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0020918: EDF 1447 SMESH: Mesh common borders

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eap 2010-11-12 14:55:58 +00:00
parent c613a3b5c2
commit e1655668ae
7 changed files with 2282 additions and 2 deletions
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10
src/StdMeshers/Makefile.am
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@ -72,7 +72,10 @@ salomeinclude_HEADERS = \
StdMeshers_MaxLength.hxx \
StdMeshers_QuadrangleParams.hxx \
StdMeshers_RadialQuadrangle_1D2D.hxx \
StdMeshers_HexaFromSkin_3D.hxx
StdMeshers_HexaFromSkin_3D.hxx \
StdMeshers_ImportSource.hxx \
StdMeshers_Import_1D.hxx \
StdMeshers_Import_1D2D.hxx
# Libraries targets
@ -123,7 +126,10 @@ dist_libStdMeshers_la_SOURCES = \
StdMeshers_MaxLength.cxx \
StdMeshers_QuadrangleParams.cxx \
StdMeshers_RadialQuadrangle_1D2D.cxx \
StdMeshers_HexaFromSkin_3D.cxx
StdMeshers_HexaFromSkin_3D.cxx \
StdMeshers_ImportSource.cxx \
StdMeshers_Import_1D.cxx \
StdMeshers_Import_1D2D.cxx
# additionnal information to compil and link file

443
src/StdMeshers/StdMeshers_ImportSource.cxx Normal file
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@ -0,0 +1,443 @@
// Copyright (C) 2007-2010 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
//
// 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
//
// SMESH StdMeshers_ImportSource1D : implementaion of SMESH idl descriptions
// File : StdMeshers_ImportSource1D.cxx
// Module : SMESH
//
#include "StdMeshers_ImportSource.hxx"
#include "SMESHDS_GroupBase.hxx"
#include "SMESHDS_Mesh.hxx"
#include "SMESH_Algo.hxx"
#include "SMESH_Gen.hxx"
#include "SMESH_Group.hxx"
#include "SMESH_Mesh.hxx"
#include "SMESH_subMeshEventListener.hxx"
#include "utilities.h"
#include <Standard_ErrorHandler.hxx>
#include <boost/shared_ptr.hpp>
using namespace std;
//=============================================================================
/*!
* Creates StdMeshers_ImportSource1D
*/
//=============================================================================
StdMeshers_ImportSource1D::StdMeshers_ImportSource1D(int hypId,
int studyId,
SMESH_Gen * gen)
:SMESH_Hypothesis(hypId, studyId, gen),
_toCopyMesh(false),
_toCopyGroups(false)
{
_name = "ImportSource1D";
_param_algo_dim = 1; // is used by StdMeshers_Import_1D;
}
//=============================================================================
/*!
* Creates StdMeshers_ImportSource2D
*/
//=============================================================================
StdMeshers_ImportSource2D::StdMeshers_ImportSource2D(int hypId,
int studyId,
SMESH_Gen * gen)
:StdMeshers_ImportSource1D(hypId, studyId, gen)
{
_name = "ImportSource2D";
_param_algo_dim = 2; // is used by StdMeshers_Import_2D;
}
//=============================================================================
/*!
*
*/
//=============================================================================
StdMeshers_ImportSource1D::~StdMeshers_ImportSource1D()
{
}
//=============================================================================
/*!
* Sets groups to import elements from
*/
//=============================================================================
void StdMeshers_ImportSource1D::SetGroups(const std::vector<SMESH_Group*>& groups)
{
if (_groups != groups)
{
_groups = groups;
NotifySubMeshesHypothesisModification();
}
}
void StdMeshers_ImportSource1D::SetCopySourceMesh(bool toCopyMesh, bool toCopyGroups)
{
if ( !toCopyMesh ) toCopyGroups = false;
if ( _toCopyMesh != toCopyMesh || _toCopyGroups != toCopyGroups )
{
_toCopyMesh = toCopyMesh; _toCopyGroups = toCopyGroups;
NotifySubMeshesHypothesisModification();
}
}
void StdMeshers_ImportSource1D::GetCopySourceMesh(bool& toCopyMesh, bool& toCopyGroups) const
{
toCopyMesh = _toCopyMesh; toCopyGroups = _toCopyGroups;
}
namespace
{
//================================================================================
/*!
* \brief Return only alive groups
*/
//================================================================================
vector<SMESH_Group*> getValidGroups(const vector<SMESH_Group*>& groups,
StudyContextStruct* studyContext)
{
vector<SMESH_Group*> okGroups;
for ( int i = 0; i < groups.size(); ++i )
{
try
{
// we expect SIGSEGV on a dead group
OCC_CATCH_SIGNALS;
SMESH_Group* okGroup = 0;
map<int, SMESH_Mesh*>::iterator itm = itm = studyContext->mapMesh.begin();
for ( ; !okGroup && itm != studyContext->mapMesh.end(); itm++)
{
SMESH_Mesh::GroupIteratorPtr gIt = itm->second->GetGroups();
while ( gIt->more() && !okGroup )
if ( gIt->next() == groups[i] )
okGroup = groups[i];
}
if ( okGroup )
okGroups.push_back( okGroup );
}
catch(...)
{
}
}
return okGroups;
}
//================================================================================
/*!
* \brief Pack meshes into a pair of ints
*/
//================================================================================
pair<int, int> getResMapKey(const SMESHDS_Mesh& srcMesh, const SMESHDS_Mesh& tgtMesh)
{
return make_pair( srcMesh.GetPersistentId() , tgtMesh.GetPersistentId() );
}
//================================================================================
/*!
* \brief Return a target mesh by a pair of ints
*/
//================================================================================
SMESH_Mesh* getTgtMeshByKey( const pair<int, int> & resMapKey,
StudyContextStruct* studyContext)
{
int tgtID = resMapKey.second;
SMESH_Mesh* tgtMesh = 0;
map<int, SMESH_Mesh*>::iterator itm = itm = studyContext->mapMesh.begin();
for ( ; !tgtMesh && itm != studyContext->mapMesh.end(); itm++)
{
tgtMesh = (*itm).second;
if ( tgtMesh->GetMeshDS()->GetPersistentId() != tgtID )
tgtMesh = 0;
}
return tgtMesh;
}
//================================================================================
/*!
* \brief Return a target mesh by a pair of ints
*/
//================================================================================
int getSrcMeshID( const pair<int, int> & resMapKey )
{
return resMapKey.first;
}
}
//=============================================================================
/*!
* Returns groups to import elements from
*/
//=============================================================================
const std::vector<SMESH_Group*>& StdMeshers_ImportSource1D::GetGroups() const
{
// filter off deleted groups
vector<SMESH_Group*> okGroups = getValidGroups( _groups,
_gen->GetStudyContext(_studyId) );
if ( okGroups.size() != _groups.size() )
((StdMeshers_ImportSource1D*)this)->_groups = okGroups;
return _groups;
}
//================================================================================
/*!
* \brief Return source meshes
*/
//================================================================================
std::vector<SMESH_Mesh*> StdMeshers_ImportSource1D::GetSourceMeshes() const
{
// GetPersistentId()'s of meshes
set<int> meshIDs;
const vector<SMESH_Group*>& groups = GetGroups();
if ( !groups.empty() )
{
for ( unsigned i = 0; i < groups.size(); ++i )
{
const SMESHDS_GroupBase* gDS = groups[i]->GetGroupDS();
int id = gDS->GetMesh()->GetPersistentId();
meshIDs.insert( id );
}
}
else
{
if ( _resultGroups.empty() )
((StdMeshers_ImportSource1D*)this)->RestoreGroups(_groups);
TResGroupMap::const_iterator key_groups = _resultGroups.begin();
for ( ; key_groups != _resultGroups.end(); ++key_groups )
meshIDs.insert( getSrcMeshID( key_groups->first ));
}
// Find corresponding meshes
vector<SMESH_Mesh*> meshes;
if ( !meshIDs.empty() )
{
StudyContextStruct* studyContext = _gen->GetStudyContext(_studyId);
for ( set<int>::iterator id = meshIDs.begin(); id != meshIDs.end(); ++id )
{
map<int, SMESH_Mesh*>::iterator itm = itm = studyContext->mapMesh.begin();
for ( ; itm != studyContext->mapMesh.end(); itm++)
{
SMESH_Mesh* mesh = (*itm).second;
if ( mesh->GetMeshDS()->GetPersistentId() == *id )
{
meshes.push_back( mesh );
break;
}
}
}
}
return meshes;
}
//=============================================================================
/*!
* Save _toCopyMesh and _toCopyGroups to a stream
*/
//=============================================================================
ostream & StdMeshers_ImportSource1D::SaveTo(ostream & save)
{
resultGroupsToIntVec();
save << " " << _toCopyMesh << " " << _toCopyGroups;
save << " " << _resultGroupsStorage.size();
for ( unsigned i = 0; i < _resultGroupsStorage.size(); ++i )
save << " " << _resultGroupsStorage[i];
return save;
}
//=============================================================================
/*!
* Load _toCopyMesh and _toCopyGroups from a stream
*/
//=============================================================================
istream & StdMeshers_ImportSource1D::LoadFrom(istream & load)
{
load >> _toCopyMesh >> _toCopyGroups;
_resultGroupsStorage.clear();
int val;
if ( load >> val )
{
_resultGroupsStorage.reserve(val);
while ( _resultGroupsStorage.size() < _resultGroupsStorage.capacity() && load >> val )
_resultGroupsStorage.push_back( val );
}
return load;
}
//================================================================================
/*!
* \brief Convert result groups into _resultGroupsStorage
*/
//================================================================================
void StdMeshers_ImportSource1D::resultGroupsToIntVec()
{
_resultGroupsStorage.clear();
// store result groups
TResGroupMap::iterator key2groups = _resultGroups.begin();
for ( ; key2groups != _resultGroups.end(); ++key2groups )
{
const pair<int, int>& key = key2groups->first;
const vector<SMESH_Group*>& groups = key2groups->second;
// mesh ids, nb groups
_resultGroupsStorage.push_back( key.first );
_resultGroupsStorage.push_back( key.second );
_resultGroupsStorage.push_back( groups.size() );
for ( unsigned i = 0; i < groups.size(); ++i )
{
// store group names as sequence of ints each standing for a char
// of a name; that is to avoid pb with names containing white spaces
string name = groups[i]->GetGroupDS()->GetStoreName();
_resultGroupsStorage.push_back( name.size() );
for ( unsigned j = 0; j < name.size(); ++j )
_resultGroupsStorage.push_back( name[j] );
}
}
}
//================================================================================
/*!
