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42cf5bc1ca
Automatic upgrade of OCCT code by command "occt_upgrade . -nocdl": - WOK-generated header files from inc and sources from drv are moved to src - CDL files removed - All packages are converted to nocdlpack
102 lines
3.0 KiB
C++
102 lines
3.0 KiB
C++
// Created on: 1994-03-23
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// Created by: Jean Marc LACHAUME
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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 <ElCLib.hxx>
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#include <Geom2d_Line.hxx>
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#include <Geom2dAdaptor_Curve.hxx>
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#include <Geom2dHatch_Intersector.hxx>
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#include <Geom2dLProp_CLProps2d.hxx>
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#include <gp_Dir2d.hxx>
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#include <gp_Lin2d.hxx>
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#include <Precision.hxx>
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//=======================================================================
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//function : Geom2dHatch_Intersector
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//purpose :
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//=======================================================================
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Geom2dHatch_Intersector::Geom2dHatch_Intersector() :
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myConfusionTolerance(0.0),
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myTangencyTolerance(0.0)
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{
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}
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//=======================================================================
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//function : Perform
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//purpose :
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//=======================================================================
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void Geom2dHatch_Intersector::Perform(const gp_Lin2d& L,
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const Standard_Real P,
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const Standard_Real Tol,
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const Geom2dAdaptor_Curve& C)
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{
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//Standard_Real pfbid,plbid;
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IntRes2d_Domain DL;
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if(P!=RealLast())
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DL.SetValues(L.Location(),0.,Tol,ElCLib::Value(P,L),P,Tol);
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else
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DL.SetValues(L.Location(),0.,Tol,Standard_True);
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IntRes2d_Domain DE(C.Value(C.FirstParameter()),
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C.FirstParameter(),Precision::PIntersection(),
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C.Value(C.LastParameter()),
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C.LastParameter(),Precision::PIntersection());
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Handle(Geom2d_Line) GL= new Geom2d_Line(L);
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Geom2dAdaptor_Curve CGA(GL);
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void *ptrpoureviterlesproblemesdeconst = (void *)(&C);
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Geom2dInt_GInter Inter(CGA,
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DL,
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*((Geom2dAdaptor_Curve *)ptrpoureviterlesproblemesdeconst),
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DE,
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Precision::PConfusion(),
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Precision::PIntersection());
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this->SetValues(Inter);
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}
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//=======================================================================
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//function : LocalGeometry
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//purpose :
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//=======================================================================
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void Geom2dHatch_Intersector::LocalGeometry(const Geom2dAdaptor_Curve& E,
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const Standard_Real U,
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gp_Dir2d& Tang,
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gp_Dir2d& Norm,
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Standard_Real& C) const
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{
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//Standard_Real f,l;
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Geom2dLProp_CLProps2d Prop(E.Curve(),U,2,Precision::PConfusion());
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if(!Prop.IsTangentDefined()) return;
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Prop.Tangent(Tang);
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C = Prop.Curvature();
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if (C > Precision::PConfusion() && C<RealLast())
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Prop.Normal(Norm);
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else
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Norm.SetCoord(Tang.Y(),-Tang.X());
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}
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