situation
		if (iFlag && aDerivAngle * a < 0.) {
		  iFlag=0;
		  // Bad case.
		  angle = 0.;
		}
	      }
	    }
	    angle+=a;
	  }
	}//for(ii=1; ii<nbpnts; ii++,im0++,im1++,im2++) { 
	if (!iFlag) {
	  angle = 0.; 
	}
	if(aS>0.){
	  myIsHole=Standard_False;
	}
	//
	if(FlecheU<Toluv)
	  FlecheU = Toluv;

	if(FlecheV<Toluv)
	  FlecheV = Toluv;

	TabClass.Append((void *)new CSLib_Class2d(PClass,FlecheU,FlecheV,Umin,Vmin,Umax,Vmax));
	//
	if((angle<2 && angle>-2)||(angle>10)||(angle<-10)) { 
	  BadWire=1;
	  TabOrien.Append(-1);
	} 
	else { 	
	  TabOrien.Append((angle>0.0)? 1 : 0);
	}
      } 
      else { 
	BadWire=1;
	TabOrien.Append(-1);
	TColgp_Array1OfPnt2d PPClass(1,2);
	PPClass.Init(anInitPnt);
	TabClass.Append((void *)new CSLib_Class2d(PPClass,FlecheU,FlecheV,Umin,Vmin,Umax,Vmax));
      }
    }// else if(WireIsNotEmpty)
  } // for(; aExpF.More();  aExpF.Next()) {
  //
  Standard_Integer nbtabclass = TabClass.Length();
  //
  if(nbtabclass>0) { 
    //-- if an error on a wire was detected : all TabOrien set to -1
    if(BadWire) {
      TabOrien(1)=-1;
    }
    
    if(   surf->GetType()==GeomAbs_Cone
       || surf->GetType()==GeomAbs_Cylinder
       || surf->GetType()==GeomAbs_Torus
       || surf->GetType()==GeomAbs_Sphere
       || surf->GetType()==GeomAbs_SurfaceOfRevolution) { 
      Standard_Real uuu=M_PI+M_PI-(Umax-Umin);
      if(uuu<0) uuu=0;
      U1 = Umin-uuu*0.5;
      U2 = U1+M_PI+M_PI;
    }
    else { 
      U1=U2=0.0; 
    } 
    
    if(surf->GetType()==GeomAbs_Torus) { 
      Standard_Real uuu=M_PI+M_PI-(Vmax-Vmin);
      if(uuu<0) uuu=0;
      
      V1 = Vmin-uuu*0.5;
      V2 = V1+M_PI+M_PI;
    }
    else { 
      V1=V2=0.0; 
    }   
  }
}
//=======================================================================
//function : PerformInfinitePoint
//purpose  : 
//=======================================================================
  TopAbs_State IntTools_FClass2d::PerformInfinitePoint() const 
{ 
  if(Umax==-RealLast() || Vmax==-RealLast() || Umin==RealLast() || Vmin==RealLast()) { 
    return(TopAbs_IN);
  }
  gp_Pnt2d P(Umin-(Umax-Umin),Vmin-(Vmax-Vmin));
  return(Perform(P,Standard_False));
}
//=======================================================================
//function : Perform
//purpose  : 
//=======================================================================
  TopAbs_State IntTools_FClass2d::Perform(const gp_Pnt2d& _Puv,
					  const Standard_Boolean RecadreOnPeriodic) const
{ 
  Standard_Integer nbtabclass = TabClass.Length();
  if (nbtabclass == 0)
  {
    return TopAbs_IN;
  }

  //-- U1 is the First Param and U2 is in this case U1+Period
  Standard_Real u = _Puv.X();
  Standard_Real v = _Puv.Y();
  Standard_Real uu = u;
  Standard_Real vv = v;
  TopAbs_State Status = TopAbs_UNKNOWN;

  Handle(BRepAdaptor_HSurface) surf = new BRepAdaptor_HSurface();
  surf->ChangeSurface().Initialize( Face, Standard_False );
  
  const Standard_Boolean IsUPer  = surf->IsUPeriodic();
  const Standard_Boolean IsVPer  = surf->IsVPeriodic();
  const Standard_Real    uperiod = IsUPer ? surf->UPeriod() : 0.0;
  const Standard_Real    vperiod = IsVPer ? surf->VPeriod() : 0.0;

  Standard_Boolean urecadre = Standard_False;
  Standard_Boolean vrecadre = Standard_False;
  Standard_Integer dedans = 1;

  if (RecadreOnPeriodic) {
    
    if (IsUPer) {
      if (uu < Umin)
	while (uu < Umin) {
	  uu += uperiod;
	}
      else {
	while (uu >= Umin){
	  uu -= uperiod;
	}
	uu += uperiod;
      }
    }// if (IsUPer) {
    
    if (IsVPer) {
      if (vv < Vmin)
	while (vv < Vmin){
	  vv += vperiod;
	}
      else {
	while (vv >= Vmin) {
	  vv -= vperiod;
	}
	vv += vperiod;
      }
    }//if (IsVPer) {
  }

  for(;;) {
    dedans = 1;
    gp_Pnt2d Puv(u,v);
      
    if(TabOrien(1)!=-1) {
      Standard_Integer n, cur, TabOrien_n ;
      for(n=1; n<=nbtabclass; n++) { 
	cur = ((CSLib_Class2d *)TabClass(n))->SiDans(Puv);
	TabOrien_n=TabOrien(n);