* \brief Restore source groups and result groups by _resultGroupsStorage
*/
//================================================================================
void StdMeshers_ImportSource1D::RestoreGroups(const std::vector<SMESH_Group*>& groups)
{
_groups = groups;
_resultGroups.clear();
int i = 0;
while ( i < _resultGroupsStorage.size() )
{
int key1 = _resultGroupsStorage[i++];
int key2 = _resultGroupsStorage[i++];
pair<int, int> resMapKey( key1, key2 );
SMESH_Mesh* mesh = getTgtMeshByKey( resMapKey, _gen->GetStudyContext(_studyId));
// restore mesh ids at least
_resultGroups.insert( make_pair (resMapKey,vector<SMESH_Group*>() ));
int nbGroups = _resultGroupsStorage[i++];
for ( int j = 0; j < nbGroups; ++j )
{
string::size_type nameSize = _resultGroupsStorage[i++];
string groupName(nameSize, '\0');
for ( unsigned k = 0; k < nameSize; ++k )
groupName[k] = (char) _resultGroupsStorage[i++];
// find a group by name
if ( mesh )
{
SMESH_Group* group = 0;
SMESH_Mesh::GroupIteratorPtr gIt = mesh->GetGroups();
while ( !group && gIt->more() )
{
group = gIt->next();
if ( !group->GetGroupDS() || groupName != group->GetGroupDS()->GetStoreName() )
group = 0;
}
if ( group )
_resultGroups[ resMapKey ].push_back( group );
}
}
}
}
//================================================================================
/*!
* \brief Remember groups imported from other mesh
* \param groups - result groups
* \param srcMesh - source mesh
* \param tgtMesh - destination mesh
*/
//================================================================================
void StdMeshers_ImportSource1D::StoreResultGroups(const std::vector<SMESH_Group*>& groups,
const SMESHDS_Mesh& srcMesh,
const SMESHDS_Mesh& tgtMesh)
{
_resultGroups[ getResMapKey(srcMesh,tgtMesh) ] = groups;
}
//================================================================================
/*!
* \brief Return groups imported from other mesh
* \param srcMesh - source mesh
* \param tgtMesh - destination mesh
* \retval const std::vector<SMESH_Group*>& - groups
*/
//================================================================================
std::vector<SMESH_Group*>*
StdMeshers_ImportSource1D::GetResultGroups(const SMESHDS_Mesh& srcMesh,
const SMESHDS_Mesh& tgtMesh)
{
TResGroupMap::iterator key2groups = _resultGroups.find( getResMapKey(srcMesh,tgtMesh ));
if ( key2groups == _resultGroups.end() )
return 0;
vector<SMESH_Group*> vec = getValidGroups((*key2groups).second,
_gen->GetStudyContext(_studyId) );
if ( vec.size() != key2groups->second.size())
key2groups->second = vec;
return & key2groups->second;
}
//================================================================================
/*!
* \brief Initialize ImportSource value 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_ImportSource1D::SetParametersByMesh(const SMESH_Mesh*, const TopoDS_Shape&)
{
return false;
}
//================================================================================
/*!
* \brief Initialize my parameter values by default parameters.
* \retval bool - true if parameter values have been successfully defined
*/
//================================================================================
bool StdMeshers_ImportSource1D::SetParametersByDefaults(const TDefaults&, const SMESH_Mesh* )
{
return false;
}

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src/StdMeshers/StdMeshers_ImportSource.hxx Normal file
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@ -0,0 +1,97 @@
// Copyright (C) 2007-2010 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
//
// 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
//
// SMESH StdMeshers : implementaion of SMESH idl descriptions
// File : StdMeshers_ImportSource1D.hxx
// Module : SMESH
//
#ifndef _StdMeshers_ImportSource_HXX_
#define _StdMeshers_ImportSource_HXX_
#include "SMESH_StdMeshers.hxx"
#include "SMESH_Hypothesis.hxx"
#include "Utils_SALOME_Exception.hxx"
#include <vector>
#include <map>
class SMESH_Group;
class SMESHDS_Mesh;
//==============================================================================
/*!
* \brief Stores groups to import elements from
*/
//==============================================================================
class STDMESHERS_EXPORT StdMeshers_ImportSource1D : public SMESH_Hypothesis
{
public:
StdMeshers_ImportSource1D(int hypId, int studyId, SMESH_Gen * gen);
virtual ~ StdMeshers_ImportSource1D();
void SetGroups(const std::vector<SMESH_Group*>& groups);
const std::vector<SMESH_Group*>& GetGroups() const;
void SetCopySourceMesh(bool toCopyMesh, bool toCopyGroups);
void GetCopySourceMesh(bool& toCopyMesh, bool& toCopyGroups) const;
virtual std::ostream & SaveTo(std::ostream & save);
virtual std::istream & LoadFrom(std::istream & load);
virtual bool SetParametersByMesh(const SMESH_Mesh* theMesh, const TopoDS_Shape& theShape);
virtual bool SetParametersByDefaults(const TDefaults& dflts, const SMESH_Mesh* theMesh=0);
void RestoreGroups(const std::vector<SMESH_Group*>& groups);
void StoreResultGroups(const std::vector<SMESH_Group*>& groups,
const SMESHDS_Mesh& srcMesh,
const SMESHDS_Mesh& tgtMesh);
std::vector<SMESH_Group*>* GetResultGroups(const SMESHDS_Mesh& srcMesh,
const SMESHDS_Mesh& tgtMesh);
std::vector<SMESH_Mesh*> GetSourceMeshes() const;
private:
std::vector<SMESH_Group*> _groups;
bool _toCopyMesh, _toCopyGroups;
// groups imported using this hypothesis
typedef std::map< std::pair<int, int>, std::vector<SMESH_Group*> > TResGroupMap;
TResGroupMap _resultGroups;
std::vector<int> _resultGroupsStorage; // persistent representation of _resultGroups
void resultGroupsToIntVec();
};
//==============================================================================
/*!
* \brief Redefines name and dimension of inherited StdMeshers_ImportSource1D
*/
//==============================================================================
class STDMESHERS_EXPORT StdMeshers_ImportSource2D : public StdMeshers_ImportSource1D
{
public:
StdMeshers_ImportSource2D(int hypId, int studyId, SMESH_Gen * gen);
};
#endif

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src/StdMeshers/StdMeshers_Import_1D.cxx Normal file
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@ -0,0 +1,951 @@
// Copyright (C) 2007-2010 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
//
// 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
//
// SMESH SMESH : implementaion of SMESH idl descriptions
// File : StdMeshers_Import_1D.cxx
// Module : SMESH
//
#include "StdMeshers_Import_1D.hxx"
#include "StdMeshers_ImportSource.hxx"
#include "SMDS_MeshElement.hxx"
#include "SMDS_MeshNode.hxx"
#include "SMESHDS_Group.hxx"
#include "SMESHDS_Mesh.hxx"
#include "SMESH_Comment.hxx"
#include "SMESH_Gen.hxx"
#include "SMESH_Group.hxx"
#include "SMESH_HypoFilter.hxx"
#include "SMESH_Mesh.hxx"
#include "SMESH_MesherHelper.hxx"
#include "SMESH_subMesh.hxx"
#include "SMESH_subMeshEventListener.hxx"
#include "Utils_SALOME_Exception.hxx"
#include "utilities.h"
#include <BRep_Builder.hxx>
#include <BRep_Tool.hxx>
#include <TopExp.hxx>
#include <TopExp_Explorer.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Compound.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Vertex.hxx>
using namespace std;
//=============================================================================
/*!
* Creates StdMeshers_Import_1D
*/
//=============================================================================
StdMeshers_Import_1D::StdMeshers_Import_1D(int hypId, int studyId, SMESH_Gen * gen)
:SMESH_1D_Algo(hypId, studyId, gen), _sourceHyp(0)
{
MESSAGE("StdMeshers_Import_1D::StdMeshers_Import_1D");
_name = "Import_1D";
_shapeType = (1 << TopAbs_EDGE);
_compatibleHypothesis.push_back("ImportSource1D");
}
//=============================================================================
/*!
* Check presence of a hypothesis
*/
//=============================================================================
bool StdMeshers_Import_1D::CheckHypothesis
(SMESH_Mesh& aMesh,
const TopoDS_Shape& aShape,
SMESH_Hypothesis::Hypothesis_Status& aStatus)
{
_sourceHyp = 0;
const list <const SMESHDS_Hypothesis * >&hyps = GetUsedHypothesis(aMesh, aShape);
if ( hyps.size() == 0 )
{
aStatus = SMESH_Hypothesis::HYP_MISSING;
return false; // can't work with no hypothesis
}
if ( hyps.size() > 1 )
{
aStatus = SMESH_Hypothesis::HYP_ALREADY_EXIST;
return false;
}
const SMESHDS_Hypothesis *theHyp = hyps.front();
string hypName = theHyp->GetName();
if (hypName == _compatibleHypothesis.front())
{
_sourceHyp = (StdMeshers_ImportSource1D *)theHyp;
aStatus = SMESH_Hypothesis::HYP_OK;
return true;
}
aStatus = SMESH_Hypothesis::HYP_INCOMPATIBLE;
return true;
}
//================================================================================
namespace // INTERNAL STUFF
//================================================================================
{
int getSubmeshIDForCopiedMesh(const SMESHDS_Mesh* srcMeshDS, SMESH_Mesh* tgtMesh);
enum _ListenerDataType
{
WAIT_HYP_MODIF=1, // data indicating awaiting for valid parameters of src hyp
SRC_HYP // data storing ImportSource hyp
};
//================================================================================
/*!
