[occt.git] / src / ChFiKPart / ChFiKPart_ComputeData_ChPlnCyl.cxx

// Created on: 1995-05-19
// Created by: Flore Lantheaume
// Copyright (c) 1995-1999 Matra Datavision
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.


#include <Adaptor3d_HSurface.hxx>
#include <ChFiDS_Spine.hxx>
#include <ChFiDS_SurfData.hxx>
#include <ChFiKPart_ComputeData.hxx>
#include <ChFiKPart_ComputeData_Fcts.hxx>
#include <ElCLib.hxx>
#include <ElSLib.hxx>
#include <Geom2d_Circle.hxx>
#include <Geom2d_Line.hxx>
#include <Geom_Circle.hxx>
#include <Geom_ConicalSurface.hxx>
#include <Geom_CylindricalSurface.hxx>
#include <Geom_Line.hxx>
#include <Geom_Plane.hxx>
#include <gp.hxx>
#include <gp_Ax2.hxx>
#include <gp_Ax3.hxx>
#include <gp_Ax22d.hxx>
#include <gp_Circ.hxx>
#include <gp_Circ2d.hxx>
#include <gp_Dir.hxx>
#include <gp_Dir2d.hxx>
#include <gp_Lin2d.hxx>
#include <gp_Pnt.hxx>
#include <gp_Pnt2d.hxx>
#include <gp_Vec.hxx>
#include <IntAna_QuadQuadGeo.hxx>
#include <Precision.hxx>
#include <TopOpeBRepDS_DataStructure.hxx>

//pour tester
//=======================================================================
//function : MakeChamfer
//purpose  : Compute the chamfer in the particular case Plane/Cylinder
//           or Cylinder/Plane
//           Compute the SurfData <Data> of the chamfer build on the <Spine>
//           between the plane <Pln> and the cylinder <Cyl>, with the 
//           distances <Dis1> on <Pln> and <Dis2> on <Cyl>.
//           <Or1> and <Or2> are the orientations of <Pln> and <Cyl>
//           and <Ofpl> this of the face carried by <Pln>.
//           <First> is the start point on the <Spine>
//           <Plandab> is equal to True if the plane is the surface S1
//           <fu> and <lu> are the first and last u parameters of the
//           cylinder
//out      : True if the chanfer has been computed
//           False else
//=======================================================================
Standard_Boolean ChFiKPart_MakeChamfer(TopOpeBRepDS_DataStructure& DStr,
				       const Handle(ChFiDS_SurfData)& Data, 
				       const gp_Pln& Pln, 
				       const gp_Cylinder& Cyl, 
				       const Standard_Real fu,
				       const Standard_Real lu,
				       const TopAbs_Orientation Or1,
				       const TopAbs_Orientation Or2,
				       const Standard_Real Dis1, 
				       const Standard_Real Dis2,
				       const gp_Circ& Spine, 
				       const Standard_Real First, 
				       const TopAbs_Orientation Ofpl,
				       const Standard_Boolean plandab)
{

  // compute the chamfer surface(cone)

    // compute the normals to the plane surface & to the plane face
  gp_Ax3 PosPl = Pln.Position();
  gp_Dir Dpl = PosPl.XDirection().Crossed(PosPl.YDirection());
  gp_Dir norf = Dpl;
  if ( Ofpl == TopAbs_REVERSED) norf.Reverse();
  if (Or1 == TopAbs_REVERSED) Dpl.Reverse();

    // compute the origin Or of the cone
  gp_Pnt Or = Cyl.Location();
  Standard_Real u,v;
  ElSLib::PlaneParameters(PosPl,Or,u,v);
  gp_Pnt2d pt2dPln(u,v);
  ElSLib::PlaneD0(u,v,PosPl,Or);
  gp_Pnt PtPl = Or;  // projection of the cylinder origin 
                     //on the plane 

  gp_Pnt PtSp;//start 3d point on the Spine 
  gp_Vec DSp; //tangent vector to the spine on PtSp
  ElCLib::D1(First,Spine,PtSp,DSp);
  gp_Dir Dx(gp_Vec(Or,PtSp));
  gp_Dir Dy(DSp);
  ElSLib::Parameters(Cyl,PtSp,u,v);
  gp_Pnt PtCyl;//point on the cylinder and on the Spine
  gp_Vec Vu,Vv;
  ElSLib::D1(u,v,Cyl,PtCyl,Vu,Vv);
  gp_Dir Dcyl(Vu.Crossed(Vv));//normal to the cylinder in PtSp
  if (Or2 == TopAbs_REVERSED) Dcyl.Reverse();
  Standard_Boolean dedans = ( Dcyl.Dot(Dx) <= 0.);

  Standard_Boolean pointu = Standard_False;
  Standard_Real ConRad, Rad, SemiAngl ;
  Or.SetCoord(Or.X()+Dis2*Dpl.X(),
	      Or.Y()+Dis2*Dpl.Y(),
	      Or.Z()+Dis2*Dpl.Z());

      // variables used to compute the semiangle of the cone
  gp_Dir Vec1(Or.X()-PtPl.X(), Or.Y()-PtPl.Y(), Or.Z()-PtPl.Z()); 
  gp_Pnt Pt(Or.X()+Dis1*PosPl.XDirection().X(),
	    Or.Y()+Dis1*PosPl.XDirection().Y(),
	    Or.Z()+Dis1*PosPl.XDirection().Z());
  gp_Dir Vec2( Pt.X()-PtPl.X(), Pt.Y()-PtPl.Y(), Pt.Z()-PtPl.Z());

      // compute the parameters of the conical surface
  if (dedans) {
    Rad = Cyl.Radius()- Dis1;
    if ( Abs(Rad) <= Precision::Confusion() ) pointu = Standard_True;
    if(Rad < 0 ) {
#ifdef OCCT_DEBUG
      cout<<"the chamfer can't pass"<<endl;
#endif
      return Standard_False;
    }
  }
  else {
    Rad = Cyl.Radius()+Dis1;
    gp_Dir Dplr = Dpl.Reversed();
    Dpl = Dplr;
   }
  ConRad = Cyl.Radius();
  SemiAngl = Vec1.Angle(Vec2);
  gp_Ax3 ConAx3(Or,Dpl,Dx);