	if(cur==1) { 
	  if(TabOrien_n==0) { 
	    dedans = -1; 
	    break;
	  }
	}
	else if(cur==-1) { 
	  if(TabOrien_n==1) {  
	    dedans = -1; 
	    break;
	  }
	}
	else { 
	  dedans = 0;
	  break;
	}
      } // for(n=1; n<=nbtabclass; n++)

      if(dedans==0) { 
	BRepClass_FaceClassifier aClassifier;
	aClassifier.Perform(Face,Puv,Toluv);
	Status = aClassifier.State();
      }
      if(dedans == 1) { 
	Status = TopAbs_IN;
      }
      if(dedans == -1) {
	Status = TopAbs_OUT;
      }
    } // if(TabOrien(1)!=-1) {
    
    else {  //-- TabOrien(1)=-1   Wrong Wire
      BRepClass_FaceClassifier aClassifier;
      aClassifier.Perform(Face,Puv,Toluv);
      Status = aClassifier.State();
    }
    
    if (!RecadreOnPeriodic || !IsUPer && !IsVPer)
      return Status;
    
    if (Status == TopAbs_IN || Status == TopAbs_ON)
      return Status;
    
    if (!urecadre){
      u = uu;
      urecadre = Standard_True;
    }
    else {
      if (IsUPer){
	u += uperiod;
      }
    }

    if (u > Umax || !IsUPer) {
      if (!vrecadre){
	v = vv;
	vrecadre = Standard_True;
      }
      else {
	if (IsVPer){
	  v += vperiod;
	}
      }

      u = uu;
      
      if (v > Vmax || !IsVPer) {
	return Status;
      }
    }
  } //while (1)
}

//=======================================================================
//function : TestOnRestriction
//purpose  : 
//=======================================================================
  TopAbs_State IntTools_FClass2d::TestOnRestriction(const gp_Pnt2d& _Puv,
						    const Standard_Real Tol,
						    const Standard_Boolean RecadreOnPeriodic) const
{ 
  Standard_Integer nbtabclass = TabClass.Length();
  if (nbtabclass == 0)
  {
    return TopAbs_IN;
  }

  //-- U1 is the First Param and U2 in this case is U1+Period
  Standard_Real u=_Puv.X();
  Standard_Real v=_Puv.Y();
  Standard_Real uu = u, vv = v;

  Handle(BRepAdaptor_HSurface) surf = new BRepAdaptor_HSurface();
  surf->ChangeSurface().Initialize( Face, Standard_False );
  const Standard_Boolean IsUPer  = surf->IsUPeriodic();
  const Standard_Boolean IsVPer  = surf->IsVPeriodic();
  const Standard_Real    uperiod = IsUPer ? surf->UPeriod() : 0.0;
  const Standard_Real    vperiod = IsVPer ? surf->VPeriod() : 0.0;
  TopAbs_State Status = TopAbs_UNKNOWN;
  Standard_Boolean urecadre = Standard_False, vrecadre = Standard_False;
  Standard_Integer dedans = 1;

  if (RecadreOnPeriodic)
    {
      if (IsUPer)
	{
	  if (uu < Umin)
	    while (uu < Umin)
	      uu += uperiod;
	  else
	    {
	      while (uu >= Umin)
		uu -= uperiod;
	      uu += uperiod;
	    }
	}
      if (IsVPer)
	{
	  if (vv < Vmin)
	    while (vv < Vmin)
	      vv += vperiod;
	  else
	    {
	      while (vv >= Vmin)
		vv -= vperiod;
	      vv += vperiod;
	    }
	}
    }
  
  for (;;) {
    dedans = 1;
    gp_Pnt2d Puv(u,v);
    
    if(TabOrien(1)!=-1) { 
      for(Standard_Integer n=1; n<=nbtabclass; n++) { 
	Standard_Integer cur = ((CSLib_Class2d *)TabClass(n))->SiDans_OnMode(Puv,Tol);
	if(cur==1) { 
	  if(TabOrien(n)==0) { 
	    dedans = -1; 
	    break;
	  }
	}
	else if(cur==-1) { 
	  if(TabOrien(n)==1) {  
	    dedans = -1; 
	    break;
	  }
	}
	else { 
	  dedans = 0;
	  break;
	}
      }
      if(dedans==0) {
	Status = TopAbs_ON;
      }
      if(dedans == 1) {
	Status = TopAbs_IN;
      }
      if(dedans == -1) {
	Status = TopAbs_OUT;
      }
    }
    else {  //-- TabOrien(1)=-1  Wrong  Wire 
      BRepClass_FaceClassifier aClassifier;
      aClassifier.Perform(Face,Puv,Tol);
      Status = aClassifier.State();
    }
    
    if (!RecadreOnPeriodic || !IsUPer && !IsVPer)
      return Status;
    if (Status == TopAbs_IN || Status == TopAbs_ON)
      return Status;
    
    if (!urecadre)
      {
	u = uu;
	urecadre = Standard_True;
      }
    else
      if (IsUPer)
	u += uperiod;
    if (u > Umax || !IsUPer)
      {
	if (!vrecadre)
	  {
	    v = vv;
	    vrecadre = Standard_True;
	  }
	else
	  if (IsVPer)
	    v += vperiod;
	
	u = uu;
	