* \brief _ListenerData holding ImportSource hyp holding in its turn
* imported groups
*/
struct _ListenerData : public SMESH_subMeshEventListenerData
{
const StdMeshers_ImportSource1D* _srcHyp;
_ListenerData(const StdMeshers_ImportSource1D* h):
SMESH_subMeshEventListenerData(/*isDeletable=*/true), _srcHyp(h)
{
myType = SRC_HYP;
}
};
//================================================================================
/*!
* \brief Container of data dedicated to one source mesh
*/
struct _ImportData
{
const SMESH_Mesh* _srcMesh;
StdMeshers_Import_1D::TNodeNodeMap _n2n;
StdMeshers_Import_1D::TElemElemMap _e2e;
set< SMESH_subMesh*> _subM; // submeshes relating to this srcMesh
set< SMESH_subMesh*> _copyMeshSubM; // submeshes requesting mesh copying
set< SMESH_subMesh*> _copyGroupSubM; // submeshes requesting mesh copying
set< SMESH_subMesh*> _computedSubM;
SMESHDS_SubMesh* _importMeshSubDS; // submesh storing a copy of _srcMesh
int _importMeshSubID; // id of _importMeshSubDS
_ImportData(const SMESH_Mesh* srcMesh=0):
_srcMesh(srcMesh), _importMeshSubDS(0),_importMeshSubID(-1) {}
void removeImportedMesh( SMESHDS_Mesh* meshDS )
{
if ( !_importMeshSubDS ) return;
SMDS_ElemIteratorPtr eIt = _importMeshSubDS->GetElements();
while ( eIt->more() )
meshDS->RemoveFreeElement( eIt->next(), _importMeshSubDS, /*fromGroups=*/false );
SMDS_NodeIteratorPtr nIt = _importMeshSubDS->GetNodes();
while ( nIt->more() )
meshDS->RemoveFreeNode( nIt->next(), _importMeshSubDS, /*fromGroups=*/false );
_n2n.clear();
_e2e.clear();
}
void removeGroups( SMESH_subMesh* subM, const StdMeshers_ImportSource1D* srcHyp )
{
if ( !srcHyp ) return;
SMESH_Mesh* tgtMesh = subM->GetFather();
const SMESHDS_Mesh* tgtMeshDS = tgtMesh->GetMeshDS();
const SMESHDS_Mesh* srcMeshDS = _srcMesh->GetMeshDS();
vector<SMESH_Group*>* groups =
const_cast<StdMeshers_ImportSource1D*>(srcHyp)->GetResultGroups(*srcMeshDS,*tgtMeshDS);
if ( groups )
{
for ( unsigned i = 0; i < groups->size(); ++i )
tgtMesh->RemoveGroup( groups->at(i)->GetGroupDS()->GetID() );
groups->clear();
}
}
void trackHypParams( SMESH_subMesh* sm, const StdMeshers_ImportSource1D* srcHyp )
{
if ( !srcHyp ) return;
bool toCopyMesh, toCopyGroups;
srcHyp->GetCopySourceMesh(toCopyMesh, toCopyGroups);
if ( toCopyMesh )_copyMeshSubM.insert( sm );
else _copyMeshSubM.erase( sm );
if ( toCopyGroups ) _copyGroupSubM.insert( sm );
else _copyGroupSubM.erase( sm );
}
};
//================================================================================
/*!
* Listener notified on events of an imported submesh
*/
class _Listener : public SMESH_subMeshEventListener
{
typedef map< SMESH_Mesh*, list< _ImportData > > TMesh2ImpData;
TMesh2ImpData _tgtMesh2ImportData;
_Listener():SMESH_subMeshEventListener(/*isDeletable=*/false){}
public:
// return poiter to a static listener
static _Listener* get() { static _Listener theListener; return &theListener; }
//--------------------------------------------------------------------------------
/*!
* \brief Find or create ImportData for given meshes
*/
static _ImportData* getImportData(const SMESH_Mesh* srcMesh,
SMESH_Mesh* tgtMesh)
{
list< _ImportData >& dList = get()->_tgtMesh2ImportData[tgtMesh];
list< _ImportData >::iterator d = dList.begin();
for ( ; d != dList.end(); ++d )
if ( d->_srcMesh == srcMesh )
return &*d;
dList.push_back(_ImportData(srcMesh));
return &dList.back();
}
//--------------------------------------------------------------------------------
/*!
* \brief Remember an imported mesh and groups
* \param smDS - submesh DS holding the imported mesh
* \param sm - submesh computed by Import algo
* \param srcMeshDS - source mesh
* \param srcHyp - ImportSource hypothesis
*/
static _ImportData* storeImportSubmesh(SMESH_subMesh* importSub,
const SMESH_Mesh* srcMesh,
const StdMeshers_ImportSource1D* srcHyp)
{
// set listener to hear events of the submesh computed by "Import" algo
importSub->SetEventListener( get(), new _ListenerData(srcHyp), importSub );
// set a listener to hear events of the source mesh
SMESH_subMesh* smToNotify = importSub;
SMESH_subMesh* smToListen = srcMesh->GetSubMeshContaining(1);
importSub->SetEventListener
( new SMESH_subMeshEventListener(/*isDeletable=*/true),
SMESH_subMeshEventListenerData::MakeData( smToNotify ),
smToListen );
// remeber the submesh
_ImportData* iData = _Listener::getImportData( srcMesh, importSub->GetFather());
iData->_subM.insert( importSub );
iData->trackHypParams( importSub, srcHyp );
if ( !importSub->IsEmpty() )
iData->_computedSubM.insert( importSub );
if ( !iData->_copyMeshSubM.empty() && iData->_importMeshSubID < 1 )
{
SMESH_Mesh* tgtMesh = importSub->GetFather();
iData->_importMeshSubID = getSubmeshIDForCopiedMesh( srcMesh->GetMeshDS(),tgtMesh);
iData->_importMeshSubDS = tgtMesh->GetMeshDS()->NewSubMesh( iData->_importMeshSubID );
}
if ( !importSub->IsEmpty() )
iData->_computedSubM.insert( importSub );
return iData;
}
//--------------------------------------------------------------------------------
/*!
* \brief mark sm as missing src hyp with valid groups
*/
static void waitHypModification(SMESH_subMesh* sm)
{
sm->SetEventListener
(get(), SMESH_subMeshEventListenerData::MakeData( sm, WAIT_HYP_MODIF ), sm);
}
//--------------------------------------------------------------------------------
/*!
* \brief Remove imported mesh and/or groups as soon as no more imported submeshes
* remain computed
* \param sm - submesh loosing Import algo
* \param data - data holding imported groups
*/
void removeSubmesh( SMESH_subMesh* sm, _ListenerData* data )
{
list< _ImportData > & dList = _tgtMesh2ImportData[ sm->GetFather() ];
list< _ImportData >::iterator d = dList.begin();
for ( ; d != dList.end(); ++d )
if ( (*d)._subM.erase( sm ))
{
d->_computedSubM.erase( sm );
bool rmMesh = d->_copyMeshSubM.erase( sm ) && d->_copyMeshSubM.empty();
bool rmGroups = (d->_copyGroupSubM.erase( sm ) && d->_copyGroupSubM.empty()) || rmMesh;
if ( rmMesh )
d->removeImportedMesh( sm->GetFather()->GetMeshDS() );
if ( rmGroups && data )
d->removeGroups( sm, data->_srcHyp );
}
}
//--------------------------------------------------------------------------------
/*!
* \brief Remove imported mesh and/or groups and
* clear all submeshes with common source mesh
* \param sm - cleared submesh
* \param data - data holding imported groups
*/
void clearSubmesh( SMESH_subMesh* sm, _ListenerData* data )
{
list< _ImportData > & dList = _tgtMesh2ImportData[ sm->GetFather() ];
list< _ImportData >::iterator d = dList.begin();
for ( ; d != dList.end(); ++d )
{
if ( !d->_subM.count( sm )) continue;
if ( (*d)._computedSubM.erase( sm ) )
{
bool copyMesh = !d->_copyMeshSubM.empty();
if ( copyMesh )
{
// clear submeshes
if ( !d->_computedSubM.empty() )
{
set< SMESH_subMesh*> subs;
subs.swap( d->_computedSubM ); // avoid recursion via events
while ( !subs.empty() )
{
SMESH_subMesh* subM = *subs.begin(); subs.erase( subs.begin() );
_ListenerData* hypData = (_ListenerData*) subM->GetEventListenerData( get() );
if ( hypData )
d->removeGroups( sm, hypData->_srcHyp );
subM->ComputeStateEngine( SMESH_subMesh::CLEAN );
}
}
// remove imported mesh and groups
d->removeImportedMesh( sm->GetFather()->GetMeshDS() );
if ( data )
d->removeGroups( sm, data->_srcHyp );
}
}
if ( data )
d->trackHypParams( sm, data->_srcHyp );
d->_n2n.clear();
d->_e2e.clear();
}
}
//--------------------------------------------------------------------------------
/*!
* \brief Remove imported mesh and/or groups
*/
virtual void ProcessEvent(const int event,
const int eventType,
SMESH_subMesh* subMesh,
SMESH_subMeshEventListenerData* data,
const SMESH_Hypothesis* /*hyp*/)
{
if ( data && data->myType == WAIT_HYP_MODIF )
{
if ( SMESH_subMesh::MODIF_HYP == event &&
SMESH_subMesh::ALGO_EVENT == eventType )
{
SMESH_Gen* gen = subMesh->GetFather()->GetGen();
if ( SMESH_Algo* algo = gen->GetAlgo(*subMesh->GetFather(), subMesh->GetSubShape()))
algo->SetEventListener( subMesh );
}
}
else
{
if ( subMesh->GetAlgoState() != SMESH_subMesh::HYP_OK )
// treate removal of Import algo from subMesh
removeSubmesh( subMesh, (_ListenerData*) data );
else if ( subMesh->IsEmpty() )
// treate modification of ImportSource hypothesis
clearSubmesh( subMesh, (_ListenerData*) data );
else if ( SMESH_subMesh::CHECK_COMPUTE_STATE == event &&
SMESH_subMesh::COMPUTE_EVENT == eventType )
{
// check compute state of all submeshes impoting from same src mesh;
// this is to take into account 1D computed submeshes hidden by 2D import algo
list< _ImportData > & dList = _tgtMesh2ImportData[ subMesh->GetFather() ];
list< _ImportData >::iterator d = dList.begin();
for ( ; d != dList.end(); ++d )
if ( d->_subM.count( subMesh ))
{
set<SMESH_subMesh*>::iterator smIt = d->_subM.begin();
for( ; smIt != d->_subM.end(); ++smIt )
if ( (*smIt)->IsMeshComputed() )
d->_computedSubM.insert( *smIt);
}
}
}
}
}; // class _Listener
//================================================================================
/*!