  Handle (Geom_ConicalSurface)
    gcon = new Geom_ConicalSurface( ConAx3, SemiAngl, ConRad );

    // changes due to the fact the parameters of the chamfer must go increasing
    // from surface S1 to surface S2
  if ( (dedans && !plandab) || (!dedans && plandab) ) {
    gcon->VReverse();// be carefull : the SemiAngle was changed
    ConAx3 = gcon->Position();
    SemiAngl = gcon->SemiAngle();
  }

      // changes due to the fact we have reversed the V direction of 
      // parametrization
  if (ConAx3.YDirection().Dot(DSp) <= 0.) {
    ConAx3.YReverse();
    gcon->SetPosition(ConAx3);
  }

  Data->ChangeSurf(ChFiKPart_IndexSurfaceInDS(gcon,DStr));


  // compute the chamfer's orientation according to the orientation
  // of the faces

    //search the normal to the cone

  gp_Vec deru, derv;
  ElSLib::ConeD1(0.,0.,ConAx3,ConRad,SemiAngl,Pt,deru,derv);

  gp_Dir norCon(deru.Crossed(derv));
  
  Standard_Boolean toreverse = ( norCon.Dot(norf) <= 0.);
  if (toreverse) {
    Data->ChangeOrientation() = TopAbs_REVERSED; 
  }
  else {
    Data->ChangeOrientation() = TopAbs_FORWARD; 
  }
  
  //we load of the faceInterference with the pcurves and
  // the 3d curves

    // Case of the plane face
    // NB: in the case 'pointu', no pcurve on the plane surface
    // and no intersection plane-chamfer are needed
  Handle(Geom2d_Circle) GCir2dPln;
  Handle(Geom_Circle) GCirPln;
  gp_Ax2 CirAx2 = ConAx3.Ax2();
  CirAx2.SetLocation(PtPl);

  if (!pointu) {

      // intersection plane-chamfer
    gp_Circ CirPln(CirAx2,Rad);
    GCirPln = new Geom_Circle(CirPln);

      //pcurve on the plane
    ElSLib::PlaneParameters(PosPl,Pt ,u,v);
    gp_Pnt2d p2dPln(u,v);
    gp_Dir2d d2d(DSp.Dot(PosPl.XDirection()),DSp.Dot(PosPl.YDirection()));
    gp_Ax22d ax2dPln(pt2dPln, gp_Dir2d(gp_Vec2d(pt2dPln,p2dPln)),d2d);
    gp_Circ2d cir2dPln(ax2dPln,Rad);
    GCir2dPln = new Geom2d_Circle(cir2dPln);
  }

      //pcurve on the chamfer
  gp_Pnt2d p2dch;
  if (plandab) 
    v= -sqrt(Dis1*Dis1+Dis2*Dis2);
  else 
    v = sqrt(Dis1*Dis1+Dis2*Dis2);
  p2dch.SetCoord(0.,v);
  ElSLib::ConeD1(0.,v,ConAx3,ConRad,SemiAngl,Pt,deru,derv);
  gp_Lin2d lin2dch(p2dch,gp::DX2d());
  Handle(Geom2d_Line) GLin2dCh1 = new Geom2d_Line(lin2dch);

      //orientation
  TopAbs_Orientation trans; 
  gp_Dir norpl = PosPl.XDirection().Crossed(PosPl.YDirection());
  toreverse = ( norCon.Dot(norpl) <= 0. );
  if ((toreverse && plandab) || (!toreverse && !plandab)){ 
    trans = TopAbs_FORWARD;
  }
  else { 
    trans = TopAbs_REVERSED; 
  }


  if(plandab){
    Data->ChangeInterferenceOnS1().
      SetInterference(ChFiKPart_IndexCurveInDS(GCirPln,DStr),
		      trans,GCir2dPln,GLin2dCh1);
  }
  else{
    Data->ChangeInterferenceOnS2().
      SetInterference(ChFiKPart_IndexCurveInDS(GCirPln,DStr),
		      trans,GCir2dPln,GLin2dCh1);
  }

    // Case of the cylindrical face

      //intersection cylinder-chamfer
  CirAx2.SetLocation(Or);
  gp_Circ CirCyl(CirAx2,ConRad);
  Handle(Geom_Circle) GCirCyl = new Geom_Circle(CirCyl);

      //pcurve on the chamfer
  p2dch.SetCoord(0.,0.);
  ElSLib::ConeD1(0.,0.,ConAx3,ConRad,SemiAngl,Pt,deru,derv);
  lin2dch.SetLocation(p2dch);
  Handle(Geom2d_Line) GLin2dCh2 = new Geom2d_Line(lin2dch);

      //pcurve on the cylinder
  norCon.SetXYZ (deru.Crossed(derv).XYZ());

  Pt.SetCoord(Or.X()+ConRad*Dx.X(),
	      Or.Y()+ConRad*Dx.Y(),
	      Or.Z()+ConRad*Dx.Z());
  ElSLib::Parameters(Cyl,Pt ,u,v);
  Standard_Real tol = Precision::PConfusion();
  Standard_Boolean careaboutsens = 0;
  if(Abs(lu - fu - 2*M_PI) < tol) careaboutsens = 1;
  if(u >= fu - tol && u < fu) u = fu;
  if(u <= lu + tol && u > lu) u = lu;
  if(u < fu || u > lu) u = ChFiKPart_InPeriod(u,fu,fu + 2*M_PI,tol);

  ElSLib::D1(u,v,Cyl,Pt,deru,derv);
  gp_Dir norcyl = deru.Crossed(derv);
  gp_Dir2d d2dCyl = gp::DX2d();
  if( deru.Dot(Dy) < 0. ){
    d2dCyl.Reverse(); 
    if(careaboutsens && Abs(fu-u)<tol) u = lu;
  }
  else if(careaboutsens && Abs(lu-u)<tol) u = fu;
  gp_Pnt2d p2dCyl(u,v);
  gp_Lin2d lin2dCyl(p2dCyl,d2dCyl);
  Handle(Geom2d_Line) GLin2dCyl = new Geom2d_Line(lin2dCyl);