	if (v > Vmax || !IsVPer)
	  return Status;
      }
  } //for (;;)
}

//=======================================================================
//function : Destroy
//purpose  : 
//=======================================================================
  void IntTools_FClass2d::Destroy() 
{ 
  Standard_Integer nbtabclass = TabClass.Length(); 
  for(Standard_Integer d=1; d<=nbtabclass;d++) {
    if(TabClass(d)) { 
      delete ((CSLib_Class2d *)TabClass(d));
      TabClass(d)=NULL;
    }
  }
}
Commit	Line	Data
b311480e	1	// Created on: 1995-03-22
	2	// Created by: Laurent BUCHARD
	3	// Copyright (c) 1995-1999 Matra Datavision
	4	// Copyright (c) 1999-2012 OPEN CASCADE SAS
	5	//
	6	// The content of this file is subject to the Open CASCADE Technology Public
	7	// License Version 6.5 (the "License"). You may not use the content of this file
	8	// except in compliance with the License. Please obtain a copy of the License
	9	// at http://www.opencascade.org and read it completely before using this file.
	10	//
	11	// The Initial Developer of the Original Code is Open CASCADE S.A.S., having its
	12	// main offices at: 1, place des Freres Montgolfier, 78280 Guyancourt, France.
	13	//
	14	// The Original Code and all software distributed under the License is
	15	// distributed on an "AS IS" basis, without warranty of any kind, and the
	16	// Initial Developer hereby disclaims all such warranties, including without
	17	// limitation, any warranties of merchantability, fitness for a particular
	18	// purpose or non-infringement. Please see the License for the specific terms
	19	// and conditions governing the rights and limitations under the License.
	20
7fd59977	21
	22	#include <IntTools_FClass2d.ixx>
	23
	24	#include <stdio.h>
	25
	26	#include <Precision.hxx>
	27	#include <gp_Pnt.hxx>
	28	#include <ElCLib.hxx>
	29
	30	#include <Geom2dInt_Geom2dCurveTool.hxx>
	31	#include <GeomAbs_SurfaceType.hxx>
	32
	33	#include <BRep_Tool.hxx>
	34	#include <BRepTools_WireExplorer.hxx>
	35	#include <BRepClass_FaceClassifier.hxx>
	36	#include <CSLib_Class2d.hxx>
	37	#include <BRepAdaptor_HSurface.hxx>
	38	#include <BRepAdaptor_Curve.hxx>
	39	#include <BRepAdaptor_Curve2d.hxx>
	40
	41	#include <TopoDS.hxx>
	42	#include <TopoDS_Edge.hxx>
	43	#include <TopExp.hxx>
	44	#include <TopAbs_Orientation.hxx>
	45	#include <TopExp_Explorer.hxx>
	46	#include <TColgp_SequenceOfPnt2d.hxx>
	47
	48	#include <TColgp_Array1OfPnt2d.hxx>
	49	#include <TopoDS_Wire.hxx>
	50	#include <TColStd_DataMapOfIntegerInteger.hxx>
	51	#include <TColgp_SequenceOfVec2d.hxx>
	52
	53	//=======================================================================
	54	//function : IntTools_FClass2d:IntTools:_FClass2d
	55	//purpose :
	56	//=======================================================================
b311480e	57	IntTools_FClass2d::IntTools_FClass2d()
7fd59977	58	{
	59	}
	60	//=======================================================================
	61	//function : IntTools_FClass2d::IntTools_FClass2d
	62	//purpose :
	63	//=======================================================================
	64	IntTools_FClass2d::IntTools_FClass2d(const TopoDS_Face& aFace,
	65	const Standard_Real TolUV)
	66	: Toluv(TolUV), Face(aFace)
	67	{
	68	Init(Face, Toluv);
	69	}
	70	//=======================================================================
	71	//function : IsHole
	72	//purpose :
	73	//=======================================================================
	74	Standard_Boolean IntTools_FClass2d::IsHole() const
	75	{
	76	return myIsHole;
	77	}
	78	//=======================================================================
	79	//function : Init
	80	//purpose :
	81	//=======================================================================
	82	void IntTools_FClass2d::Init(const TopoDS_Face& aFace,