* \brief Return an ID of submesh to store nodes and elements of a copied mesh
*/
//================================================================================
int getSubmeshIDForCopiedMesh(const SMESHDS_Mesh* srcMeshDS,
SMESH_Mesh* tgtMesh)
{
// To get SMESH_subMesh corresponding to srcMeshDS we need to have a shape
// for which SMESHDS_Mesh::IsGroupOfSubShapes() returns true.
// And this shape must be different from subshapes of the main shape.
// So we create a compound containing
// 1) some sub-shapes of SMESH_Mesh::PseudoShape() corresponding to
// srcMeshDS->GetPersistentId()
// 2) the 1-st vertex of the main shape to assure
// SMESHDS_Mesh::IsGroupOfSubShapes(shape)==true
TopoDS_Shape shapeForSrcMesh;
TopTools_IndexedMapOfShape pseudoSubShapes;
TopExp::MapShapes( SMESH_Mesh::PseudoShape(), pseudoSubShapes );
// index of pseudoSubShapes corresponding to srcMeshDS
int subIndex = srcMeshDS->GetPersistentId() % pseudoSubShapes.Extent();
int nbSubShapes = 1 + srcMeshDS->GetPersistentId() / pseudoSubShapes.Extent();
// try to find already present shapeForSrcMesh
SMESHDS_Mesh* tgtMeshDS = tgtMesh->GetMeshDS();
for ( int i = tgtMeshDS->MaxShapeIndex(); i > 0 && shapeForSrcMesh.IsNull(); --i )
{
const TopoDS_Shape& s = tgtMeshDS->IndexToShape(i);
if ( s.ShapeType() != TopAbs_COMPOUND ) break;
TopoDS_Iterator sSubIt( s );
for ( int iSub = 0; iSub < nbSubShapes && sSubIt.More(); ++iSub, sSubIt.Next() )
if ( pseudoSubShapes( subIndex+iSub ).IsSame( sSubIt.Value()))
if ( iSub+1 == nbSubShapes )
{
shapeForSrcMesh = s;
break;
}
}
if ( shapeForSrcMesh.IsNull() )
{
// make a new shapeForSrcMesh
BRep_Builder aBuilder;
TopoDS_Compound comp;
aBuilder.MakeCompound( comp );
shapeForSrcMesh = comp;
for ( int iSub = 0; iSub < nbSubShapes; ++iSub )
aBuilder.Add( comp, pseudoSubShapes( subIndex+iSub ));
TopExp_Explorer vExp( tgtMeshDS->ShapeToMesh(), TopAbs_VERTEX );
aBuilder.Add( comp, vExp.Current() );
}
SMESH_subMesh* sm = tgtMesh->GetSubMesh( shapeForSrcMesh );
SMESHDS_SubMesh* smDS = sm->GetSubMeshDS();
if ( !smDS )
smDS = tgtMeshDS->NewSubMesh( sm->GetId() );
// make ordinary submesh from a complex one
if ( smDS->IsComplexSubmesh() )
{
list< const SMESHDS_SubMesh* > subSM;
SMESHDS_SubMeshIteratorPtr smIt = smDS->GetSubMeshIterator();
while ( smIt->more() ) subSM.push_back( smIt->next() );
list< const SMESHDS_SubMesh* >::iterator sub = subSM.begin();
for ( ; sub != subSM.end(); ++sub)
smDS->RemoveSubMesh( *sub );
}
return sm->GetId();
}
//================================================================================
/*!
* \brief Return a submesh to store nodes and elements of a copied mesh
* and set event listeners in order to clear
* imported mesh and groups as soon as submesh state requires it
*/
//================================================================================
SMESHDS_SubMesh* getSubmeshForCopiedMesh(const SMESH_Mesh* srcMesh,
SMESH_Mesh* tgtMesh,
const TopoDS_Shape& tgtShape,
StdMeshers_Import_1D::TNodeNodeMap*& n2n,
StdMeshers_Import_1D::TElemElemMap*& e2e,
bool & toCopyGroups)
{
StdMeshers_Import_1D::getMaps( srcMesh, tgtMesh, n2n,e2e );
_ImportData* iData = _Listener::getImportData(srcMesh,tgtMesh);
SMESH_subMesh* importedSM = tgtMesh->GetSubMesh( tgtShape );
iData->_computedSubM.insert( importedSM );
if ( iData->_computedSubM.size() != iData->_subM.size() )
return 0; // not all submeshes computed yet
toCopyGroups = !iData->_copyGroupSubM.empty();
if ( !iData->_copyMeshSubM.empty())
{
// make submesh to store a copied mesh
int smID = getSubmeshIDForCopiedMesh( srcMesh->GetMeshDS(), tgtMesh );
SMESHDS_SubMesh* subDS = tgtMesh->GetMeshDS()->NewSubMesh( smID );
iData->_importMeshSubID = smID;
iData->_importMeshSubDS = subDS;
return subDS;
}
return 0;
}
} // namespace
//=============================================================================
/*!
* Import elements from the other mesh
*/
//=============================================================================
bool StdMeshers_Import_1D::Compute(SMESH_Mesh & theMesh, const TopoDS_Shape & theShape)
{
if ( !_sourceHyp ) return false;
const vector<SMESH_Group*>& srcGroups = _sourceHyp->GetGroups();
if ( srcGroups.empty() )
return error("Invalid source groups");
SMESH_MesherHelper helper(theMesh);
helper.SetSubShape(theShape);
SMESHDS_Mesh* tgtMesh = theMesh.GetMeshDS();
const TopoDS_Edge& geomEdge = TopoDS::Edge( theShape );
const double edgeTol = BRep_Tool::Tolerance( geomEdge );
const int shapeID = tgtMesh->ShapeToIndex( geomEdge );
set<int> subShapeIDs;
subShapeIDs.insert( shapeID );
// get nodes on vertices
list < SMESH_MeshEditor::TNodeXYZ > vertexNodes;
list < SMESH_MeshEditor::TNodeXYZ >::iterator vNIt;
TopExp_Explorer vExp( theShape, TopAbs_VERTEX );
for ( ; vExp.More(); vExp.Next() )
{
const TopoDS_Vertex& v = TopoDS::Vertex( vExp.Current() );
if ( !subShapeIDs.insert( tgtMesh->ShapeToIndex( v )).second )
continue; // closed edge
const SMDS_MeshNode* n = SMESH_Algo::VertexNode( v, tgtMesh );
if ( !n )
{
_gen->Compute(theMesh,v,/*anUpward=*/true);
n = SMESH_Algo::VertexNode( v, tgtMesh );
if ( !n ) return false; // very strange
}
vertexNodes.push_back( SMESH_MeshEditor::TNodeXYZ( n ));
}
// import edges from groups
TNodeNodeMap* n2n;
TElemElemMap* e2e;
for ( int iG = 0; iG < srcGroups.size(); ++iG )
{
const SMESHDS_GroupBase* srcGroup = srcGroups[iG]->GetGroupDS();
const int meshID = srcGroup->GetMesh()->GetPersistentId();
const SMESH_Mesh* srcMesh = GetMeshByPersistentID( meshID );
if ( !srcMesh ) continue;
getMaps( srcMesh, &theMesh, n2n, e2e );
SMDS_ElemIteratorPtr srcElems = srcGroup->GetElements();
vector<const SMDS_MeshNode*> newNodes;
SMDS_MeshNode tmpNode(0,0,0);
double u;
while ( srcElems->more() ) // loop on group contents
{
const SMDS_MeshElement* edge = srcElems->next();
// find or create nodes of a new edge
newNodes.resize( edge->NbNodes() );
newNodes.back() = 0;
SMDS_MeshElement::iterator node = edge->begin_nodes();
for ( unsigned i = 0; i < newNodes.size(); ++i, ++node )
{
TNodeNodeMap::iterator n2nIt = n2n->insert( make_pair( *node, (SMDS_MeshNode*)0 )).first;
if ( n2nIt->second )
{
if ( !subShapeIDs.count( n2nIt->second->GetPosition()->GetShapeId() ))
break;
}
else
{
// find an existing vertex node
for ( vNIt = vertexNodes.begin(); vNIt != vertexNodes.end(); ++vNIt)
if ( vNIt->SquareDistance( *node ) < 10 * edgeTol * edgeTol)
{
(*n2nIt).second = vNIt->_node;
vertexNodes.erase( vNIt );
break;
}
}
if ( !n2nIt->second )
{
// find out if node lies on theShape
tmpNode.setXYZ( (*node)->X(), (*node)->Y(), (*node)->Z());
if ( helper.CheckNodeU( geomEdge, &tmpNode, u, 10 * edgeTol, /*force=*/true ))
{
SMDS_MeshNode* newNode = tgtMesh->AddNode( (*node)->X(), (*node)->Y(), (*node)->Z());
n2nIt->second = newNode;
tgtMesh->SetNodeOnEdge( newNode, shapeID, u );
}
}
if ( !(newNodes[i] = n2nIt->second ))
break;
}
if ( !newNodes.back() )
continue; // not all nodes of edge lie on theShape
// make a new edge
SMDS_MeshElement * newEdge;
if ( newNodes.size() == 3 )
newEdge = tgtMesh->AddEdge( newNodes[0], newNodes[1], newNodes[2] );
else
newEdge = tgtMesh->AddEdge( newNodes[0], newNodes[1]);
tgtMesh->SetMeshElementOnShape( newEdge, shapeID );
e2e->insert( make_pair( edge, newEdge ));
}
}
if ( n2n->empty())
return error("Empty source groups");
// check if the whole geom edge is covered by imported segments;
// the check consist in passing by segments from one vetrex node to another
bool isEdgeMeshed = false;
if ( SMESHDS_SubMesh* tgtSM = tgtMesh->MeshElements( theShape ))
{
const TopoDS_Vertex& v = ( vExp.ReInit(), TopoDS::Vertex( vExp.Current() ));
const SMDS_MeshNode* n = SMESH_Algo::VertexNode( v, tgtMesh );
const SMDS_MeshElement* seg = 0;
SMDS_ElemIteratorPtr segIt = n->GetInverseElementIterator(SMDSAbs_Edge);
while ( segIt->more() && !seg )
if ( !tgtSM->Contains( seg = segIt->next()))
seg = 0;
int nbPassedSegs = 0;
while ( seg )
{
++nbPassedSegs;
const SMDS_MeshNode* n2 = seg->GetNode(0);
n = ( n2 == n ? seg->GetNode(1) : n2 );
if ( n->GetPosition()->GetTypeOfPosition() == SMDS_TOP_VERTEX )
break;
const SMDS_MeshElement* seg2 = 0;
segIt = n->GetInverseElementIterator(SMDSAbs_Edge);
while ( segIt->more() && !seg2 )
if ( seg == ( seg2 = segIt->next()))
seg2 = 0;
seg = seg2;
}
if (nbPassedSegs > 0 && tgtSM->NbElements() > nbPassedSegs )
return error( "Source elements overlap one another");
isEdgeMeshed = ( tgtSM->NbElements() == nbPassedSegs &&
n->GetPosition()->GetTypeOfPosition() == SMDS_TOP_VERTEX );
}
if ( !isEdgeMeshed )
return error( "Source elements don't cover totally the geometrical edge" );
// copy meshes
vector<SMESH_Mesh*> srcMeshes = _sourceHyp->GetSourceMeshes();
for ( unsigned i = 0; i < srcMeshes.size(); ++i )
importMesh( srcMeshes[i], theMesh, _sourceHyp, theShape );
return true;
}
//================================================================================
/*!