      //orientation
  toreverse = ( norCon.Dot(norcyl) <= 0. );
  if ((toreverse && plandab) || (!toreverse && !plandab) ) {
    trans = TopAbs_REVERSED;
  }
  else {
    trans = TopAbs_FORWARD;
  }


  if(plandab){
    Data->ChangeInterferenceOnS2().
      SetInterference(ChFiKPart_IndexCurveInDS(GCirCyl,DStr),
		      trans,GLin2dCyl,GLin2dCh2);
  }
  else{
    Data->ChangeInterferenceOnS1().
      SetInterference(ChFiKPart_IndexCurveInDS(GCirCyl,DStr),
		      trans,GLin2dCyl,GLin2dCh2);
  }

  return Standard_True;
}

//=======================================================================
//function : MakeChamfer
//purpose  : case cylinder/plane or plane/cylinder.
//=======================================================================

Standard_Boolean ChFiKPart_MakeChamfer(TopOpeBRepDS_DataStructure& DStr,
				      const Handle(ChFiDS_SurfData)& Data, 
				       const gp_Pln& Pln, 
				       const gp_Cylinder& Cyl, 
				       const Standard_Real /*fu*/,
				       const Standard_Real /*lu*/,
				       const TopAbs_Orientation Or1,
				       const TopAbs_Orientation Or2,
				       const Standard_Real dis1,
				       const Standard_Real dis2,
				       const gp_Lin& Spine, 
				       const Standard_Real First, 
				       const TopAbs_Orientation Ofpl,
				       const Standard_Boolean plandab)
{
  // calculation of the fillet plane.
  // or1 and or2 permit to determine in which of four sides created by
  // intersection of 2 surfaces we are
  //        _|_          Ofpl is orientation of the plane face allowing
  //         |4          to determine the side of the material

  gp_Pnt OrSpine = ElCLib::Value(First,Spine);
  gp_Pnt POnCyl, POnPln, OrCyl;

  gp_Dir XDir = Spine.Direction();
  gp_Ax3 AxPln  = Pln.Position();
  gp_Dir NorPln = AxPln.XDirection().Crossed(AxPln.YDirection());
  gp_Dir NorF(NorPln);
  if (Or1 == TopAbs_REVERSED)
    {NorF.Reverse();} 

  gp_Ax3 AxCyl = Cyl.Position();
  // OrCyl is the point on axis of cylinder in the plane normal to the
  // axis containing OrSpine
  // Project <OrSpine> onto <AxCyl>
  gp_XYZ AxLoc = AxCyl.Location().XYZ(); //aLine.Location().XYZ();
  gp_XYZ AxDir = AxCyl.Direction().XYZ();
  Standard_Real Parameter = (OrSpine.XYZ() - AxLoc) * AxDir;
  OrCyl.SetXYZ( AxLoc + Parameter * AxDir );
 
  //construction of POnPln
  gp_Vec VecTranslPln,tmp;

  tmp = gp_Vec(OrSpine,OrCyl);
  if ((Or2 == TopAbs_FORWARD && Cyl.Direct()) ||
      (Or2 == TopAbs_REVERSED && !Cyl.Direct()))
    {tmp.Reverse();}

  VecTranslPln = gp_Vec( XDir.Crossed(NorPln) );
  if( VecTranslPln.Dot(tmp) <= 0. )
     {VecTranslPln.Reverse();}
  VecTranslPln.Multiply(dis1);

  POnPln.SetXYZ( (OrSpine.XYZ()).Added(VecTranslPln.XYZ()) );

  //construction of POnCyl 
  Standard_Real alpha = ( 2*ASin(dis2*0.5/Cyl.Radius()) );
//  gp_Vec VecTranslCyl;
//  VecTranslCyl = gp_Vec(OrSpine,OrCyl);
 
//  if ( ( XDir.Crossed(gp_Dir(VecTranslCyl)) ).Dot(NorF) <=0. )
//    {VecTranslCyl.Rotate(gp_Ax1(OrSpine,XDir),alpha);}
//  else
//    {VecTranslCyl.Rotate(gp_Ax1(OrSpine,XDir.Reversed()),alpha);}

//  POnCyl.SetXYZ( OrCyl.XYZ().Added(VecTranslCyl.XYZ()) );

  gp_Vec  VecCylTransl = gp_Vec(OrCyl,OrSpine);

  if ( ( XDir.Crossed(gp_Dir(VecCylTransl)) ).Dot(NorF) > 0.) {
    VecCylTransl.Rotate(gp_Ax1(OrCyl,XDir),alpha);
  }
  else { 
    VecCylTransl.Rotate(gp_Ax1(OrCyl,XDir.Reversed()),alpha);}

  POnCyl.SetXYZ( OrCyl.XYZ().Added(VecCylTransl.XYZ()) );

  //construction of chamfer  
  Standard_Real UOnCyl,VOnCyl,UOnPln,VOnPln;
  ElSLib::Parameters(Cyl,POnCyl,UOnCyl,VOnCyl);
  POnCyl = ElSLib::CylinderValue(UOnCyl,VOnCyl,AxCyl,Cyl.Radius());		
  ElSLib::Parameters(Pln,POnPln,UOnPln,VOnPln);
  POnPln = ElSLib::PlaneValue(UOnPln,VOnPln,AxPln);

  //construction of YDir to go to face1 from face2.
  gp_Vec YDir(POnPln,POnCyl);
  if (!plandab){ 
    YDir.Reverse();
  }
  gp_Ax3 AxCh(POnPln,XDir.Crossed(YDir),XDir);

  Handle(Geom_Plane) Chamfer = new Geom_Plane(AxCh);
  Data->ChangeSurf(ChFiKPart_IndexSurfaceInDS(Chamfer,DStr));

