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SMDS_VtkEdge.cpp
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SMDS_VtkEdge.cpp
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// Copyright (C) 2010-2015 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, or (at your option) any later version.
//
// 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
//
#include "SMDS_VtkEdge.hxx"
#include "SMDS_MeshNode.hxx"
#include "SMDS_Mesh.hxx"
#include "SMDS_VtkCellIterator.hxx"
#include "utilities.h"
#include <vector>
#include <cassert>
using namespace std;
SMDS_VtkEdge::SMDS_VtkEdge()
{
}
SMDS_VtkEdge::SMDS_VtkEdge(std::vector<vtkIdType>& nodeIds, SMDS_Mesh* mesh)
{
init(nodeIds, mesh);
}
SMDS_VtkEdge::~SMDS_VtkEdge()
{
}
void SMDS_VtkEdge::init(std::vector<vtkIdType>& nodeIds, SMDS_Mesh* mesh)
{
SMDS_MeshEdge::init();
vtkUnstructuredGrid* grid = mesh->getGrid();
myMeshId = mesh->getMeshId();
vtkIdType aType = VTK_LINE;
if (nodeIds.size() == 3)
aType = VTK_QUADRATIC_EDGE;
myVtkID = grid->InsertNextLinkedCell(aType, nodeIds.size(), &nodeIds[0]);
mesh->setMyModified();
//MESSAGE("SMDS_VtkEdge::init myVtkID " << myVtkID);
}
bool SMDS_VtkEdge::ChangeNodes(const SMDS_MeshNode * node1, const SMDS_MeshNode * node2)
{
const SMDS_MeshNode* nodes[] = { node1, node2 };
SMDS_Mesh::_meshList[myMeshId]->setMyModified();
return ChangeNodes(nodes, 2);
}
bool SMDS_VtkEdge::ChangeNodes(const SMDS_MeshNode* nodes[], const int nbNodes)
{
vtkUnstructuredGrid* grid = SMDS_Mesh::_meshList[myMeshId]->getGrid();
#ifdef VTK_CELL_ARRAY_V2
vtkNew<vtkIdList> cellPoints;
grid->GetCellPoints(myVtkID, cellPoints.GetPointer());
if (nbNodes != cellPoints->GetNumberOfIds())
{
MESSAGE("ChangeNodes problem: not the same number of nodes " << cellPoints->GetNumberOfIds() << " -> " << nbNodes);
return false;
}
for (int i = 0; i < nbNodes; i++)
{
cellPoints->SetId(i, nodes[i]->getVtkId());
}
#else
vtkIdType npts = 0;
vtkIdType* pts = 0;
grid->GetCellPoints(myVtkID, npts, pts);
if (nbNodes != npts)
{
MESSAGE("ChangeNodes problem: not the same number of nodes " << npts << " -> " << nbNodes);
return false;
}
for (int i = 0; i < nbNodes; i++)
{
pts[i] = nodes[i]->getVtkId();
}
#endif
SMDS_Mesh::_meshList[myMeshId]->setMyModified();
return true;
}
bool SMDS_VtkEdge::IsMediumNode(const SMDS_MeshNode* node) const
{
vtkUnstructuredGrid* grid = SMDS_Mesh::_meshList[myMeshId]->getGrid();
vtkIdType npts = 0;
vtkIdTypePtr pts = 0;
grid->GetCellPoints(myVtkID, npts, pts);
//MESSAGE("IsMediumNode " << npts << " " << (node->getVtkId() == pts[npts-1]));
return ((npts == 3) && (node->getVtkId() == pts[2]));
}
void SMDS_VtkEdge::Print(std::ostream & OS) const
{
OS << "edge <" << GetID() << "> : ";
}
int SMDS_VtkEdge::NbNodes() const
{
vtkUnstructuredGrid* grid = SMDS_Mesh::_meshList[myMeshId]->getGrid();
int nbPoints = grid->GetCell(myVtkID)->GetNumberOfPoints();
assert(nbPoints >= 2);
return nbPoints;
}
int SMDS_VtkEdge::NbEdges() const
{
return 1;
}
SMDSAbs_EntityType SMDS_VtkEdge::GetEntityType() const
{
if (NbNodes() == 2)
return SMDSEntity_Edge;
else
return SMDSEntity_Quad_Edge;
}
vtkIdType SMDS_VtkEdge::GetVtkType() const
{
if (NbNodes() == 2)
return VTK_LINE;
else
return VTK_QUADRATIC_EDGE;
}
/*!
* \brief Return node by its index
* \param ind - node index
* \retval const SMDS_MeshNode* - the node
*/
const SMDS_MeshNode*
SMDS_VtkEdge::GetNode(const int ind) const
{
vtkUnstructuredGrid* grid = SMDS_Mesh::_meshList[myMeshId]->getGrid();
vtkIdType npts;
vtkIdTypePtr pts;
grid->GetCellPoints( this->myVtkID, npts, pts );
return SMDS_Mesh::_meshList[myMeshId]->FindNodeVtk( pts[ ind ]);
}
bool SMDS_VtkEdge::IsQuadratic() const
{
if (this->NbNodes() > 2)
return true;
else
return false;
}
SMDS_ElemIteratorPtr SMDS_VtkEdge::elementsIterator(SMDSAbs_ElementType type) const
{
switch (type)
{
case SMDSAbs_Node:
return SMDS_ElemIteratorPtr(new SMDS_VtkCellIterator(SMDS_Mesh::_meshList[myMeshId], myVtkID, GetEntityType()));
default:
MESSAGE("ERROR : Iterator not implemented");
return SMDS_ElemIteratorPtr((SMDS_ElemIterator*) NULL);
}
}
SMDS_NodeIteratorPtr SMDS_VtkEdge::nodesIteratorToUNV() const
{
return SMDS_NodeIteratorPtr(new SMDS_VtkCellIteratorToUNV(SMDS_Mesh::_meshList[myMeshId], myVtkID, GetEntityType()));
}
SMDS_NodeIteratorPtr SMDS_VtkEdge::interlacedNodesIterator() const
{
return nodesIteratorToUNV();
}