* \brief Copy mesh and groups
*/
//================================================================================
void StdMeshers_Import_1D::importMesh(const SMESH_Mesh* srcMesh,
SMESH_Mesh & tgtMesh,
StdMeshers_ImportSource1D* srcHyp,
const TopoDS_Shape& tgtShape)
{
// get submesh to store the imported mesh
TNodeNodeMap* n2n;
TElemElemMap* e2e;
bool toCopyGroups;
SMESHDS_SubMesh* tgtSubMesh =
getSubmeshForCopiedMesh( srcMesh, &tgtMesh, tgtShape, n2n, e2e, toCopyGroups );
if ( !tgtSubMesh || tgtSubMesh->NbNodes() + tgtSubMesh->NbElements() > 0 )
return; // not to copy srcMeshDS twice
SMESHDS_Mesh* tgtMeshDS = tgtMesh.GetMeshDS();
SMESH_MeshEditor additor( &tgtMesh );
// 1. Copy mesh
vector<const SMDS_MeshNode*> newNodes;
const SMESHDS_Mesh* srcMeshDS = srcMesh->GetMeshDS();
SMDS_ElemIteratorPtr eIt = srcMeshDS->elementsIterator();
while ( eIt->more() )
{
const SMDS_MeshElement* elem = eIt->next();
TElemElemMap::iterator e2eIt = e2e->insert( make_pair( elem, (SMDS_MeshElement*)0 )).first;
if ( e2eIt->second ) continue; // already copied by Compute()
newNodes.resize( elem->NbNodes() );
SMDS_MeshElement::iterator node = elem->begin_nodes();
for ( unsigned i = 0; i < newNodes.size(); ++i, ++node )
{
TNodeNodeMap::iterator n2nIt = n2n->insert( make_pair( *node, (SMDS_MeshNode*)0 )).first;
if ( !n2nIt->second )
{
(*n2nIt).second = tgtMeshDS->AddNode( (*node)->X(), (*node)->Y(), (*node)->Z());
tgtSubMesh->AddNode( n2nIt->second );
}
newNodes[i] = n2nIt->second;
}
const SMDS_MeshElement* newElem =
tgtMeshDS->FindElement( newNodes, elem->GetType(), /*noMedium=*/false );
if ( !newElem )
{
newElem = additor.AddElement( newNodes, elem->GetType(), elem->IsPoly());
tgtSubMesh->AddElement( newElem );
}
if ( toCopyGroups )
(*e2eIt).second = newElem;
}
// copy free nodes
if ( tgtSubMesh->NbNodes() < srcMeshDS->NbNodes() )
{
SMDS_NodeIteratorPtr nIt = srcMeshDS->nodesIterator();
while( nIt->more() )
{
const SMDS_MeshNode* node = nIt->next();
if ( node->NbInverseElements() == 0 )
{
const SMDS_MeshNode* newNode = tgtMeshDS->AddNode( node->X(), node->Y(), node->Z());
n2n->insert( make_pair( node, newNode ));
}
}
}
// 2. Copy groups
vector<SMESH_Group*> resultGroups;
if ( toCopyGroups )
{
// collect names of existing groups to assure uniqueness of group names within a type
map< SMDSAbs_ElementType, set<string> > namesByType;
SMESH_Mesh::GroupIteratorPtr groupIt = tgtMesh.GetGroups();
while ( groupIt->more() )
{
SMESH_Group* tgtGroup = groupIt->next();
namesByType[ tgtGroup->GetGroupDS()->GetType() ].insert( tgtGroup->GetName() );
}
if (srcMesh)
{
SMESH_Mesh::GroupIteratorPtr groupIt = srcMesh->GetGroups();
while ( groupIt->more() )
{
SMESH_Group* srcGroup = groupIt->next();
SMESHDS_GroupBase* srcGroupDS = srcGroup->GetGroupDS();
string name = srcGroup->GetName();
int nb = 1;
while ( !namesByType[ srcGroupDS->GetType() ].insert( name ).second )
name = SMESH_Comment(srcGroup->GetName()) << "_imported_" << nb++;
SMESH_Group* newGroup = tgtMesh.AddGroup( srcGroupDS->GetType(), name.c_str(), nb );
SMESHDS_Group* newGroupDS = (SMESHDS_Group*)newGroup->GetGroupDS();
resultGroups.push_back( newGroup );
eIt = srcGroupDS->GetElements();
if ( srcGroupDS->GetType() == SMDSAbs_Node )
while (eIt->more())
{
TNodeNodeMap::iterator n2nIt = n2n->find((const SMDS_MeshNode*) eIt->next() );
if ( n2nIt != n2n->end() && n2nIt->second )
newGroupDS->SMDSGroup().Add((*n2nIt).second );
}
else
while (eIt->more())
{
TElemElemMap::iterator e2eIt = e2e->find( eIt->next() );
if ( e2eIt != e2e->end() && e2eIt->second )
newGroupDS->SMDSGroup().Add((*e2eIt).second );
}
}
}
}
n2n->clear();
e2e->clear();
// Remember created groups in order to remove them as soon as the srcHyp is
// modified or something other similar happens. Store them in a hypothesis
// as it stores its values anyway
srcHyp->StoreResultGroups( resultGroups, *srcMeshDS, *tgtMeshDS );
}
//=============================================================================
/*!
* \brief Set needed event listeners and create a submesh for a copied mesh
*
* This method is called only if a submesh has HYP_OK algo_state.
*/
//=============================================================================
void StdMeshers_Import_1D::setEventListener(SMESH_subMesh* subMesh,
StdMeshers_ImportSource1D* sourceHyp)
{
if ( sourceHyp )
{
vector<SMESH_Mesh*> srcMeshes = sourceHyp->GetSourceMeshes();
if ( srcMeshes.empty() )
_Listener::waitHypModification( subMesh );
for ( unsigned i = 0; i < srcMeshes.size(); ++i )
// set a listener to remove the imported mesh and groups
_Listener::storeImportSubmesh( subMesh, srcMeshes[i], sourceHyp );
}
}
void StdMeshers_Import_1D::SetEventListener(SMESH_subMesh* subMesh)
{
if ( !_sourceHyp )
{
const TopoDS_Shape& tgtShape = subMesh->GetSubShape();
SMESH_Mesh* tgtMesh = subMesh->GetFather();
Hypothesis_Status aStatus;
CheckHypothesis( *tgtMesh, tgtShape, aStatus );
}
setEventListener( subMesh, _sourceHyp );
}
void StdMeshers_Import_1D::SubmeshRestored(SMESH_subMesh* subMesh)
{
SetEventListener(subMesh);
}
//=============================================================================
/*!