  // FaceInterferences are loaded with pcurves and curves 3d.
     //----------- edge plane-Chamfer
  gp_Pnt2d PPln2d(UOnPln,VOnPln);
  gp_Dir2d VPln2d(XDir.Dot(AxPln.XDirection()),
		  XDir.Dot(AxPln.YDirection()));
  gp_Lin2d Lin2dPln(PPln2d,VPln2d);

  POnPln = ElSLib::Value(UOnPln,VOnPln,Pln);
  gp_Lin   C3d(POnPln,XDir);

  Standard_Real U,VOnChamfer;
  ElSLib::PlaneParameters(AxCh,POnPln,U,VOnChamfer);
  gp_Lin2d LOnChamfer(gp_Pnt2d(U,VOnChamfer),gp::DX2d());

  Handle(Geom_Line)   L3d  = new Geom_Line  (C3d);
  Handle(Geom2d_Line) LFac = new Geom2d_Line(Lin2dPln);
  Handle(Geom2d_Line) LFil = new Geom2d_Line(LOnChamfer);

  gp_Dir NorFil=AxCh.Direction();
  Standard_Boolean toreverse = ( NorFil.Dot(NorPln) <= 0. );

  gp_Dir DirPlnCyl(gp_Vec(POnPln, POnCyl));
  gp_Dir DirSPln(gp_Vec(OrSpine, POnPln));
  Standard_Boolean PosChamfPln = DirPlnCyl.Dot(DirSPln) > 0;

  if (PosChamfPln )
    toreverse = !toreverse; 
  // It is checked if the orientation of the Chamfer is the same as of the plane
  if (toreverse)
    {Data->ChangeOrientation() = TopAbs::Reverse(Ofpl);}
  else          
    {Data->ChangeOrientation() = Ofpl;}

  TopAbs_Orientation trans = TopAbs_FORWARD;
  if ((!plandab && toreverse) || (plandab && !toreverse))
    {trans=TopAbs_REVERSED;}
  
  //trans permits to determine the "material" side on S1(2) limited by L3d
  if (plandab) 
    {Data->ChangeInterferenceOnS1().
     SetInterference(ChFiKPart_IndexCurveInDS(L3d,DStr),trans,LFac,LFil);}
  else    
    {Data->ChangeInterferenceOnS2().
     SetInterference(ChFiKPart_IndexCurveInDS(L3d,DStr),trans,LFac,LFil);}
  
     //------------edge cylinder-Chamfer	
  gp_Pnt2d PCyl2d(UOnCyl,VOnCyl);
  gp_Dir2d VCyl2d=gp::DY2d();
  if ( XDir.Dot(AxCyl.Direction())<0 )
    {VCyl2d.Reverse();}
  gp_Lin2d Lin2dCyl(PCyl2d,VCyl2d);

  POnCyl = ElSLib::Value(UOnCyl,VOnCyl,Cyl);
  C3d = gp_Lin(POnCyl,XDir);

  ElSLib::PlaneParameters(AxCh,POnCyl,U,VOnChamfer);
  LOnChamfer = gp_Lin2d(gp_Pnt2d(U,VOnChamfer),gp::DX2d());

  L3d  = new Geom_Line  (C3d);
  LFac = new Geom2d_Line(Lin2dCyl);
  LFil = new Geom2d_Line(LOnChamfer);

  gp_Vec deru,derv;	       
  ElSLib::CylinderD1(UOnCyl,VOnCyl,AxCyl,Cyl.Radius(),POnCyl,deru,derv);
  gp_Dir NorCyl(deru.Crossed(derv));	

  toreverse = ( NorFil.Dot(NorCyl) <= 0. );

  gp_Dir DirSCyl(gp_Vec(OrSpine, POnCyl));
  Standard_Boolean PosChamfCyl = DirPlnCyl.Dot(DirSCyl) < 0;


  if (PosChamfCyl) 
     toreverse = !toreverse; 

  trans = TopAbs_REVERSED;
  if ((!plandab && toreverse) || (plandab && !toreverse))
    {trans=TopAbs_FORWARD;}

