geom/src/NMTDS/NMTDS_Tools.cxx
2010-05-07 13:25:17 +00:00

173 lines
4.9 KiB
C++

// Copyright (C) 2007-2010 CEA/DEN, EDF R&D, OPEN CASCADE
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
// File: NMTDS_Tools.cxx
// Created: Tue Feb 20 14:57:28 2007
// Author: Peter KURNEV
// <pkv@irinox>
//
#include <NMTDS_Tools.ixx>
#include <TopoDS_Vertex.hxx>
#include <gp_Pnt.hxx>
#include <BRep_Tool.hxx>
#include <TopoDS_Shape.hxx>
#include <TopTools_IndexedDataMapOfShapeShape.hxx>
#include <TopAbs_ShapeEnum.hxx>
#include <TopoDS_Iterator.hxx>
#include <BRep_Builder.hxx>
void CopySource(const TopoDS_Shape& aS,
TopTools_IndexedDataMapOfShapeShape& aMapSS,
TopoDS_Shape& aSC);
//=======================================================================
//function : CopyShape
//purpose :
//=======================================================================
void NMTDS_Tools::CopyShape(const TopoDS_Shape& aS,
TopoDS_Shape& aSC)
{
TopTools_IndexedDataMapOfShapeShape aMapSS;
//
CopySource(aS, aMapSS, aSC);
}
//=======================================================================
//function : CopyShape
//purpose :
//=======================================================================
void NMTDS_Tools::CopyShape(const TopoDS_Shape& aS,
TopoDS_Shape& aSC,
TopTools_IndexedDataMapOfShapeShape& aMapSS)
{
CopySource(aS, aMapSS, aSC);
}
//=======================================================================
//function : CopySource
//purpose :
//=======================================================================
void CopySource(const TopoDS_Shape& aS,
TopTools_IndexedDataMapOfShapeShape& aMapSS,
TopoDS_Shape& aSC)
{
Standard_Boolean bFree;
TopAbs_ShapeEnum aT;
TopoDS_Iterator aIt;
BRep_Builder BB;
//
aT=aS.ShapeType();
//
if (aMapSS.Contains(aS)) {
aSC=aMapSS.ChangeFromKey(aS);
aSC.Orientation(aS.Orientation());
return;
}
else {
aSC=aS.EmptyCopied();
aMapSS.Add(aS, aSC);
}
//
bFree=aSC.Free();
aSC.Free(Standard_True);
aIt.Initialize(aS);
for (; aIt.More(); aIt.Next()) {
TopoDS_Shape aSCx;
//
const TopoDS_Shape& aSx=aIt.Value();
//
CopySource (aSx, aMapSS, aSCx);
//
aSCx.Orientation(aSx.Orientation());
BB.Add(aSC, aSCx);
}
aSC.Free(bFree);
}
//=======================================================================
// function: ComputeVV
// purpose:
//=======================================================================
Standard_Integer NMTDS_Tools::ComputeVV(const TopoDS_Vertex& aV1,
const TopoDS_Vertex& aV2)
{
Standard_Real aTolV1, aTolV2, aTolSum, aTolSum2, aD2;
gp_Pnt aP1, aP2;
//
aTolV1=BRep_Tool::Tolerance(aV1);
aTolV2=BRep_Tool::Tolerance(aV2);
aTolSum=aTolV1+aTolV2;
aTolSum2=aTolSum*aTolSum;
//
aP1=BRep_Tool::Pnt(aV1);
aP2=BRep_Tool::Pnt(aV2);
//
aD2=aP1.SquareDistance(aP2);
if (aD2>aTolSum2) {
return -1;
}
return 0;
}
//=======================================================================
// function: HasBRep
// purpose:
//=======================================================================
Standard_Boolean NMTDS_Tools::HasBRep(const TopAbs_ShapeEnum aTi)
{
return (aTi==TopAbs_VERTEX || aTi==TopAbs_EDGE || aTi==TopAbs_FACE);
}
//=======================================================================
//function : TypeToInteger
//purpose :
//=======================================================================
Standard_Integer NMTDS_Tools::TypeToInteger(const TopAbs_ShapeEnum aType1,
const TopAbs_ShapeEnum aType2)
{
Standard_Integer iRet, iT1, iT2, iX;
//
iRet=-1;
iT1=(Standard_Integer)aType1;
iT2=(Standard_Integer)aType2;
//
iX=iT2*10+iT1;
switch (iX) {
case 77:
iRet=5; // VV
break;
case 76:
case 67:
iRet=4; // VE
break;
case 74:
case 47:
iRet=2; // VF
break;
case 66:
iRet=3; // EE
break;
case 64:
case 46:
iRet=1; // EF
break;
case 44:
iRet=0; // FF
break;
default:
break;
}
return iRet;
}