geom/src/OBJECT/GEOM_VertexSource.cxx
2009-02-13 12:16:39 +00:00

78 lines
2.1 KiB
C++
Executable File

// 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
//
// 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
//
#include "GEOM_VertexSource.h"
#include <vtkObjectFactory.h>
#include <vtkPoints.h>
#include <vtkCellArray.h>
#include <vtkPolyData.h>
#include <vtkPolyDataMapper.h>
#include <gp_Pnt.hxx>
#include <BRep_Tool.hxx>
vtkStandardNewMacro(GEOM_VertexSource);
GEOM_VertexSource::GEOM_VertexSource()
{
}
GEOM_VertexSource::~GEOM_VertexSource()
{
}
void
GEOM_VertexSource::
AddVertex(const TopoDS_Vertex& theVertex)
{
myVertexSet.Add(theVertex);
}
void
GEOM_VertexSource::
Execute()
{
vtkPolyData* aPolyData = GetOutput();
aPolyData->Allocate();
vtkPoints* aPts = vtkPoints::New();
aPolyData->SetPoints(aPts);
aPts->Delete();
TVertexSet::Iterator anIter(myVertexSet);
for(; anIter.More(); anIter.Next()){
const TopoDS_Vertex& aVertex = anIter.Value();
OCC2VTK(aVertex,aPolyData,aPts);
}
}
void
GEOM_VertexSource::
OCC2VTK(const TopoDS_Vertex& theVertex,
vtkPolyData* thePolyData,
vtkPoints* thePts)
{
gp_Pnt aPnt = BRep_Tool::Pnt(theVertex);
vtkIdType anId = thePts->InsertNextPoint(aPnt.X(),aPnt.Y(),aPnt.Z());
thePolyData->InsertNextCell(VTK_VERTEX,1,&anId);
}