	83	const Standard_Real TolUV)
	84	{
	85	Standard_Boolean WireIsNotEmpty, Ancienpnt3dinitialise, degenerated;
	86	Standard_Integer nbpnts, firstpoint, NbEdges;
	87	Standard_Integer iX, aNbs1, nbs, Avant, BadWire;
	88	Standard_Real u, du, Tole, Tol, pfbid, plbid;
	89	Standard_Real FlecheU, FlecheV, TolVertex1, TolVertex;
	90	Standard_Real uFirst, uLast;
	91	Standard_Real aPrCf, aPrCf2;
	92	//
	93	TopoDS_Edge edge;
	94	TopoDS_Vertex Va,Vb;
	95	TopAbs_Orientation Or;
	96	BRepTools_WireExplorer aWExp;
	97	TopExp_Explorer aExpF, aExp;
	98	Handle(Geom2d_Curve) aC2D;
	99	gp_Pnt Ancienpnt3d;
	100	TColgp_SequenceOfPnt2d SeqPnt2d;
	101	TColStd_DataMapOfIntegerInteger anIndexMap;
	102	TColgp_SequenceOfVec2d aD1Prev;
	103	TColgp_SequenceOfVec2d aD1Next;
	104	//
	105	aPrCf=Precision::Confusion();
	106	aPrCf2=aPrCf*aPrCf;
	107	myIsHole=Standard_True;
	108	//
	109	Toluv=TolUV;
	110	Face=aFace;
	111	Face.Orientation(TopAbs_FORWARD);
	112	Handle(BRepAdaptor_HSurface) surf = new BRepAdaptor_HSurface();
	113	surf->ChangeSurface().Initialize(aFace, Standard_False);
	114	//
	115	Tole = 0.;
	116	Tol=0.;
	117	Umin = Vmin = RealLast();
	118	Umax = Vmax = -Umin;
	119	BadWire=0;
	120	//
	121	//if face has several wires and one of them is bad,
122	//it is necessary to process all of them for correct
123	//calculation of Umin, Umax, Vmin, Vmax - ifv, 23.08.06
124	//
125	aExpF.Init(Face,TopAbs_WIRE);
126	for(; aExpF.More(); aExpF.Next()) {
127	const TopoDS_Wire& aW=((TopoDS_Wire)&aExpF.Current());
128	//
129	nbpnts = 0;
130	firstpoint =1;
131	FlecheU = 0.;
132	FlecheV = 0.;
133	TolVertex1=0.;
134	TolVertex=0.;
135	WireIsNotEmpty = Standard_False;
136	Ancienpnt3dinitialise=Standard_False;
137	Ancienpnt3d.SetCoord(0.,0.,0.);
138	//
139	SeqPnt2d.Clear();
140	anIndexMap.Clear();
141	aD1Prev.Clear();
142	aD1Next.Clear();
143	//
144	// NbEdges
145	NbEdges=0;
146	aExp.Init(aW, TopAbs_EDGE);
147	for(; aExp.More(); aExp.Next()) {
148	NbEdges++;
149	}
150	//
151	aWExp.Init(aW, Face);
152	for(;aWExp.More(); aWExp.Next()) {
153	NbEdges--;
154	edge = aWExp.Current();
155	Or = edge.Orientation();
156	if(!(Or==TopAbs_FORWARD \|\| Or==TopAbs_REVERSED)) {
157	continue;
158	}
159	//
160	aC2D=BRep_Tool::CurveOnSurface(edge, Face, pfbid, plbid);
161	if (aC2D.IsNull()) {
162	return;
163	}
164	//
165	BRepAdaptor_Curve2d C(edge,Face);
166	BRepAdaptor_Curve C3d;
167	//------------------------------------------
168	degenerated=Standard_False;
169	if(BRep_Tool::Degenerated(edge) \|\|
170	BRep_Tool::IsClosed(edge, Face)) {
171	degenerated=Standard_True;
172	}
173	//
174	TopExp::Vertices(edge,Va,Vb);
175	//
176	TolVertex1=0.;
177	TolVertex=0.;
178	if (Va.IsNull()) {
179	degenerated=Standard_True;
180	}
181	else {
182	TolVertex1=BRep_Tool::Tolerance(Va);
183	}
184	if (Vb.IsNull()){
185	degenerated=Standard_True;
186	}
187	else {
188	TolVertex=BRep_Tool::Tolerance(Vb);
189	}
190	//
191	if(TolVertex<TolVertex1) {
192	TolVertex=TolVertex1;
193	}
194	//
81bba717	195	//-- Verification of cases when forgotten to code degenereted
7fd59977	196	if(!degenerated) {
2478cd9d	197	// check that whole curve is located in vicinity of its middle point
	198	// (within sphere of Precision::Confusion() diameter)
	199	C3d.Initialize (edge, Face);
	200	gp_Pnt P3da = C3d.Value (0.5 * (pfbid + plbid));
	201	du = plbid - pfbid;
	202	const int NBSTEPS = 10;
	203	Standard_Real aPrec2 = 0.25 * Precision::Confusion() * Precision::Confusion();
	204	degenerated = Standard_True;
	205	for (Standard_Integer i=0; i <= NBSTEPS; i++)
	206	{
	207	Standard_Real u = pfbid + i * du / NBSTEPS;
	208	gp_Pnt P3db = C3d.Value (u);
	209	Standard_Real aR2 = P3da.SquareDistance (P3db);
	210	if (aR2 > aPrec2) {
	211	degenerated = Standard_False;
	212	break;
	213	}
	214	}
7fd59977	215	}//if(!degenerated)
	216	//-- ----------------------------------------