  if (plandab) 
    Data->ChangeInterferenceOnS2().
    SetInterference(ChFiKPart_IndexCurveInDS(L3d,DStr),trans,LFac,LFil);
  else    
    Data->ChangeInterferenceOnS1().
    SetInterference(ChFiKPart_IndexCurveInDS(L3d,DStr),trans,LFac,LFil);
  return Standard_True;
}
Commit	Line	Data
b311480e	1	// Created on: 1995-05-19
	2	// Created by: Flore Lantheaume
	3	// Copyright (c) 1995-1999 Matra Datavision
973c2be1	4	// Copyright (c) 1999-2014 OPEN CASCADE SAS
b311480e	5	//
973c2be1	6	// This file is part of Open CASCADE Technology software library.
b311480e	7	//
d5f74e42	8	// This library is free software; you can redistribute it and/or modify it under
d5f74e42	9	// the terms of the GNU Lesser General Public License version 2.1 as published
973c2be1	10	// by the Free Software Foundation, with special exception defined in the file
	11	// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
	12	// distribution for complete text of the license and disclaimer of any warranty.
b311480e	13	//
973c2be1	14	// Alternatively, this file may be used under the terms of Open CASCADE
973c2be1	15	// commercial license or contractual agreement.
7fd59977	16
7fd59977	17
42cf5bc1	18	#include <Adaptor3d_HSurface.hxx>
	19	#include <ChFiDS_Spine.hxx>
	20	#include <ChFiDS_SurfData.hxx>
	21	#include <ChFiKPart_ComputeData.hxx>
	22	#include <ChFiKPart_ComputeData_Fcts.hxx>
7fd59977	23	#include <ElCLib.hxx>
7fd59977	24	#include <ElSLib.hxx>
7fd59977	25	#include <Geom2d_Circle.hxx>
42cf5bc1	26	#include <Geom2d_Line.hxx>
7fd59977	27	#include <Geom_Circle.hxx>
42cf5bc1	28	#include <Geom_ConicalSurface.hxx>
	29	#include <Geom_CylindricalSurface.hxx>
	30	#include <Geom_Line.hxx>
7fd59977	31	#include <Geom_Plane.hxx>
42cf5bc1	32	#include <gp.hxx>
	33	#include <gp_Ax2.hxx>
	34	#include <gp_Ax3.hxx>
	35	#include <gp_Ax22d.hxx>
	36	#include <gp_Circ.hxx>
	37	#include <gp_Circ2d.hxx>
	38	#include <gp_Dir.hxx>
	39	#include <gp_Dir2d.hxx>
	40	#include <gp_Lin2d.hxx>
	41	#include <gp_Pnt.hxx>
	42	#include <gp_Pnt2d.hxx>
	43	#include <gp_Vec.hxx>
7fd59977	44	#include <IntAna_QuadQuadGeo.hxx>
42cf5bc1	45	#include <Precision.hxx>
42cf5bc1	46	#include <TopOpeBRepDS_DataStructure.hxx>
7fd59977	47
7fd59977	48	//pour tester
7fd59977	49	//=======================================================================
	50	//function : MakeChamfer
	51	//purpose : Compute the chamfer in the particular case Plane/Cylinder
	52	// or Cylinder/Plane
	53	// Compute the SurfData <Data> of the chamfer build on the <Spine>
	54	// between the plane <Pln> and the cylinder <Cyl>, with the
	55	// distances <Dis1> on <Pln> and <Dis2> on <Cyl>.
	56	// <Or1> and <Or2> are the orientations of <Pln> and <Cyl>
	57	// and <Ofpl> this of the face carried by <Pln>.
	58	// <First> is the start point on the <Spine>
	59	// <Plandab> is equal to True if the plane is the surface S1
	60	// <fu> and <lu> are the first and last u parameters of the
	61	// cylinder
	62	//out : True if the chanfer has been computed
	63	// False else
	64	//=======================================================================
7fd59977	65	Standard_Boolean ChFiKPart_MakeChamfer(TopOpeBRepDS_DataStructure& DStr,
	66	const Handle(ChFiDS_SurfData)& Data,
	67	const gp_Pln& Pln,
	68	const gp_Cylinder& Cyl,
	69	const Standard_Real fu,
	70	const Standard_Real lu,
	71	const TopAbs_Orientation Or1,
	72	const TopAbs_Orientation Or2,
	73	const Standard_Real Dis1,
	74	const Standard_Real Dis2,
	75	const gp_Circ& Spine,
	76	const Standard_Real First,
	77	const TopAbs_Orientation Ofpl,
	78	const Standard_Boolean plandab)
	79	{
	80
	81	// compute the chamfer surface(cone)
	82
	83	// compute the normals to the plane surface & to the plane face
	84	gp_Ax3 PosPl = Pln.Position();
	85	gp_Dir Dpl = PosPl.XDirection().Crossed(PosPl.YDirection());
	86	gp_Dir norf = Dpl;
	87	if ( Ofpl == TopAbs_REVERSED) norf.Reverse();
	88	if (Or1 == TopAbs_REVERSED) Dpl.Reverse();
	89
	90	// compute the origin Or of the cone
	91	gp_Pnt Or = Cyl.Location();
	92	Standard_Real u,v;
	93	ElSLib::PlaneParameters(PosPl,Or,u,v);
	94	gp_Pnt2d pt2dPln(u,v);
	95	ElSLib::PlaneD0(u,v,PosPl,Or);
	96	gp_Pnt PtPl = Or; // projection of the cylinder origin
	97	//on the plane
	98
	99	gp_Pnt PtSp;//start 3d point on the Spine
	100	gp_Vec DSp; //tangent vector to the spine on PtSp
	101	ElCLib::D1(First,Spine,PtSp,DSp);
	102	gp_Dir Dx(gp_Vec(Or,PtSp));
	103	gp_Dir Dy(DSp);
	104	ElSLib::Parameters(Cyl,PtSp,u,v);