* Predict nb of mesh entities created by Compute()
*/
//=============================================================================
bool StdMeshers_Import_1D::Evaluate(SMESH_Mesh & theMesh,
const TopoDS_Shape & theShape,
MapShapeNbElems& aResMap)
{
if ( !_sourceHyp ) return false;
const vector<SMESH_Group*>& srcGroups = _sourceHyp->GetGroups();
if ( srcGroups.empty() )
return error("Invalid source groups");
vector<int> aVec(SMDSEntity_Last,0);
bool toCopyMesh, toCopyGroups;
_sourceHyp->GetCopySourceMesh(toCopyMesh, toCopyGroups);
if ( toCopyMesh ) // the whole mesh is copied
{
vector<SMESH_Mesh*> srcMeshes = _sourceHyp->GetSourceMeshes();
for ( unsigned i = 0; i < srcMeshes.size(); ++i )
{
SMESH_subMesh* sm = getSubMeshOfCopiedMesh( theMesh, *srcMeshes[i]);
if ( !sm || aResMap.count( sm )) continue; // already counted
aVec.assign( SMDSEntity_Last, 0);
const SMDS_MeshInfo& aMeshInfo = srcMeshes[i]->GetMeshDS()->GetMeshInfo();
for (int i = 0; i < SMDSEntity_Last; i++)
aVec[i] = aMeshInfo.NbEntities((SMDSAbs_EntityType)i);
}
}
else
{
SMESH_MesherHelper helper(theMesh);
const TopoDS_Edge& geomEdge = TopoDS::Edge( theShape );
const double edgeTol = helper.MaxTolerance( geomEdge );
// take into account nodes on vertices
TopExp_Explorer vExp( theShape, TopAbs_VERTEX );
for ( ; vExp.More(); vExp.Next() )
theMesh.GetSubMesh( vExp.Current())->Evaluate( aResMap );
// count edges imported from groups
int nbEdges = 0, nbQuadEdges = 0;
for ( int iG = 0; iG < srcGroups.size(); ++iG )
{
const SMESHDS_GroupBase* srcGroup = srcGroups[iG]->GetGroupDS();
SMDS_ElemIteratorPtr srcElems = srcGroup->GetElements();
SMDS_MeshNode tmpNode(0,0,0);
while ( srcElems->more() ) // loop on group contents
{
const SMDS_MeshElement* edge = srcElems->next();
// find out if edge is located on geomEdge by projecting
// a middle of edge to geomEdge
SMESH_MeshEditor::TNodeXYZ p1( edge->GetNode(0));
SMESH_MeshEditor::TNodeXYZ p2( edge->GetNode(1));
gp_XYZ middle = ( p1 + p2 ) / 2.;
tmpNode.setXYZ( middle.X(), middle.Y(), middle.Z());
double u = 0;
if ( helper.CheckNodeU( geomEdge, &tmpNode, u, 10 * edgeTol, /*force=*/true ))
++( edge->IsQuadratic() ? nbQuadEdges : nbEdges);
}
}
int nbNodes = nbEdges + 2 * nbQuadEdges - 1;
aVec[SMDSEntity_Node ] = nbNodes;
aVec[SMDSEntity_Edge ] = nbEdges;
aVec[SMDSEntity_Quad_Edge] = nbQuadEdges;
}
SMESH_subMesh * sm = theMesh.GetSubMesh(theShape);
aResMap.insert(make_pair(sm,aVec));
return true;
}
//================================================================================
/*!
* \brief Return node-node and element-element maps for import of geiven source mesh
*/
//================================================================================
void StdMeshers_Import_1D::getMaps(const SMESH_Mesh* srcMesh,
SMESH_Mesh* tgtMesh,
TNodeNodeMap*& n2n,
TElemElemMap*& e2e)
{
_ImportData* iData = _Listener::getImportData(srcMesh,tgtMesh);
n2n = &iData->_n2n;
e2e = &iData->_e2e;
if ( iData->_copyMeshSubM.empty() )
{
n2n->clear();
e2e->clear();
}
}
//================================================================================
/*!
* \brief Return submesh corresponding to the copied mesh
*/
//================================================================================
SMESH_subMesh* StdMeshers_Import_1D::getSubMeshOfCopiedMesh( SMESH_Mesh& tgtMesh,
SMESH_Mesh& srcMesh )
{
_ImportData* iData = _Listener::getImportData(&srcMesh,&tgtMesh);
if ( iData->_copyMeshSubM.empty() ) return 0;
SMESH_subMesh* sm = tgtMesh.GetSubMeshContaining( iData->_importMeshSubID );
return sm;
}

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// Copyright (C) 2007-2010 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
//
// 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
//
// SMESH SMESH : implementaion of SMESH idl descriptions
// Module : SMESH
//
#ifndef _SMESH_Import_1D_HXX_
#define _SMESH_Import_1D_HXX_
#include "SMESH_StdMeshers.hxx"
#include "SMESH_1D_Algo.hxx"
#include "SMDS_MeshElement.hxx"
class StdMeshers_ImportSource1D;
/*!
* \brief Copy elements from other the mesh
*/
class STDMESHERS_EXPORT StdMeshers_Import_1D: public SMESH_1D_Algo
{
public:
StdMeshers_Import_1D(int hypId, int studyId, SMESH_Gen* gen);
virtual bool CheckHypothesis(SMESH_Mesh& aMesh,
const TopoDS_Shape& aShape,
SMESH_Hypothesis::Hypothesis_Status& aStatus);
virtual bool Compute (SMESH_Mesh & aMesh, const TopoDS_Shape & aShape);
virtual bool Evaluate(SMESH_Mesh & aMesh, const TopoDS_Shape & aShape,
MapShapeNbElems& aResMap);
virtual void SetEventListener(SMESH_subMesh* subMesh);
virtual void SubmeshRestored(SMESH_subMesh* subMesh);
// internal utilities
typedef std::map<const SMDS_MeshNode*, const SMDS_MeshNode*, TIDCompare> TNodeNodeMap;
typedef std::map<const SMDS_MeshElement*,const SMDS_MeshElement*,TIDCompare> TElemElemMap;
static void getMaps(const SMESH_Mesh* srcMesh,
SMESH_Mesh* tgtMesh,
TNodeNodeMap*& n2n,
TElemElemMap*& e2e);
static void importMesh(const SMESH_Mesh* srcMesh,
SMESH_Mesh & tgtMesh,
StdMeshers_ImportSource1D* srcHyp,
const TopoDS_Shape& tgtShape);
static void setEventListener( SMESH_subMesh* subMesh,
StdMeshers_ImportSource1D* sourceHyp );
static SMESH_subMesh* getSubMeshOfCopiedMesh( SMESH_Mesh& tgtMesh,
SMESH_Mesh& srcMesh );
private:
StdMeshers_ImportSource1D* _sourceHyp;
};
#endif

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// Copyright (C) 2007-2010 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
//
// 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
//
// SMESH SMESH : implementaion of SMESH idl descriptions
// File : StdMeshers_Import_1D2D.cxx
// Module : SMESH
//
#include "StdMeshers_Import_1D2D.hxx"
#include "StdMeshers_Import_1D.hxx"
#include "StdMeshers_ImportSource.hxx"
#include "SMDS_MeshElement.hxx"
#include "SMDS_MeshNode.hxx"
#include "SMESHDS_Group.hxx"
#include "SMESHDS_Mesh.hxx"
#include "SMESH_Comment.hxx"
#include "SMESH_Gen.hxx"
#include "SMESH_Group.hxx"
#include "SMESH_Mesh.hxx"
#include "SMESH_MesherHelper.hxx"
#include "SMESH_subMesh.hxx"
#include "Utils_SALOME_Exception.hxx"
#include "utilities.h"
#include <BRep_Builder.hxx>
#include <BRep_Tool.hxx>
#include <TopExp.hxx>
#include <TopExp_Explorer.hxx>
#include <TopoDS.hxx>
#include <TopoDS_Compound.hxx>
#include <TopoDS_Edge.hxx>
#include <TopoDS_Vertex.hxx>
#include <numeric>
using namespace std;
//=============================================================================
/*!
* Creates StdMeshers_Import_1D2D
*/
//=============================================================================
StdMeshers_Import_1D2D::StdMeshers_Import_1D2D(int hypId, int studyId, SMESH_Gen * gen)
:SMESH_2D_Algo(hypId, studyId, gen), _sourceHyp(0)
{
MESSAGE("StdMeshers_Import_1D2D::StdMeshers_Import_1D2D");
_name = "Import_1D2D";
_shapeType = (1 << TopAbs_FACE);
_compatibleHypothesis.push_back("ImportSource2D");
_requireDescretBoundary = false;
}
//=============================================================================
/*!
* Check presence of a hypothesis
*/
//=============================================================================
bool StdMeshers_Import_1D2D::CheckHypothesis
(SMESH_Mesh& aMesh,
const TopoDS_Shape& aShape,
SMESH_Hypothesis::Hypothesis_Status& aStatus)
{
_sourceHyp = 0;
const list <const SMESHDS_Hypothesis * >&hyps = GetUsedHypothesis(aMesh, aShape);
if ( hyps.size() == 0 )
{
aStatus = SMESH_Hypothesis::HYP_MISSING;
return false; // can't work with no hypothesis
}
if ( hyps.size() > 1 )
{
aStatus = SMESH_Hypothesis::HYP_ALREADY_EXIST;
return false;
}
const SMESHDS_Hypothesis *theHyp = hyps.front();
string hypName = theHyp->GetName();
if (hypName == _compatibleHypothesis.front())
{
_sourceHyp = (StdMeshers_ImportSource1D *)theHyp;
aStatus = SMESH_Hypothesis::HYP_OK;
return true;
}
aStatus = SMESH_Hypothesis::HYP_INCOMPATIBLE;
return true;
}
namespace
{
/*!
* \brief OrientedLink additionally storing a medium node
*/
struct TLink : public SMESH_OrientedLink
{
const SMDS_MeshNode* _medium;
TLink( const SMDS_MeshNode* n1,
const SMDS_MeshNode* n2,
const SMDS_MeshNode* medium=0)
: SMESH_OrientedLink( n1,n2 ), _medium( medium ) {}
};
}
//=============================================================================
/*!