	217	Tole = BRep_Tool::Tolerance(edge);
	218	if(Tole>Tol) {
	219	Tol=Tole;
	220	}
	221	//
	222	// NbSamples +> nbs
	223	nbs = Geom2dInt_Geom2dCurveTool::NbSamples(C);
	224	if (nbs > 2) {
	225	nbs*=4;
	226	}
	227	du = (plbid-pfbid)/(Standard_Real)(nbs-1);
	228	//
	229	if(Or==TopAbs_FORWARD) {
	230	u = pfbid;
	231	uFirst=pfbid;
	232	uLast=plbid;
	233	}
	234	else {
	235	u = plbid;
	236	uFirst=plbid;
	237	uLast=pfbid;
	238	du=-du;
	239	}
	240	//
	241	// aPrms
	242	aNbs1=nbs+1;
	243	TColStd_Array1OfReal aPrms(1, aNbs1);
	244	//
	245	if (nbs==2) {
	246	Standard_Real aCoef=0.0025;
	247	aPrms(1)=uFirst;
	248	aPrms(2)=uFirst+aCoef*(uLast-uFirst);
	249	aPrms(3)=uLast;
	250	}
	251	else if (nbs>2) {
	252	aNbs1=nbs;
	253	aPrms(1)=uFirst;
	254	for (iX=2; iX<aNbs1; ++iX) {
	255	aPrms(iX)=u+(iX-1)*du;
	256	}
	257	aPrms(aNbs1)=uLast;
	258	}
	259	//
	260	//-- ------------------------------------------------------------
81bba717	261	//-- Check distance uv between the start point of the edge
	262	//-- and the last point saved in SeqPnt2d
	263	//-- To to set the first point of the current
	264	//-- afar from the last saved point
7fd59977	265	Avant = nbpnts;
	266	for(iX=firstpoint; iX<=aNbs1; iX++) {
	267	Standard_Boolean IsRealCurve3d;
	268	Standard_Integer ii;
	269	Standard_Real aDstX;
	270	gp_Pnt2d P2d;
	271	gp_Pnt P3d;
	272	//
	273	u=aPrms(iX);
	274	P2d = C.Value(u);
	275	if(P2d.X()<Umin) Umin = P2d.X();
	276	if(P2d.X()>Umax) Umax = P2d.X();
	277	if(P2d.Y()<Vmin) Vmin = P2d.Y();
	278	if(P2d.Y()>Vmax) Vmax = P2d.Y();
	279	//
	280	aDstX=RealLast();
	281	if(degenerated==Standard_False) {
	282	P3d=C3d.Value(u);
	283	if(nbpnts>1) {
	284	if(Ancienpnt3dinitialise) {
	285	aDstX=P3d.SquareDistance(Ancienpnt3d);
	286	}
	287	}
	288	}
	289	//
	290	IsRealCurve3d = Standard_True;
	291	if (aDstX < aPrCf2) {
	292	if(iX>1) {
	293	Standard_Real aDstX1;
	294	gp_Pnt MidP3d;
	295	//
	296	MidP3d = C3d.Value(0.5*(u+aPrms(iX-1)));
	297	aDstX1=P3d.SquareDistance( MidP3d );
	298	if (aDstX1 < aPrCf2){
	299	IsRealCurve3d = Standard_False;
	300	}
	301	}
	302	}
	303	//
	304	if (IsRealCurve3d) {
	305	if(degenerated==Standard_False) {
	306	Ancienpnt3d=P3d;
	307	Ancienpnt3dinitialise=Standard_True;
	308	}
	309	nbpnts++;
	310	SeqPnt2d.Append(P2d);
	311	}
	312	//
	313	ii=nbpnts;
	314	if(ii>(Avant+4)) {
	315	Standard_Real ul, dU, dV;
	316	gp_Pnt2d Pp;
	317	//
	318	gp_Lin2d Lin(SeqPnt2d(ii-2),gp_Dir2d(gp_Vec2d(SeqPnt2d(ii-2),SeqPnt2d(ii))));
	319	ul = ElCLib::Parameter(Lin,SeqPnt2d(ii-1));
	320	Pp = ElCLib::Value(ul,Lin);
	321	dU = Abs(Pp.X()-SeqPnt2d(ii-1).X());
	322	dV = Abs(Pp.Y()-SeqPnt2d(ii-1).Y());
	323	if(dU>FlecheU) {
	324	FlecheU = dU;
	325	}
	326	if(dV>FlecheV) {
	327	FlecheV = dV;
	328	}
329	}
330	}// for(iX=firstpoint; iX<=aNbs1; iX++) {
331	//
332	if(BadWire) {
333	continue; //if face has several wires and one of them is bad,
334	//it is necessary to process all of them for correct
335	//calculation of Umin, Umax, Vmin, Vmax - ifv, 23.08.06
336	}
337	//
338	if(firstpoint==1) firstpoint=2;
339	WireIsNotEmpty = Standard_True;
340	// Append the derivative of the first parameter.
341	Standard_Real aU = aPrms(1);
342	gp_Pnt2d aP;
343	gp_Vec2d aV;
344
345	C.D1(aU, aP, aV);
346
347	if(Or == TopAbs_REVERSED)
348	aV.Reverse();
349
350	aD1Next.Append(aV);
351
352	// Append the derivative of the last parameter.
353	aU = aPrms(aNbs1);
354	C.D1(aU, aP, aV);
355
356	if(Or == TopAbs_REVERSED)
357	aV.Reverse();
358
359	if (NbEdges > 0)
360	aD1Prev.Append(aV);
361	else
362	aD1Prev.Prepend(aV);
363
364	// Fill the map anIndexMap.
365	if (Avant > 0)
366	anIndexMap.Bind(Avant, aD1Next.Length());
367	else
368	anIndexMap.Bind(1, aD1Next.Length());
369	} //for(;aWExp.More(); aWExp.Next()) {
370	// ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
371	//
