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// File: ChFiKPart_CompData_PlnPln.cxx
// Created: Thu Feb 3 15:01:51 1994
// Author: Isabelle GRIGNON
// <isg@zerox>
#include <ChFiKPart_ComputeData.jxx>
#include <Precision.hxx>
#include <gp.hxx>
#include <gp_Pnt2d.hxx>
#include <gp_Dir2d.hxx>
#include <gp_Lin2d.hxx>
#include <gp_Pnt.hxx>
#include <gp_Dir.hxx>
#include <gp_Vec.hxx>
#include <gp_Lin.hxx>
#include <gp_Ax2.hxx>
#include <gp_Ax3.hxx>
#include <gp_Pln.hxx>
#include <gp_Cylinder.hxx>
#include <ElCLib.hxx>
#include <ElSLib.hxx>
#include <Geom2d_Line.hxx>
#include <Geom_Line.hxx>
#include <Geom_CylindricalSurface.hxx>
#include <IntAna_QuadQuadGeo.hxx>
#include <ChFiKPart_ComputeData_Fcts.hxx>
//=======================================================================
//function : MakeFillet
//Purpose : cas plan/plan.
//=======================================================================
Standard_Boolean ChFiKPart_MakeFillet(TopOpeBRepDS_DataStructure& DStr,
const Handle(ChFiDS_SurfData)& Data,
const gp_Pln& Pl1,
const gp_Pln& Pl2,
const TopAbs_Orientation Or1,
const TopAbs_Orientation Or2,
const Standard_Real Radius,
const gp_Lin& Spine,
const Standard_Real First,
const TopAbs_Orientation Of1)
{
//calcul du cylindre
gp_Ax3 Pos1 = Pl1.Position();
gp_Dir D1 = Pos1.XDirection().Crossed(Pos1.YDirection());
if (Or1 == TopAbs_REVERSED) { D1.Reverse(); }
gp_Ax3 Pos2 = Pl2.Position();
gp_Dir D2 = Pos2.XDirection().Crossed(Pos2.YDirection());
if (Or2 == TopAbs_REVERSED) { D2.Reverse(); }
IntAna_QuadQuadGeo LInt (Pl1,Pl2,Precision::Angular(),
Precision::Confusion());
gp_Pnt Pv;
if (LInt.IsDone()) {
//On met l origine du cylindre au point de depart fourni sur la
//ligne guide.
Pv = ElCLib::Value(ElCLib::Parameter(LInt.Line(1),
ElCLib::Value(First,Spine)),
LInt.Line(1));
}
else { return Standard_False; }
gp_Dir AxisCylinder = Spine.Direction();
Standard_Real Ang = D1.Angle(D2);
gp_Vec V = gp_Vec(D1)+gp_Vec(D2);
gp_Dir S(V);
gp_Pnt C;
Standard_Real Fac = Radius/Cos(Ang/2.);
C.SetCoord(Pv.X()+Fac*S.X(),Pv.Y()+Fac*S.Y(),Pv.Z()+Fac*S.Z());
gp_Dir xdir = D1.Reversed();
gp_Ax3 CylAx3(C,AxisCylinder,xdir);
if (CylAx3.YDirection().Dot(D2) >= 0.){ CylAx3.YReverse(); }
Handle(Geom_CylindricalSurface)
gcyl = new Geom_CylindricalSurface(CylAx3,Radius);
Data->ChangeSurf(ChFiKPart_IndexSurfaceInDS(gcyl,DStr));
// On regarde si l orientation du cylindre est la meme que celle
// des faces.
gp_Pnt P;
gp_Vec deru,derv;
ElSLib::CylinderD1(0.,0.,CylAx3,Radius,P,deru,derv);
gp_Dir norcyl(deru.Crossed(derv));
gp_Dir norpl = Pos1.XDirection().Crossed(Pos1.YDirection());
gp_Dir norface = norpl;
if (Of1 == TopAbs_REVERSED ) { norface.Reverse(); }
Standard_Boolean toreverse = ( norcyl.Dot(norface) <= 0. );
if (toreverse) { Data->ChangeOrientation() = TopAbs_REVERSED; }
else { Data->ChangeOrientation() = TopAbs_FORWARD; }
// On charge les FaceInterferences avec les pcurves et courbes 3d.
Standard_Real u,v;
// La face 1.
ElSLib::PlaneParameters(Pos1,P,u,v);
gp_Pnt2d p2dPln(u,v);
gp_Dir2d dir2dPln(AxisCylinder.Dot(Pos1.XDirection()),
AxisCylinder.Dot(Pos1.YDirection()));
gp_Lin2d lin2dPln(p2dPln,dir2dPln);
Handle(Geom2d_Line) GLin2dPln1 = new Geom2d_Line(lin2dPln);
gp_Lin linPln(P,AxisCylinder);
Handle(Geom_Line) GLinPln1 = new Geom_Line(linPln);
gp_Lin2d lin2dCyl(gp_Pnt2d(0.,0.),gp::DY2d());
Handle(Geom2d_Line) GLin2dCyl1 = new Geom2d_Line(lin2dCyl);
TopAbs_Orientation trans;
toreverse = ( norcyl.Dot(norpl) <= 0. );
if (toreverse){ trans = TopAbs_REVERSED; }
else { trans = TopAbs_FORWARD; }
Data->ChangeInterferenceOnS1().
SetInterference(ChFiKPart_IndexCurveInDS(GLinPln1,DStr),
trans,GLin2dPln1,GLin2dCyl1);
// La face 2.
ElSLib::CylinderD1(Ang,0.,CylAx3,Radius,P,deru,derv);
norcyl = deru.Crossed(derv);
norpl = Pos2.XDirection().Crossed(Pos2.YDirection());
toreverse = ( norcyl.Dot(norpl) <= 0. );
ElSLib::PlaneParameters(Pos2,P,u,v);
p2dPln.SetCoord(u,v);
dir2dPln.SetCoord(AxisCylinder.Dot(Pos2.XDirection()),
AxisCylinder.Dot(Pos2.YDirection()));
lin2dPln.SetLocation(p2dPln);
lin2dPln.SetDirection(dir2dPln);
Handle(Geom2d_Line) GLin2dPln2 = new Geom2d_Line(lin2dPln);
linPln.SetLocation(P);
linPln.SetDirection(AxisCylinder);
Handle(Geom_Line) GLinPln2 = new Geom_Line(linPln);
lin2dCyl.SetLocation(gp_Pnt2d(Ang,0.));
Handle(Geom2d_Line) GLin2dCyl2 = new Geom2d_Line(lin2dCyl);
if (toreverse){ trans = TopAbs_FORWARD; }
else { trans = TopAbs_REVERSED; }
Data->ChangeInterferenceOnS2().
SetInterference(ChFiKPart_IndexCurveInDS(GLinPln2,DStr),
trans,GLin2dPln2,GLin2dCyl2);
return Standard_True;
}
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