* Import elements from the other mesh
*/
//=============================================================================
bool StdMeshers_Import_1D2D::Compute(SMESH_Mesh & theMesh, const TopoDS_Shape & theShape)
{
if ( !_sourceHyp ) return false;
const vector<SMESH_Group*>& srcGroups = _sourceHyp->GetGroups();
if ( srcGroups.empty() )
return error("Invalid source groups");
SMESH_MesherHelper helper(theMesh);
helper.SetSubShape(theShape);
SMESHDS_Mesh* tgtMesh = theMesh.GetMeshDS();
const TopoDS_Face& geomFace = TopoDS::Face( theShape );
const double faceTol = helper.MaxTolerance( geomFace );
const int shapeID = tgtMesh->ShapeToIndex( geomFace );
const bool toCheckOri = (helper.NbAncestors( geomFace, theMesh, TopAbs_SOLID ) == 1 );
Handle(Geom_Surface) surface = BRep_Tool::Surface( geomFace );
if ( helper.GetSubShapeOri( tgtMesh->ShapeToMesh(), geomFace) == TopAbs_REVERSED )
surface->UReverse();
gp_Pnt p; gp_Vec du, dv;
set<int> subShapeIDs;
subShapeIDs.insert( shapeID );
// get nodes on vertices
list < SMESH_MeshEditor::TNodeXYZ > vertexNodes;
list < SMESH_MeshEditor::TNodeXYZ >::iterator vNIt;
TopExp_Explorer exp( theShape, TopAbs_VERTEX );
for ( ; exp.More(); exp.Next() )
{
const TopoDS_Vertex& v = TopoDS::Vertex( exp.Current() );
if ( !subShapeIDs.insert( tgtMesh->ShapeToIndex( v )).second )
continue;
const SMDS_MeshNode* n = SMESH_Algo::VertexNode( v, tgtMesh );
if ( !n )
{
_gen->Compute(theMesh,v,/*anUpward=*/true);
n = SMESH_Algo::VertexNode( v, tgtMesh );
if ( !n ) return false; // very strange
}
vertexNodes.push_back( SMESH_MeshEditor::TNodeXYZ( n ));
}
// to count now many times a link between nodes encounters
map<TLink, int> linkCount;
map<TLink, int>::iterator link2Nb;
// =========================
// Import faces from groups
// =========================
StdMeshers_Import_1D::TNodeNodeMap* n2n;
StdMeshers_Import_1D::TElemElemMap* e2e;
vector<const SMDS_MeshNode*> newNodes;
for ( int iG = 0; iG < srcGroups.size(); ++iG )
{
const SMESHDS_GroupBase* srcGroup = srcGroups[iG]->GetGroupDS();
const int meshID = srcGroup->GetMesh()->GetPersistentId();
const SMESH_Mesh* srcMesh = GetMeshByPersistentID( meshID );
if ( !srcMesh ) continue;
StdMeshers_Import_1D::getMaps( srcMesh, &theMesh, n2n, e2e );
SMDS_ElemIteratorPtr srcElems = srcGroup->GetElements();
SMDS_MeshNode tmpNode(0,0,0);
gp_XY uv;
while ( srcElems->more() ) // loop on group contents
{
const SMDS_MeshElement* face = srcElems->next();
// find or create nodes of a new face
newNodes.resize( face->NbNodes() );
newNodes.back() = 0;
int nbCreatedNodes = 0;
SMDS_MeshElement::iterator node = face->begin_nodes();
for ( unsigned i = 0; i < newNodes.size(); ++i, ++node )
{
TNodeNodeMap::iterator n2nIt = n2n->insert( make_pair( *node, (SMDS_MeshNode*)0 )).first;
if ( n2nIt->second )
{
if ( !subShapeIDs.count( n2nIt->second->GetPosition()->GetShapeId() ))
break;
}
else
{
// find an existing vertex node
for ( vNIt = vertexNodes.begin(); vNIt != vertexNodes.end(); ++vNIt)
if ( vNIt->SquareDistance( *node ) < 10 * faceTol * faceTol)
{
(*n2nIt).second = vNIt->_node;
vertexNodes.erase( vNIt );
break;
}
}
if ( !n2nIt->second )
{
// find out if node lies on theShape
tmpNode.setXYZ( (*node)->X(), (*node)->Y(), (*node)->Z());
if ( helper.CheckNodeUV( geomFace, &tmpNode, uv, 10 * faceTol, /*force=*/true ))
{
SMDS_MeshNode* newNode = tgtMesh->AddNode( (*node)->X(), (*node)->Y(), (*node)->Z());
n2nIt->second = newNode;
tgtMesh->SetNodeOnFace( newNode, shapeID, uv.X(), uv.Y() );
nbCreatedNodes++;
}
}
if ( !(newNodes[i] = n2nIt->second ))
break;
}
if ( !newNodes.back() )
continue; // not all nodes of the face lie on theShape
// try to find already created face
SMDS_MeshElement * newFace = 0;
if ( nbCreatedNodes == 0 &&
tgtMesh->FindElement(newNodes, SMDSAbs_Face, /*noMedium=*/false))
continue; // repeated face in source groups already created
// check future face orientation
if ( toCheckOri )
{
int iNode = -1;
gp_Vec geomNorm;
do
{
uv = helper.GetNodeUV( geomFace, newNodes[++iNode] );
surface->D1( uv.X(),uv.Y(), p, du,dv );
geomNorm = du ^ dv;
}
while ( geomNorm.SquareMagnitude() < 1e-6 && iNode+1 < face->NbCornerNodes());
int iNext = helper.WrapIndex( iNode+1, face->NbCornerNodes() );
int iPrev = helper.WrapIndex( iNode-1, face->NbCornerNodes() );
gp_Vec n1n0( SMESH_MeshEditor::TNodeXYZ( newNodes[iPrev] ) -
SMESH_MeshEditor::TNodeXYZ( newNodes[iNode] ));
gp_Vec n1n2( SMESH_MeshEditor::TNodeXYZ( newNodes[iNext] ) -
SMESH_MeshEditor::TNodeXYZ( newNodes[iNode] ));
gp_Vec meshNorm = n1n2 ^ n1n0;
if ( geomNorm * meshNorm < 0 )
std::reverse( newNodes.begin(), newNodes.end() );
}
// make a new face
switch ( newNodes.size() )
{
case 3:
newFace = tgtMesh->AddFace( newNodes[0], newNodes[1], newNodes[2] );
break;
case 4:
newFace = tgtMesh->AddFace( newNodes[0], newNodes[1], newNodes[2], newNodes[3] );
break;
case 6:
newFace = tgtMesh->AddFace( newNodes[0], newNodes[1], newNodes[2],
newNodes[3], newNodes[4], newNodes[5]);
break;
case 8:
newFace = tgtMesh->AddFace( newNodes[0], newNodes[1], newNodes[2], newNodes[3],
newNodes[4], newNodes[5], newNodes[6], newNodes[7]);
break;
default: continue;
}
tgtMesh->SetMeshElementOnShape( newFace, shapeID );
e2e->insert( make_pair( face, newFace ));
// collect links
int nbNodes = face->NbCornerNodes();
const SMDS_MeshNode* medium = 0;
for ( int i = 0; i < nbNodes; ++i )
{
const SMDS_MeshNode* n1 = newNodes[i];
const SMDS_MeshNode* n2 = newNodes[ (i+1)%nbNodes ];
if ( newFace->IsQuadratic() )
medium = newNodes[i+nbNodes];
link2Nb = linkCount.insert( make_pair( TLink( n1, n2, medium ), 0)).first;
++link2Nb->second;
}
}
}
// ==========================================================
// Put nodes on geom edges and create edges on them;
// check if the whole geom face is covered by imported faces
// ==========================================================
vector< TopoDS_Edge > edges;
for ( exp.Init( theShape, TopAbs_EDGE ); exp.More(); exp.Next() )
if ( subShapeIDs.insert( tgtMesh->ShapeToIndex( exp.Current() )).second )
edges.push_back( TopoDS::Edge( exp.Current() ));
bool isFaceMeshed = false;
if ( SMESHDS_SubMesh* tgtSM = tgtMesh->MeshElements( theShape ))
{
// the imported mesh is valid if all external links (encountered once)
// lie on geom edges
subShapeIDs.erase( shapeID ); // to contain edges and vertices only
double u, f, l;
for ( link2Nb = linkCount.begin(); link2Nb != linkCount.end(); ++link2Nb)
{
const TLink& link = (*link2Nb).first;
int nbFaces = link2Nb->second;
if ( nbFaces == 1 )
{
// check if the link lie on face boundary
bool nodesOnBoundary = true;
list< TopoDS_Shape > bndShapes;
for ( int is1stN = 0; is1stN < 2 && nodesOnBoundary; ++is1stN )
{
const SMDS_MeshNode* n = is1stN ? link.node1() : link.node2();
if ( !subShapeIDs.count( n->GetPosition()->GetShapeId() ))
{
for ( unsigned iE = 0; iE < edges.size(); ++iE )
if ( helper.CheckNodeU( edges[iE], n, u, 10 * faceTol, /*force=*/true ))
{
BRep_Tool::Range(edges[iE],f,l);
if ( Abs(u-f) < 2 * faceTol || Abs(u-l) < 2 * faceTol )
// duplicated node on vertex
return error("Source elements overlap one another");
tgtMesh->SetNodeOnEdge( (SMDS_MeshNode*)n, edges[iE], u );
break;
}
nodesOnBoundary = subShapeIDs.count( n->GetPosition()->GetShapeId());
}
if ( nodesOnBoundary )
{
TopoDS_Shape s = helper.GetSubShapeByNode( n, tgtMesh );
if ( s.ShapeType() == TopAbs_VERTEX )
bndShapes.push_front( s ); // vertex first
else
bndShapes.push_back( s ); // edges last
}
}
if ( !nodesOnBoundary )
break; // free internal link
if ( bndShapes.front().ShapeType() == TopAbs_EDGE &&
bndShapes.front() != bndShapes.back() )
break; // link nodes on different geom edges
// find geom edge the link is on
if ( bndShapes.back().ShapeType() != TopAbs_EDGE )
{
// find geom edge by two vertices
TopoDS_Shape geomEdge;
PShapeIteratorPtr edgeIt = helper.GetAncestors( bndShapes.back(), theMesh, TopAbs_EDGE );
while ( edgeIt->more() )
{
geomEdge = *(edgeIt->next());
if ( !helper.IsSubShape( bndShapes.front(), geomEdge ))
geomEdge.Nullify();
}
if ( geomEdge.IsNull() )
break; // vertices belong to different edges -> free internal link
bndShapes.push_back( geomEdge );
}
// create an edge if not yet exists
newNodes.resize(2);
newNodes[0] = link.node1(), newNodes[1] = link.node2();
const SMDS_MeshElement* edge = tgtMesh->FindElement( newNodes, SMDSAbs_Edge );
if ( edge ) continue;
if ( link._reversed ) std::swap( newNodes[0], newNodes[1] );
if ( link._medium )
{
newNodes.push_back( link._medium );
edge = tgtMesh->AddEdge( newNodes[0], newNodes[1], newNodes[2] );
TopoDS_Edge geomEdge = TopoDS::Edge(bndShapes.back());
helper.CheckNodeU( geomEdge, link._medium, u, 10*faceTol, /*force=*/true );
tgtMesh->SetNodeOnEdge( (SMDS_MeshNode*)link._medium, geomEdge, u );
}
else
{
edge = tgtMesh->AddEdge( newNodes[0], newNodes[1]);
}
// remove nodes from submesh of theShape
for ( unsigned i = 0; i < newNodes.size(); ++i )
tgtSM->RemoveNode( newNodes[i], /*isNodeDeleted=*/false );
if ( !edge )
return false;
tgtMesh->SetMeshElementOnShape( edge, bndShapes.back() );
}
else if ( nbFaces > 2 )
{
return error( "Non-manifold source mesh");
}
}
isFaceMeshed = ( link2Nb == linkCount.end() && !linkCount.empty());
if ( isFaceMeshed )
{
// check that source faces do not overlap:
// there must be only two edges sharing each vertex and bound to sub-edges of theShape
SMESH_MeshEditor editor( &theMesh );
set<int>::iterator subID = subShapeIDs.begin();
for ( ; subID != subShapeIDs.end(); ++subID )
{
const TopoDS_Shape& s = tgtMesh->IndexToShape( *subID );
if ( s.ShapeType() != TopAbs_VERTEX ) continue;
const SMDS_MeshNode* n = SMESH_Algo::VertexNode( TopoDS::Vertex(s), tgtMesh );
SMDS_ElemIteratorPtr eIt = n->GetInverseElementIterator(SMDSAbs_Edge);
int nbEdges = 0;
while ( eIt->more() )
{
const SMDS_MeshElement* edge = eIt->next();
int sId = editor.FindShape( edge );
nbEdges += subShapeIDs.count( sId );
}
if ( nbEdges < 2 )
return false; // weird
if ( nbEdges > 2 )
return error( "Source elements overlap one another");
}
}
}
if ( !isFaceMeshed )
return error( "Source elements don't cover totally the geometrical face" );
// notify sub-meshes of edges on computation
for ( unsigned iE = 0; iE < edges.size(); ++iE )
theMesh.GetSubMesh( edges[iE] )->ComputeStateEngine(SMESH_subMesh::CHECK_COMPUTE_STATE);
// ============
// Copy meshes
// ============
vector<SMESH_Mesh*> srcMeshes = _sourceHyp->GetSourceMeshes();
for ( unsigned i = 0; i < srcMeshes.size(); ++i )
StdMeshers_Import_1D::importMesh( srcMeshes[i], theMesh, _sourceHyp, theShape );
return true;
}
//=============================================================================
/*!