	105	gp_Pnt PtCyl;//point on the cylinder and on the Spine
	106	gp_Vec Vu,Vv;
	107	ElSLib::D1(u,v,Cyl,PtCyl,Vu,Vv);
	108	gp_Dir Dcyl(Vu.Crossed(Vv));//normal to the cylinder in PtSp
	109	if (Or2 == TopAbs_REVERSED) Dcyl.Reverse();
	110	Standard_Boolean dedans = ( Dcyl.Dot(Dx) <= 0.);
	111
	112	Standard_Boolean pointu = Standard_False;
	113	Standard_Real ConRad, Rad, SemiAngl ;
	114	Or.SetCoord(Or.X()+Dis2*Dpl.X(),
	115	Or.Y()+Dis2*Dpl.Y(),
	116	Or.Z()+Dis2*Dpl.Z());
	117
	118	// variables used to compute the semiangle of the cone
	119	gp_Dir Vec1(Or.X()-PtPl.X(), Or.Y()-PtPl.Y(), Or.Z()-PtPl.Z());
	120	gp_Pnt Pt(Or.X()+Dis1*PosPl.XDirection().X(),
	121	Or.Y()+Dis1*PosPl.XDirection().Y(),
	122	Or.Z()+Dis1*PosPl.XDirection().Z());
	123	gp_Dir Vec2( Pt.X()-PtPl.X(), Pt.Y()-PtPl.Y(), Pt.Z()-PtPl.Z());
	124
	125	// compute the parameters of the conical surface
	126	if (dedans) {
	127	Rad = Cyl.Radius()- Dis1;
	128	if ( Abs(Rad) <= Precision::Confusion() ) pointu = Standard_True;
129	if(Rad < 0 ) {
0797d9d3	130	#ifdef OCCT_DEBUG
81bba717	131	cout<<"the chamfer can't pass"<<endl;
63c629aa	132	#endif
7fd59977	133	return Standard_False;
	134	}
	135	}
	136	else {
	137	Rad = Cyl.Radius()+Dis1;
	138	gp_Dir Dplr = Dpl.Reversed();
	139	Dpl = Dplr;
	140	}
	141	ConRad = Cyl.Radius();
	142	SemiAngl = Vec1.Angle(Vec2);
	143	gp_Ax3 ConAx3(Or,Dpl,Dx);
	144
	145	Handle (Geom_ConicalSurface)
	146	gcon = new Geom_ConicalSurface( ConAx3, SemiAngl, ConRad );
	147
	148	// changes due to the fact the parameters of the chamfer must go increasing
	149	// from surface S1 to surface S2
	150	if ( (dedans && !plandab) \|\| (!dedans && plandab) ) {
	151	gcon->VReverse();// be carefull : the SemiAngle was changed
	152	ConAx3 = gcon->Position();
	153	SemiAngl = gcon->SemiAngle();
	154	}
	155
	156	// changes due to the fact we have reversed the V direction of
	157	// parametrization
	158	if (ConAx3.YDirection().Dot(DSp) <= 0.) {
	159	ConAx3.YReverse();
	160	gcon->SetPosition(ConAx3);
	161	}
	162
	163	Data->ChangeSurf(ChFiKPart_IndexSurfaceInDS(gcon,DStr));
	164
	165
	166	// compute the chamfer's orientation according to the orientation
	167	// of the faces
	168
	169	//search the normal to the cone
	170
	171	gp_Vec deru, derv;
	172	ElSLib::ConeD1(0.,0.,ConAx3,ConRad,SemiAngl,Pt,deru,derv);
	173
	174	gp_Dir norCon(deru.Crossed(derv));
	175
	176	Standard_Boolean toreverse = ( norCon.Dot(norf) <= 0.);
	177	if (toreverse) {
	178	Data->ChangeOrientation() = TopAbs_REVERSED;
	179	}
	180	else {
	181	Data->ChangeOrientation() = TopAbs_FORWARD;
	182	}
	183
	184	//we load of the faceInterference with the pcurves and
	185	// the 3d curves
	186
	187	// Case of the plane face
	188	// NB: in the case 'pointu', no pcurve on the plane surface
	189	// and no intersection plane-chamfer are needed
	190	Handle(Geom2d_Circle) GCir2dPln;
	191	Handle(Geom_Circle) GCirPln;
	192	gp_Ax2 CirAx2 = ConAx3.Ax2();
	193	CirAx2.SetLocation(PtPl);
	194
	195	if (!pointu) {
	196
197	// intersection plane-chamfer
198	gp_Circ CirPln(CirAx2,Rad);
199	GCirPln = new Geom_Circle(CirPln);
200
201	//pcurve on the plane
202	ElSLib::PlaneParameters(PosPl,Pt ,u,v);
203	gp_Pnt2d p2dPln(u,v);
204	gp_Dir2d d2d(DSp.Dot(PosPl.XDirection()),DSp.Dot(PosPl.YDirection()));
205	gp_Ax22d ax2dPln(pt2dPln, gp_Dir2d(gp_Vec2d(pt2dPln,p2dPln)),d2d);
206	gp_Circ2d cir2dPln(ax2dPln,Rad);
207	GCir2dPln = new Geom2d_Circle(cir2dPln);
208	}
209
210	//pcurve on the chamfer
211	gp_Pnt2d p2dch;
212	if (plandab)
213	v= -sqrt(Dis1Dis1+Dis2Dis2);
214	else
215	v = sqrt(Dis1Dis1+Dis2Dis2);
216	p2dch.SetCoord(0.,v);
217	ElSLib::ConeD1(0.,v,ConAx3,ConRad,SemiAngl,Pt,deru,derv);
218	gp_Lin2d lin2dch(p2dch,gp::DX2d());
219	Handle(Geom2d_Line) GLin2dCh1 = new Geom2d_Line(lin2dch);
220
221	//orientation
222	TopAbs_Orientation trans;
223	gp_Dir norpl = PosPl.XDirection().Crossed(PosPl.YDirection());
224	toreverse = ( norCon.Dot(norpl) <= 0. );
225	if ((toreverse && plandab) \|\| (!toreverse && !plandab)){
226	trans = TopAbs_FORWARD;
227	}
228	else {
229	trans = TopAbs_REVERSED;
230	}
231
232
233	if(plandab){
234	Data->ChangeInterferenceOnS1().
235	SetInterference(ChFiKPart_IndexCurveInDS(GCirPln,DStr),
236	trans,GCir2dPln,GLin2dCh1);
237	}
238	else{
239	Data->ChangeInterferenceOnS2().
240	SetInterference(ChFiKPart_IndexCurveInDS(GCirPln,DStr),
241	trans,GCir2dPln,GLin2dCh1);
242	}
243
244	// Case of the cylindrical face
245
246	//intersection cylinder-chamfer