372	if(NbEdges) {
81bba717	373	//-- count ++ with normal explorer and -- with Wire Explorer
7fd59977	374	TColgp_Array1OfPnt2d PClass(1,2);
	375	gp_Pnt2d anInitPnt(0., 0.);
	376	//
	377	PClass.Init(anInitPnt);
	378	TabClass.Append((void *)new CSLib_Class2d(PClass,FlecheU,FlecheV,Umin,Vmin,Umax,Vmax));
	379	BadWire=1;
	380	TabOrien.Append(-1);
	381	}
	382	//
	383	else if(WireIsNotEmpty) {
	384	TColgp_Array1OfPnt2d PClass(1,nbpnts);
	385	gp_Pnt2d anInitPnt(0., 0.);
	386	//
	387	PClass.Init(anInitPnt);
	388	if(nbpnts>3) {
	389	Standard_Integer im2=nbpnts-2;
	390	Standard_Integer im1=nbpnts-1;
	391	Standard_Integer im0=1;
	392	Standard_Integer ii;
	393	Standard_Real angle = 0.0;
	394	Standard_Real aX0, aY0, aX1, aY1, aS;
	395	//
	396	aS=0.;
	397	//
	398
	399	Standard_Integer iFlag=1;
	400	PClass(im2)=SeqPnt2d.Value(im2);
	401	PClass(im1)=SeqPnt2d.Value(im1);
	402	PClass(nbpnts)=SeqPnt2d.Value(nbpnts);
	403	for(ii=1; ii<nbpnts; ii++,im0++,im1++,im2++) {
	404	if(im2>=nbpnts) im2=1;
	405	if(im1>=nbpnts) im1=1;
	406	PClass(ii)=SeqPnt2d.Value(ii);
	407	//
	408	const gp_Pnt2d& aP2D1=PClass(im1);
	409	const gp_Pnt2d& aP2D0=PClass(im0);
	410	//aP2D0 is next to aP2D1
	411	aP2D0.Coord(aX0, aY0);
	412	aP2D1.Coord(aX1, aY1);
	413	aS=aS+(aY0+aY1)*(aX1-aX0);
	414
	415	gp_Vec2d A(PClass(im2),PClass(im1));
	416	gp_Vec2d B(PClass(im1),PClass(im0));
	417
	418	Standard_Real N = A.Magnitude() * B.Magnitude();
	419	if(N>1e-16) {
	420	Standard_Real a=A.Angle(B);
	421	//
	422	if (anIndexMap.IsBound(im1)) {
	423	Standard_Integer anInd = anIndexMap.Find(im1);
	424	const gp_Vec2d &aVPrev = aD1Prev.Value(anInd);
	425	const gp_Vec2d &aVNext = aD1Next.Value(anInd);
	426
	427	Standard_Real aN = aVPrev.Magnitude() * aVNext.Magnitude();
	428	if(aN > 1e-16) {
	429	Standard_Real aDerivAngle = aVPrev.Angle(aVNext);
	430	//ifv 23.08.06
	431	if(Abs(aDerivAngle) <= Precision::Angular()) aDerivAngle = 0.;
	432	//ifv 23.08.06 : if edges continuity > G1, \|aDerivAngle\| ~0,
	433	//but can has wrong sign and causes condition aDerivAngle * a < 0.
	434	//that is wrong in such situation
	435	if (iFlag && aDerivAngle * a < 0.) {
	436	iFlag=0;
	437	// Bad case.
438	angle = 0.;
439	}
440	}
441	}
442	angle+=a;
443	}
444	}//for(ii=1; ii<nbpnts; ii++,im0++,im1++,im2++) {
445	if (!iFlag) {
446	angle = 0.;
447	}
448	if(aS>0.){
449	myIsHole=Standard_False;
450	}
451	//
452	if(FlecheU<Toluv)
453	FlecheU = Toluv;
454
455	if(FlecheV<Toluv)
456	FlecheV = Toluv;
457
458	TabClass.Append((void *)new CSLib_Class2d(PClass,FlecheU,FlecheV,Umin,Vmin,Umax,Vmax));
459	//
460	if((angle<2 && angle>-2)\|\|(angle>10)\|\|(angle<-10)) {
461	BadWire=1;
462	TabOrien.Append(-1);
463	}
464	else {
465	TabOrien.Append((angle>0.0)? 1 : 0);
466	}
467	}
468	else {
469	BadWire=1;
470	TabOrien.Append(-1);
471	TColgp_Array1OfPnt2d PPClass(1,2);
472	PPClass.Init(anInitPnt);
473	TabClass.Append((void *)new CSLib_Class2d(PPClass,FlecheU,FlecheV,Umin,Vmin,Umax,Vmax));
474	}
475	}// else if(WireIsNotEmpty)
476	} // for(; aExpF.More(); aExpF.Next()) {
477	//
478	Standard_Integer nbtabclass = TabClass.Length();
479	//
480	if(nbtabclass>0) {
81bba717	481	//-- if an error on a wire was detected : all TabOrien set to -1
7fd59977	482	if(BadWire) {
	483	TabOrien(1)=-1;
	484	}
	485
	486	if( surf->GetType()==GeomAbs_Cone
	487	\|\| surf->GetType()==GeomAbs_Cylinder
	488	\|\| surf->GetType()==GeomAbs_Torus
	489	\|\| surf->GetType()==GeomAbs_Sphere
	490	\|\| surf->GetType()==GeomAbs_SurfaceOfRevolution) {
c6541a0c	491	Standard_Real uuu=M_PI+M_PI-(Umax-Umin);
7fd59977	492	if(uuu<0) uuu=0;
7fd59977	493	U1 = Umin-uuu*0.5;
c6541a0c	494	U2 = U1+M_PI+M_PI;
7fd59977	495	}
	496	else {
	497	U1=U2=0.0;
	498	}
	499
	500	if(surf->GetType()==GeomAbs_Torus) {
c6541a0c	501	Standard_Real uuu=M_PI+M_PI-(Vmax-Vmin);
7fd59977	502	if(uuu<0) uuu=0;
