smesh/src/StdMeshers/StdMeshers_MaxElementVolume.cxx

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// Copyright (C) 2007-2008 CEA/DEN, EDF R&D, OPEN CASCADE
//
// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
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//
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// 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.
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//
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// 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.
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//
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// 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
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//
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// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
// SMESH SMESH : implementaion of SMESH idl descriptions
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// File : StdMeshers_MaxElementVolume.cxx
// Moved here from SMESH_MaxElementVolume.cxx
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// Author : Paul RASCLE, EDF
// Module : SMESH
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//
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#include "StdMeshers_MaxElementVolume.hxx"
#include "SMDS_MeshElement.hxx"
#include "SMESHDS_SubMesh.hxx"
#include "SMESH_ControlsDef.hxx"
#include "SMESH_Mesh.hxx"
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#include "utilities.h"
#include <TopExp.hxx>
#include <TopExp_Explorer.hxx>
#include <TopTools_IndexedMapOfShape.hxx>
using namespace std;
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//=============================================================================
/*!
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*
*/
//=============================================================================
StdMeshers_MaxElementVolume::StdMeshers_MaxElementVolume(int hypId, int studyId, SMESH_Gen* gen)
: SMESH_Hypothesis(hypId, studyId, gen)
{
_maxVolume = 1.;
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_name = "MaxElementVolume";
_param_algo_dim = 3;
}
//=============================================================================
/*!
*
*/
//=============================================================================
StdMeshers_MaxElementVolume::~StdMeshers_MaxElementVolume()
{
MESSAGE("StdMeshers_MaxElementVolume::~StdMeshers_MaxElementVolume");
}
//=============================================================================
/*!
*
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*/
//=============================================================================
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void StdMeshers_MaxElementVolume::SetMaxVolume(double maxVolume)
throw (SALOME_Exception)
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{
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double oldVolume = _maxVolume;
if (maxVolume <= 0)
throw SALOME_Exception(LOCALIZED("maxVolume must be positive"));
_maxVolume = maxVolume;
if (_maxVolume != oldVolume)
NotifySubMeshesHypothesisModification();
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}
//=============================================================================
/*!
*
*/
//=============================================================================
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double StdMeshers_MaxElementVolume::GetMaxVolume() const
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{
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return _maxVolume;
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}
//=============================================================================
/*!
*
*/
//=============================================================================
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ostream & StdMeshers_MaxElementVolume::SaveTo(ostream & save)
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{
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save << this->_maxVolume;
return save;
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}
//=============================================================================
/*!
*
*/
//=============================================================================
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istream & StdMeshers_MaxElementVolume::LoadFrom(istream & load)
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{
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bool isOK = true;
double a;
isOK = (load >> a);
if (isOK)
this->_maxVolume = a;
else
load.clear(ios::badbit | load.rdstate());
return load;
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}
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//=============================================================================
/*!
*
*/
//=============================================================================
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ostream & operator << (ostream & save, StdMeshers_MaxElementVolume & hyp)
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{
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return hyp.SaveTo( save );
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}
//=============================================================================
/*!
*
*/
//=============================================================================
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istream & operator >> (istream & load, StdMeshers_MaxElementVolume & hyp)
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{
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return hyp.LoadFrom( load );
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}
//================================================================================
/*!
* \brief Initialize maximal area by the mesh built on the geometry
* \param theMesh - the built mesh
* \param theShape - the geometry of interest
* \retval bool - true if parameter values have been successfully defined
*/
//================================================================================
bool StdMeshers_MaxElementVolume::SetParametersByMesh(const SMESH_Mesh* theMesh,
const TopoDS_Shape& theShape)
{
if ( !theMesh || theShape.IsNull() )
return false;
_maxVolume = 0;
SMESH::Controls::Volume volumeControl;
TopTools_IndexedMapOfShape volMap;
TopExp::MapShapes( theShape, TopAbs_SOLID, volMap );
if ( volMap.IsEmpty() )
TopExp::MapShapes( theShape, TopAbs_SHELL, volMap );
if ( volMap.IsEmpty() )
return false;
SMESHDS_Mesh* aMeshDS = const_cast< SMESH_Mesh* >( theMesh )->GetMeshDS();
for ( int iV = 1; iV <= volMap.Extent(); ++iV )
{
const TopoDS_Shape& S = volMap( iV );
SMESHDS_SubMesh * subMesh = aMeshDS->MeshElements( S );
if ( !subMesh && S.ShapeType() == TopAbs_SOLID ) {
TopExp_Explorer shellExp( S, TopAbs_SHELL );
if ( shellExp.More() )
subMesh = aMeshDS->MeshElements( shellExp.Current() );
}
if ( !subMesh)
return false;
SMDS_ElemIteratorPtr vIt = subMesh->GetElements();
while ( vIt->more() )
{
const SMDS_MeshElement* elem = vIt->next();
if ( elem->GetType() == SMDSAbs_Volume ) {
_maxVolume = max( _maxVolume, volumeControl.GetValue( elem->GetID() ));
}
}
}
return _maxVolume > 0;
}
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//================================================================================
/*!
* \brief Initialize my parameter values by default parameters.
* \retval bool - true if parameter values have been successfully defined
*/
//================================================================================
bool StdMeshers_MaxElementVolume::SetParametersByDefaults(const TDefaults& dflts,
const SMESH_Mesh* /*theMesh*/)
{
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return ( _maxVolume = dflts._elemLength*dflts._elemLength*dflts._elemLength );
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}