247	CirAx2.SetLocation(Or);
248	gp_Circ CirCyl(CirAx2,ConRad);
249	Handle(Geom_Circle) GCirCyl = new Geom_Circle(CirCyl);
250
251	//pcurve on the chamfer
252	p2dch.SetCoord(0.,0.);
253	ElSLib::ConeD1(0.,0.,ConAx3,ConRad,SemiAngl,Pt,deru,derv);
254	lin2dch.SetLocation(p2dch);
255	Handle(Geom2d_Line) GLin2dCh2 = new Geom2d_Line(lin2dch);
256
257	//pcurve on the cylinder
258	norCon.SetXYZ (deru.Crossed(derv).XYZ());
259
260	Pt.SetCoord(Or.X()+ConRad*Dx.X(),
261	Or.Y()+ConRad*Dx.Y(),
262	Or.Z()+ConRad*Dx.Z());
263	ElSLib::Parameters(Cyl,Pt ,u,v);
264	Standard_Real tol = Precision::PConfusion();
265	Standard_Boolean careaboutsens = 0;
c6541a0c	266	if(Abs(lu - fu - 2*M_PI) < tol) careaboutsens = 1;
7fd59977	267	if(u >= fu - tol && u < fu) u = fu;
7fd59977	268	if(u <= lu + tol && u > lu) u = lu;
c6541a0c	269	if(u < fu \|\| u > lu) u = ChFiKPart_InPeriod(u,fu,fu + 2*M_PI,tol);
7fd59977	270
	271	ElSLib::D1(u,v,Cyl,Pt,deru,derv);
	272	gp_Dir norcyl = deru.Crossed(derv);
	273	gp_Dir2d d2dCyl = gp::DX2d();
	274	if( deru.Dot(Dy) < 0. ){
	275	d2dCyl.Reverse();
	276	if(careaboutsens && Abs(fu-u)<tol) u = lu;
	277	}
	278	else if(careaboutsens && Abs(lu-u)<tol) u = fu;
	279	gp_Pnt2d p2dCyl(u,v);
	280	gp_Lin2d lin2dCyl(p2dCyl,d2dCyl);
	281	Handle(Geom2d_Line) GLin2dCyl = new Geom2d_Line(lin2dCyl);
	282
	283	//orientation
	284	toreverse = ( norCon.Dot(norcyl) <= 0. );
	285	if ((toreverse && plandab) \|\| (!toreverse && !plandab) ) {
	286	trans = TopAbs_REVERSED;
	287	}
	288	else {
	289	trans = TopAbs_FORWARD;
	290	}
	291
	292
	293	if(plandab){
	294	Data->ChangeInterferenceOnS2().
	295	SetInterference(ChFiKPart_IndexCurveInDS(GCirCyl,DStr),
	296	trans,GLin2dCyl,GLin2dCh2);
	297	}
	298	else{
	299	Data->ChangeInterferenceOnS1().
	300	SetInterference(ChFiKPart_IndexCurveInDS(GCirCyl,DStr),
	301	trans,GLin2dCyl,GLin2dCh2);
	302	}
	303
	304	return Standard_True;
	305	}
	306
7fd59977	307	//=======================================================================
7fd59977	308	//function : MakeChamfer
81bba717	309	//purpose : case cylinder/plane or plane/cylinder.
7fd59977	310	//=======================================================================
	311
	312	Standard_Boolean ChFiKPart_MakeChamfer(TopOpeBRepDS_DataStructure& DStr,
	313	const Handle(ChFiDS_SurfData)& Data,
	314	const gp_Pln& Pln,
	315	const gp_Cylinder& Cyl,
35e08fe8	316	const Standard_Real /fu/,
35e08fe8	317	const Standard_Real /lu/,
7fd59977	318	const TopAbs_Orientation Or1,
7fd59977	319	const TopAbs_Orientation Or2,
6552f078	320	const Standard_Real dis1,
6552f078	321	const Standard_Real dis2,
7fd59977	322	const gp_Lin& Spine,
	323	const Standard_Real First,
	324	const TopAbs_Orientation Ofpl,
	325	const Standard_Boolean plandab)
	326	{
81bba717	327	// calculation of the fillet plane.
	328	// or1 and or2 permit to determine in which of four sides created by
	329	// intersection of 2 surfaces we are
	330	// _\|_ Ofpl is orientation of the plane face allowing
	331	// \|4 to determine the side of the material
	332
7fd59977	333	gp_Pnt OrSpine = ElCLib::Value(First,Spine);
	334	gp_Pnt POnCyl, POnPln, OrCyl;
	335
	336	gp_Dir XDir = Spine.Direction();
	337	gp_Ax3 AxPln = Pln.Position();
	338	gp_Dir NorPln = AxPln.XDirection().Crossed(AxPln.YDirection());
	339	gp_Dir NorF(NorPln);
	340	if (Or1 == TopAbs_REVERSED)
	341	{NorF.Reverse();}
	342
	343	gp_Ax3 AxCyl = Cyl.Position();
81bba717	344	// OrCyl is the point on axis of cylinder in the plane normal to the
81bba717	345	// axis containing OrSpine
12945d77	346	// Project <OrSpine> onto <AxCyl>
	347	gp_XYZ AxLoc = AxCyl.Location().XYZ(); //aLine.Location().XYZ();
	348	gp_XYZ AxDir = AxCyl.Direction().XYZ();
	349	Standard_Real Parameter = (OrSpine.XYZ() - AxLoc) * AxDir;
	350	OrCyl.SetXYZ( AxLoc + Parameter * AxDir );
7fd59977	351
81bba717	352	//construction of POnPln
7fd59977	353	gp_Vec VecTranslPln,tmp;
	354
	355	tmp = gp_Vec(OrSpine,OrCyl);
	356	if ((Or2 == TopAbs_FORWARD && Cyl.Direct()) \|\|
	357	(Or2 == TopAbs_REVERSED && !Cyl.Direct()))
	358	{tmp.Reverse();}
	359
	360	VecTranslPln = gp_Vec( XDir.Crossed(NorPln) );
	361	if( VecTranslPln.Dot(tmp) <= 0. )
	362	{VecTranslPln.Reverse();}
	363	VecTranslPln.Multiply(dis1);
	364
	365	POnPln.SetXYZ( (OrSpine.XYZ()).Added(VecTranslPln.XYZ()) );
	366
81bba717	367	//construction of POnCyl
7fd59977	368	Standard_Real alpha = ( 2ASin(dis20.5/Cyl.Radius()) );
	369	// gp_Vec VecTranslCyl;
	370	// VecTranslCyl = gp_Vec(OrSpine,OrCyl);
