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150 lines
5.2 KiB
C++
150 lines
5.2 KiB
C++
// Created on: 1994-06-27
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// Created by: Laurent BOURESCHE
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// Copyright (c) 1994-1999 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 <Adaptor3d_Surface.hxx>
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#include <ChFiDS_SurfData.hxx>
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#include <ChFiKPart_ComputeData.hxx>
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#include <ChFiKPart_ComputeData_Fcts.hxx>
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#include <ElCLib.hxx>
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#include <ElSLib.hxx>
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#include <Geom2d_Circle.hxx>
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#include <Geom2d_Line.hxx>
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#include <Geom_Circle.hxx>
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#include <Geom_ToroidalSurface.hxx>
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#include <gp.hxx>
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#include <gp_Ax2.hxx>
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#include <gp_Ax3.hxx>
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#include <gp_Ax22d.hxx>
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#include <gp_Dir.hxx>
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#include <gp_Dir2d.hxx>
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#include <gp_Pln.hxx>
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#include <gp_Pnt.hxx>
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#include <gp_Pnt2d.hxx>
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#include <gp_Vec.hxx>
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#include <IntAna_QuadQuadGeo.hxx>
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#include <Precision.hxx>
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#include <TopOpeBRepDS_DataStructure.hxx>
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//=======================================================================
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//function : MakeRotule
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//Purpose : cas plan/plan.
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//=======================================================================
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Standard_Boolean ChFiKPart_MakeRotule(TopOpeBRepDS_DataStructure& DStr,
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const Handle(ChFiDS_SurfData)& Data,
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const gp_Pln& pl,
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const gp_Pln& pl1,
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const gp_Pln& pl2,
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const TopAbs_Orientation opl,
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const TopAbs_Orientation opl1,
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const TopAbs_Orientation opl2,
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const Standard_Real r,
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const TopAbs_Orientation ofpl)
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{
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//calcul du tore.
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//---------------
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gp_Ax3 pos = pl.Position();
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gp_Dir dpl = pos.XDirection().Crossed(pos.YDirection());
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gp_Dir dfpl = dpl;
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gp_Dir dplnat = dpl;
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if (opl == TopAbs_REVERSED) { dpl.Reverse(); }
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if (ofpl == TopAbs_REVERSED) { dfpl.Reverse(); }
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pos = pl1.Position();
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gp_Dir dpl1 = pos.XDirection().Crossed(pos.YDirection());
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if (opl1 == TopAbs_REVERSED) { dpl1.Reverse(); }
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pos = pl2.Position();
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gp_Dir dpl2 = pos.XDirection().Crossed(pos.YDirection());
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if (opl2 == TopAbs_REVERSED) { dpl2.Reverse(); }
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Standard_Real alpha = dpl1.Angle(dpl2);
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IntAna_QuadQuadGeo LInt (pl1,pl2,Precision::Angular(),
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Precision::Confusion());
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gp_Pnt ptor,pcirc;
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if (LInt.IsDone()) {
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pcirc = ElCLib::Value(ElCLib::Parameter(LInt.Line(1),pl.Location()),
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LInt.Line(1));
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ptor.SetCoord(pcirc.X()+r*dpl.X(),
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pcirc.Y()+r*dpl.Y(),
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pcirc.Z()+r*dpl.Z());
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}
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else { return Standard_False; }
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gp_Ax3 ppos(ptor,dpl.Reversed(),dpl1);
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if(ppos.YDirection().Dot(dpl2) < 0.) ppos.YReverse();
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Handle(Geom_ToroidalSurface)
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gtor = new Geom_ToroidalSurface(ppos,r,r);
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Data->ChangeSurf(ChFiKPart_IndexSurfaceInDS(gtor,DStr));
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//on compare l orientation du tore a celle de la face en bout.
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//------------------------------------------------------------
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gp_Pnt pp;
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gp_Vec du,dv;
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ElSLib::TorusD1(0.,M_PI/2,ppos,r,r,pp,du,dv);
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gp_Dir drot(du.Crossed(dv));
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Standard_Boolean reversecur = ( drot.Dot(dplnat) <= 0. );
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Standard_Boolean reversefil = ( drot.Dot(dfpl) <= 0. );
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if (reversefil) { Data->ChangeOrientation() = TopAbs_REVERSED; }
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else { Data->ChangeOrientation() = TopAbs_FORWARD; }
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//on charge les FaceInterferences avec les pcurves et courbes 3d.
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//-----------------------------------------------------------------
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//du cote du plan
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//---------------
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gp_Ax2 circAx2 = ppos.Ax2();
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circAx2.SetLocation(pcirc);
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Handle(Geom_Circle) GC = new Geom_Circle(circAx2,r);
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Standard_Real u,v;
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ElSLib::Parameters(pl,pcirc,u,v);
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gp_Pnt2d p2dcirc(u,v);
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gp_Dir2d dx2d(dpl1.Dot(pl.Position().XDirection()),
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dpl1.Dot(pl.Position().YDirection()));
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gp_Dir2d dy2d(ppos.YDirection().Dot(pl.Position().XDirection()),
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ppos.YDirection().Dot(pl.Position().YDirection()));
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gp_Ax22d circ2dax(p2dcirc,dx2d,dy2d);
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Handle(Geom2d_Circle) GC2d = new Geom2d_Circle(circ2dax,r);
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gp_Pnt2d p2dlin(0.,M_PI/2);
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Handle(Geom2d_Line) GL2d = new Geom2d_Line(p2dlin,gp::DX2d());
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TopAbs_Orientation trans = TopAbs_REVERSED;
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if (reversecur) trans = TopAbs_FORWARD;
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Data->ChangeInterferenceOnS1().
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SetInterference(ChFiKPart_IndexCurveInDS(GC,DStr),trans,GC2d,GL2d);
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//du cote pointu
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//--------------
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Handle(Geom_Curve) bid;
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Handle(Geom2d_Curve) bid2d;
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p2dlin.SetCoord(0.,M_PI);
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Handle(Geom2d_Line) GL2dcoin = new Geom2d_Line(p2dlin,gp::DX2d());
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Data->ChangeInterferenceOnS2().
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SetInterference(ChFiKPart_IndexCurveInDS(bid,DStr),trans,bid2d,GL2dcoin);
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//et les points
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//-------------
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Data->ChangeVertexFirstOnS1().SetPoint(pp);
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ElSLib::TorusD0(alpha,M_PI/2,ppos,r,r,pp);
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Data->ChangeVertexLastOnS1().SetPoint(pp);
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Data->ChangeInterferenceOnS1().SetFirstParameter(0.);
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Data->ChangeInterferenceOnS1().SetLastParameter(alpha);
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Data->ChangeInterferenceOnS2().SetFirstParameter(0.);
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Data->ChangeInterferenceOnS2().SetLastParameter(alpha);
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return Standard_True;
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}
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