	503
	504	V1 = Vmin-uuu*0.5;
c6541a0c	505	V2 = V1+M_PI+M_PI;
7fd59977	506	}
	507	else {
	508	V1=V2=0.0;
	509	}
	510	}
	511	}
	512	//=======================================================================
	513	//function : PerformInfinitePoint
	514	//purpose :
	515	//=======================================================================
	516	TopAbs_State IntTools_FClass2d::PerformInfinitePoint() const
	517	{
	518	if(Umax==-RealLast() \|\| Vmax==-RealLast() \|\| Umin==RealLast() \|\| Vmin==RealLast()) {
	519	return(TopAbs_IN);
	520	}
	521	gp_Pnt2d P(Umin-(Umax-Umin),Vmin-(Vmax-Vmin));
	522	return(Perform(P,Standard_False));
	523	}
	524	//=======================================================================
	525	//function : Perform
	526	//purpose :
	527	//=======================================================================
	528	TopAbs_State IntTools_FClass2d::Perform(const gp_Pnt2d& _Puv,
	529	const Standard_Boolean RecadreOnPeriodic) const
	530	{
773f53f1	531	Standard_Integer nbtabclass = TabClass.Length();
	532	if (nbtabclass == 0)
	533	{
	534	return TopAbs_IN;
7fd59977	535	}
7fd59977	536
773f53f1	537	//-- U1 is the First Param and U2 is in this case U1+Period
	538	Standard_Real u = _Puv.X();
	539	Standard_Real v = _Puv.Y();
	540	Standard_Real uu = u;
	541	Standard_Real vv = v;
	542	TopAbs_State Status = TopAbs_UNKNOWN;
7fd59977	543
	544	Handle(BRepAdaptor_HSurface) surf = new BRepAdaptor_HSurface();
	545	surf->ChangeSurface().Initialize( Face, Standard_False );
	546
773f53f1	547	const Standard_Boolean IsUPer = surf->IsUPeriodic();
	548	const Standard_Boolean IsVPer = surf->IsVPeriodic();
	549	const Standard_Real uperiod = IsUPer ? surf->UPeriod() : 0.0;
	550	const Standard_Real vperiod = IsVPer ? surf->VPeriod() : 0.0;
7fd59977	551
773f53f1	552	Standard_Boolean urecadre = Standard_False;
	553	Standard_Boolean vrecadre = Standard_False;
	554	Standard_Integer dedans = 1;
7fd59977	555
	556	if (RecadreOnPeriodic) {
	557
	558	if (IsUPer) {
	559	if (uu < Umin)
	560	while (uu < Umin) {
	561	uu += uperiod;
	562	}
	563	else {
	564	while (uu >= Umin){
	565	uu -= uperiod;
	566	}
	567	uu += uperiod;
	568	}
	569	}// if (IsUPer) {
	570
	571	if (IsVPer) {
	572	if (vv < Vmin)
	573	while (vv < Vmin){
	574	vv += vperiod;
	575	}
	576	else {
	577	while (vv >= Vmin) {
	578	vv -= vperiod;
	579	}
	580	vv += vperiod;
	581	}
	582	}//if (IsVPer) {
	583	}
	584
302f96fb	585	for(;;) {
7fd59977	586	dedans = 1;
	587	gp_Pnt2d Puv(u,v);
	588
	589	if(TabOrien(1)!=-1) {
	590	Standard_Integer n, cur, TabOrien_n ;
	591	for(n=1; n<=nbtabclass; n++) {
	592	cur = ((CSLib_Class2d *)TabClass(n))->SiDans(Puv);
	593	TabOrien_n=TabOrien(n);
	594
	595	if(cur==1) {
	596	if(TabOrien_n==0) {
	597	dedans = -1;
	598	break;
	599	}
	600	}
	601	else if(cur==-1) {
	602	if(TabOrien_n==1) {
	603	dedans = -1;
	604	break;
	605	}
	606	}
	607	else {
	608	dedans = 0;
	609	break;
	610	}
	611	} // for(n=1; n<=nbtabclass; n++)
	612
	613	if(dedans==0) {
	614	BRepClass_FaceClassifier aClassifier;
	615	aClassifier.Perform(Face,Puv,Toluv);
	616	Status = aClassifier.State();
	617	}
	618	if(dedans == 1) {
	619	Status = TopAbs_IN;
	620	}
	621	if(dedans == -1) {
	622	Status = TopAbs_OUT;
	623	}
	624	} // if(TabOrien(1)!=-1) {
	625
81bba717	626	else { //-- TabOrien(1)=-1 Wrong Wire
7fd59977	627	BRepClass_FaceClassifier aClassifier;
	628	aClassifier.Perform(Face,Puv,Toluv);
	629	Status = aClassifier.State();
	630	}
	631
	632	if (!RecadreOnPeriodic \|\| !IsUPer && !IsVPer)
	633	return Status;
	634
	635	if (Status == TopAbs_IN \|\| Status == TopAbs_ON)
	636	return Status;
	637
	638	if (!urecadre){
	639	u = uu;
	640	urecadre = Standard_True;
	641	}
	642	else {
	643	if (IsUPer){
	644	u += uperiod;
	645	}
	646	}
	647
	648	if (u > Umax \|\| !IsUPer) {
	649	if (!vrecadre){
	650	v = vv;