	371
	372	// if ( ( XDir.Crossed(gp_Dir(VecTranslCyl)) ).Dot(NorF) <=0. )
	373	// {VecTranslCyl.Rotate(gp_Ax1(OrSpine,XDir),alpha);}
	374	// else
	375	// {VecTranslCyl.Rotate(gp_Ax1(OrSpine,XDir.Reversed()),alpha);}
	376
	377	// POnCyl.SetXYZ( OrCyl.XYZ().Added(VecTranslCyl.XYZ()) );
	378
	379	gp_Vec VecCylTransl = gp_Vec(OrCyl,OrSpine);
	380
	381	if ( ( XDir.Crossed(gp_Dir(VecCylTransl)) ).Dot(NorF) > 0.) {
	382	VecCylTransl.Rotate(gp_Ax1(OrCyl,XDir),alpha);
	383	}
	384	else {
	385	VecCylTransl.Rotate(gp_Ax1(OrCyl,XDir.Reversed()),alpha);}
	386
	387	POnCyl.SetXYZ( OrCyl.XYZ().Added(VecCylTransl.XYZ()) );
	388
81bba717	389	//construction of chamfer
7fd59977	390	Standard_Real UOnCyl,VOnCyl,UOnPln,VOnPln;
	391	ElSLib::Parameters(Cyl,POnCyl,UOnCyl,VOnCyl);
	392	POnCyl = ElSLib::CylinderValue(UOnCyl,VOnCyl,AxCyl,Cyl.Radius());
	393	ElSLib::Parameters(Pln,POnPln,UOnPln,VOnPln);
	394	POnPln = ElSLib::PlaneValue(UOnPln,VOnPln,AxPln);
	395
81bba717	396	//construction of YDir to go to face1 from face2.
7fd59977	397	gp_Vec YDir(POnPln,POnCyl);
	398	if (!plandab){
	399	YDir.Reverse();
	400	}
	401	gp_Ax3 AxCh(POnPln,XDir.Crossed(YDir),XDir);
	402
	403	Handle(Geom_Plane) Chamfer = new Geom_Plane(AxCh);
	404	Data->ChangeSurf(ChFiKPart_IndexSurfaceInDS(Chamfer,DStr));
	405
81bba717	406	// FaceInterferences are loaded with pcurves and curves 3d.
81bba717	407	//----------- edge plane-Chamfer
7fd59977	408	gp_Pnt2d PPln2d(UOnPln,VOnPln);
	409	gp_Dir2d VPln2d(XDir.Dot(AxPln.XDirection()),
	410	XDir.Dot(AxPln.YDirection()));
	411	gp_Lin2d Lin2dPln(PPln2d,VPln2d);
	412
	413	POnPln = ElSLib::Value(UOnPln,VOnPln,Pln);
	414	gp_Lin C3d(POnPln,XDir);
	415
	416	Standard_Real U,VOnChamfer;
	417	ElSLib::PlaneParameters(AxCh,POnPln,U,VOnChamfer);
	418	gp_Lin2d LOnChamfer(gp_Pnt2d(U,VOnChamfer),gp::DX2d());
	419
	420	Handle(Geom_Line) L3d = new Geom_Line (C3d);
	421	Handle(Geom2d_Line) LFac = new Geom2d_Line(Lin2dPln);
	422	Handle(Geom2d_Line) LFil = new Geom2d_Line(LOnChamfer);
	423
	424	gp_Dir NorFil=AxCh.Direction();
	425	Standard_Boolean toreverse = ( NorFil.Dot(NorPln) <= 0. );
	426
	427	gp_Dir DirPlnCyl(gp_Vec(POnPln, POnCyl));
	428	gp_Dir DirSPln(gp_Vec(OrSpine, POnPln));
	429	Standard_Boolean PosChamfPln = DirPlnCyl.Dot(DirSPln) > 0;
	430
	431	if (PosChamfPln )
	432	toreverse = !toreverse;
81bba717	433	// It is checked if the orientation of the Chamfer is the same as of the plane
7fd59977	434	if (toreverse)
	435	{Data->ChangeOrientation() = TopAbs::Reverse(Ofpl);}
	436	else
	437	{Data->ChangeOrientation() = Ofpl;}
	438
	439	TopAbs_Orientation trans = TopAbs_FORWARD;
	440	if ((!plandab && toreverse) \|\| (plandab && !toreverse))
	441	{trans=TopAbs_REVERSED;}
	442
81bba717	443	//trans permits to determine the "material" side on S1(2) limited by L3d
7fd59977	444	if (plandab)
	445	{Data->ChangeInterferenceOnS1().
	446	SetInterference(ChFiKPart_IndexCurveInDS(L3d,DStr),trans,LFac,LFil);}
	447	else
	448	{Data->ChangeInterferenceOnS2().
	449	SetInterference(ChFiKPart_IndexCurveInDS(L3d,DStr),trans,LFac,LFil);}
	450
81bba717	451	//------------edge cylinder-Chamfer
7fd59977	452	gp_Pnt2d PCyl2d(UOnCyl,VOnCyl);
	453	gp_Dir2d VCyl2d=gp::DY2d();
	454	if ( XDir.Dot(AxCyl.Direction())<0 )
	455	{VCyl2d.Reverse();}
	456	gp_Lin2d Lin2dCyl(PCyl2d,VCyl2d);
	457
	458	POnCyl = ElSLib::Value(UOnCyl,VOnCyl,Cyl);
	459	C3d = gp_Lin(POnCyl,XDir);
	460
	461	ElSLib::PlaneParameters(AxCh,POnCyl,U,VOnChamfer);
	462	LOnChamfer = gp_Lin2d(gp_Pnt2d(U,VOnChamfer),gp::DX2d());
	463
	464	L3d = new Geom_Line (C3d);
	465	LFac = new Geom2d_Line(Lin2dCyl);
	466	LFil = new Geom2d_Line(LOnChamfer);
	467
	468	gp_Vec deru,derv;
	469	ElSLib::CylinderD1(UOnCyl,VOnCyl,AxCyl,Cyl.Radius(),POnCyl,deru,derv);
	470	gp_Dir NorCyl(deru.Crossed(derv));
	471
	472	toreverse = ( NorFil.Dot(NorCyl) <= 0. );
	473
	474	gp_Dir DirSCyl(gp_Vec(OrSpine, POnCyl));
	475	Standard_Boolean PosChamfCyl = DirPlnCyl.Dot(DirSCyl) < 0;
	476
	477
	478	if (PosChamfCyl)
	479	toreverse = !toreverse;
	480
	481	trans = TopAbs_REVERSED;
	482	if ((!plandab && toreverse) \|\| (plandab && !toreverse))
	483	{trans=TopAbs_FORWARD;}
	484
	485	if (plandab)
	486	Data->ChangeInterferenceOnS2().
	487	SetInterference(ChFiKPart_IndexCurveInDS(L3d,DStr),trans,LFac,LFil);
	488	else
	489	Data->ChangeInterferenceOnS1().
	490	SetInterference(ChFiKPart_IndexCurveInDS(L3d,DStr),trans,LFac,LFil);
	491	return Standard_True;
	492	}
	493
	494
	495
	496