* \brief Set needed event listeners and create a submesh for a copied mesh
*
* This method is called only if a submesh has HYP_OK algo_state.
*/
//=============================================================================
void StdMeshers_Import_1D2D::SetEventListener(SMESH_subMesh* subMesh)
{
if ( !_sourceHyp )
{
const TopoDS_Shape& tgtShape = subMesh->GetSubShape();
SMESH_Mesh* tgtMesh = subMesh->GetFather();
Hypothesis_Status aStatus;
CheckHypothesis( *tgtMesh, tgtShape, aStatus );
}
StdMeshers_Import_1D::setEventListener( subMesh, _sourceHyp );
}
void StdMeshers_Import_1D2D::SubmeshRestored(SMESH_subMesh* subMesh)
{
SetEventListener(subMesh);
}
//=============================================================================
/*!
* Predict nb of mesh entities created by Compute()
*/
//=============================================================================
bool StdMeshers_Import_1D2D::Evaluate(SMESH_Mesh & theMesh,
const TopoDS_Shape & theShape,
MapShapeNbElems& aResMap)
{
if ( !_sourceHyp ) return false;
const vector<SMESH_Group*>& srcGroups = _sourceHyp->GetGroups();
if ( srcGroups.empty() )
return error("Invalid source groups");
vector<int> aVec(SMDSEntity_Last,0);
bool toCopyMesh, toCopyGroups;
_sourceHyp->GetCopySourceMesh(toCopyMesh, toCopyGroups);
if ( toCopyMesh ) // the whole mesh is copied
{
vector<SMESH_Mesh*> srcMeshes = _sourceHyp->GetSourceMeshes();
for ( unsigned i = 0; i < srcMeshes.size(); ++i )
{
SMESH_subMesh* sm = StdMeshers_Import_1D::getSubMeshOfCopiedMesh( theMesh, *srcMeshes[i]);
if ( !sm || aResMap.count( sm )) continue; // already counted
const SMDS_MeshInfo& aMeshInfo = srcMeshes[i]->GetMeshDS()->GetMeshInfo();
for (int i = 0; i < SMDSEntity_Last; i++)
aVec[i] = aMeshInfo.NbEntities((SMDSAbs_EntityType)i);
}
}
else
{
// std-like iterator used to get coordinates of nodes of mesh element
typedef SMDS_StdIterator< SMESH_MeshEditor::TNodeXYZ, SMDS_ElemIteratorPtr > TXyzIterator;
SMESH_MesherHelper helper(theMesh);
helper.SetSubShape(theShape);
const TopoDS_Face& geomFace = TopoDS::Face( theShape );
const double faceTol = helper.MaxTolerance( geomFace );
// take into account nodes on vertices
TopExp_Explorer exp( theShape, TopAbs_VERTEX );
for ( ; exp.More(); exp.Next() )
theMesh.GetSubMesh( exp.Current())->Evaluate( aResMap );
// to count now many times a link between nodes encounters,
// negative nb additionally means that a link is quadratic
map<SMESH_TLink, int> linkCount;
map<SMESH_TLink, int>::iterator link2Nb;
// count faces and nodes imported from groups
set<const SMDS_MeshNode* > allNodes;
gp_XY uv;
for ( int iG = 0; iG < srcGroups.size(); ++iG )
{
const SMESHDS_GroupBase* srcGroup = srcGroups[iG]->GetGroupDS();
SMDS_ElemIteratorPtr srcElems = srcGroup->GetElements();
SMDS_MeshNode tmpNode(0,0,0);
while ( srcElems->more() ) // loop on group contents
{
const SMDS_MeshElement* face = srcElems->next();
// find out if face is located on geomEdge by projecting
// a gravity center of face to geomFace
gp_XYZ gc(0,0,0);
gc = accumulate( TXyzIterator(face->nodesIterator()), TXyzIterator(), gc)/face->NbNodes();
tmpNode.setXYZ( gc.X(), gc.Y(), gc.Z());
if ( helper.CheckNodeUV( geomFace, &tmpNode, uv, 10 * faceTol, /*force=*/true ))
{
++aVec[ face->GetEntityType() ];
// collect links
int nbConers = face->NbCornerNodes();
for ( int i = 0; i < face->NbNodes(); ++i )
{
const SMDS_MeshNode* n1 = face->GetNode(i);
allNodes.insert( n1 );
if ( i < nbConers )
{
const SMDS_MeshNode* n2 = face->GetNode( (i+1)%nbConers );
link2Nb = linkCount.insert( make_pair( SMESH_TLink( n1, n2 ), 0)).first;
if ( (*link2Nb).second )
link2Nb->second += (link2Nb->second < 0 ) ? -1 : 1;
else
link2Nb->second += ( face->IsQuadratic() ) ? -1 : 1;
}
}
}
}
}
int nbNodes = allNodes.size();
allNodes.clear();
// count nodes and edges on geom edges
double u;
for ( exp.Init(theShape, TopAbs_EDGE); exp.More(); exp.Next() )
{
TopoDS_Edge geomEdge = TopoDS::Edge( exp.Current() );
SMESH_subMesh* sm = theMesh.GetSubMesh( geomEdge );
vector<int>& edgeVec = aResMap[sm];
if ( edgeVec.empty() )
{
edgeVec.resize(SMDSEntity_Last,0);
for ( link2Nb = linkCount.begin(); link2Nb != linkCount.end(); )
{
const SMESH_TLink& link = (*link2Nb).first;
int nbFacesOfLink = Abs( link2Nb->second );
bool eraseLink = ( nbFacesOfLink != 1 );
if ( nbFacesOfLink == 1 )
{
if ( helper.CheckNodeU( geomEdge, link.node1(), u, 10*faceTol, /*force=*/true )&&
helper.CheckNodeU( geomEdge, link.node2(), u, 10*faceTol, /*force=*/true ))
{
bool isQuadratic = ( link2Nb->second < 0 );
++edgeVec[ isQuadratic ? SMDSEntity_Quad_Edge : SMDSEntity_Edge ];
++edgeVec[ SMDSEntity_Node ];
--nbNodes;
eraseLink = true;
}
}
if ( eraseLink )
linkCount.erase(link2Nb++);
else
link2Nb++;
}
if ( edgeVec[ SMDSEntity_Node] > 0 )
--edgeVec[ SMDSEntity_Node ]; // for one node on vertex
}
else if ( !helper.IsSeamShape( geomEdge ) ||
geomEdge.Orientation() == TopAbs_FORWARD )
{
nbNodes -= 1+edgeVec[ SMDSEntity_Node ];
}
}
aVec[SMDSEntity_Node] = nbNodes;
}
SMESH_subMesh * sm = theMesh.GetSubMesh(theShape);
aResMap.insert(make_pair(sm,aVec));
return true;
}

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// Copyright (C) 2007-2010 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
//
// 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
//
// SMESH SMESH : implementaion of SMESH idl descriptions
// Module : SMESH
//
#ifndef _SMESH_Import_2D_HXX_
#define _SMESH_Import_2D_HXX_
#include "SMESH_StdMeshers.hxx"
#include "SMESH_2D_Algo.hxx"
#include "SMDS_MeshElement.hxx"
class StdMeshers_ImportSource1D;
/*!
* \brief Copy elements from other the mesh
*/
class STDMESHERS_EXPORT StdMeshers_Import_1D2D: public SMESH_2D_Algo
{
public:
StdMeshers_Import_1D2D(int hypId, int studyId, SMESH_Gen* gen);
virtual bool CheckHypothesis(SMESH_Mesh& aMesh,
const TopoDS_Shape& aShape,
SMESH_Hypothesis::Hypothesis_Status& aStatus);
virtual bool Compute (SMESH_Mesh & aMesh, const TopoDS_Shape & aShape);
virtual bool Evaluate(SMESH_Mesh & aMesh, const TopoDS_Shape & aShape,
MapShapeNbElems& aResMap);
virtual void SetEventListener(SMESH_subMesh* subMesh);
virtual void SubmeshRestored(SMESH_subMesh* subMesh);
private:
StdMeshers_ImportSource1D* _sourceHyp;
};
#endif