	651	vrecadre = Standard_True;
	652	}
	653	else {
	654	if (IsVPer){
	655	v += vperiod;
	656	}
	657	}
	658
	659	u = uu;
	660
	661	if (v > Vmax \|\| !IsVPer) {
	662	return Status;
	663	}
	664	}
	665	} //while (1)
	666	}
	667
	668	//=======================================================================
	669	//function : TestOnRestriction
	670	//purpose :
	671	//=======================================================================
	672	TopAbs_State IntTools_FClass2d::TestOnRestriction(const gp_Pnt2d& _Puv,
	673	const Standard_Real Tol,
	674	const Standard_Boolean RecadreOnPeriodic) const
	675	{
773f53f1	676	Standard_Integer nbtabclass = TabClass.Length();
	677	if (nbtabclass == 0)
	678	{
	679	return TopAbs_IN;
7fd59977	680	}
773f53f1	681
81bba717	682	//-- U1 is the First Param and U2 in this case is U1+Period
7fd59977	683	Standard_Real u=_Puv.X();
	684	Standard_Real v=_Puv.Y();
	685	Standard_Real uu = u, vv = v;
773f53f1	686
7fd59977	687	Handle(BRepAdaptor_HSurface) surf = new BRepAdaptor_HSurface();
7fd59977	688	surf->ChangeSurface().Initialize( Face, Standard_False );
773f53f1	689	const Standard_Boolean IsUPer = surf->IsUPeriodic();
	690	const Standard_Boolean IsVPer = surf->IsVPeriodic();
	691	const Standard_Real uperiod = IsUPer ? surf->UPeriod() : 0.0;
	692	const Standard_Real vperiod = IsVPer ? surf->VPeriod() : 0.0;
7fd59977	693	TopAbs_State Status = TopAbs_UNKNOWN;
7fd59977	694	Standard_Boolean urecadre = Standard_False, vrecadre = Standard_False;
773f53f1	695	Standard_Integer dedans = 1;
773f53f1	696
7fd59977	697	if (RecadreOnPeriodic)
	698	{
	699	if (IsUPer)
	700	{
	701	if (uu < Umin)
	702	while (uu < Umin)
	703	uu += uperiod;
	704	else
	705	{
	706	while (uu >= Umin)
	707	uu -= uperiod;
	708	uu += uperiod;
	709	}
	710	}
	711	if (IsVPer)
	712	{
	713	if (vv < Vmin)
	714	while (vv < Vmin)
	715	vv += vperiod;
	716	else
	717	{
	718	while (vv >= Vmin)
	719	vv -= vperiod;
	720	vv += vperiod;
	721	}
	722	}
	723	}
	724
	725	for (;;) {
	726	dedans = 1;
	727	gp_Pnt2d Puv(u,v);
	728
	729	if(TabOrien(1)!=-1) {
	730	for(Standard_Integer n=1; n<=nbtabclass; n++) {
	731	Standard_Integer cur = ((CSLib_Class2d *)TabClass(n))->SiDans_OnMode(Puv,Tol);
	732	if(cur==1) {
	733	if(TabOrien(n)==0) {
	734	dedans = -1;
	735	break;
	736	}
	737	}
	738	else if(cur==-1) {
	739	if(TabOrien(n)==1) {
	740	dedans = -1;
	741	break;
	742	}
	743	}
	744	else {
	745	dedans = 0;
	746	break;
	747	}
	748	}
	749	if(dedans==0) {
	750	Status = TopAbs_ON;
	751	}
	752	if(dedans == 1) {
	753	Status = TopAbs_IN;
	754	}
	755	if(dedans == -1) {
	756	Status = TopAbs_OUT;
	757	}
	758	}
81bba717	759	else { //-- TabOrien(1)=-1 Wrong Wire
7fd59977	760	BRepClass_FaceClassifier aClassifier;
	761	aClassifier.Perform(Face,Puv,Tol);
	762	Status = aClassifier.State();
	763	}
	764
	765	if (!RecadreOnPeriodic \|\| !IsUPer && !IsVPer)
	766	return Status;
	767	if (Status == TopAbs_IN \|\| Status == TopAbs_ON)
	768	return Status;
	769
	770	if (!urecadre)
	771	{
	772	u = uu;
	773	urecadre = Standard_True;
	774	}
	775	else
	776	if (IsUPer)
	777	u += uperiod;
	778	if (u > Umax \|\| !IsUPer)
	779	{
	780	if (!vrecadre)
	781	{
	782	v = vv;
	783	vrecadre = Standard_True;
	784	}
	785	else
	786	if (IsVPer)
	787	v += vperiod;
	788
	789	u = uu;
	790
	791	if (v > Vmax \|\| !IsVPer)
	792	return Status;
	793	}
	794	} //for (;;)
	795	}
	796
	797	//=======================================================================
	798	//function : Destroy
	799	//purpose :
	800	//=======================================================================
	801	void IntTools_FClass2d::Destroy()
	802	{
	803	Standard_Integer nbtabclass = TabClass.Length();
	804	for(Standard_Integer d=1; d<=nbtabclass;d++) {
	805	if(TabClass(d)) {
	806	delete ((CSLib_Class2d *)TabClass(d));
	807	TabClass(d)=NULL;
	808	}
	809	}
	810	}
	811
	812