-// Copyright (C) 2007-2008 CEA/DEN, EDF R&D, OPEN CASCADE
+// Copyright (C) 2007-2015 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
+// 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 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.
+// 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
+// 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
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
//
+
#include "SMESH_ExtractGeometry.h"
#include <vtkCell.h>
using namespace std;
-#ifdef _DEBUG_
-static int MYDEBUG = 0;
-#else
-static int MYDEBUG = 0;
-#endif
+//#ifdef _DEBUG_
+//static int MYDEBUG = 0;
+//#else
+//static int MYDEBUG = 0;
+//#endif
#if defined __GNUC__
#if __GNUC__ == 2
{}
-SMESH_ExtractGeometry::~SMESH_ExtractGeometry(){}
-
+SMESH_ExtractGeometry::~SMESH_ExtractGeometry()
+{}
-vtkIdType SMESH_ExtractGeometry::GetElemObjId(int theVtkID){
- if(myElemVTK2ObjIds.empty() || theVtkID > myElemVTK2ObjIds.size()) return -1;
-#if defined __GNUC_2__
+vtkIdType SMESH_ExtractGeometry::GetElemObjId(int theVtkID)
+{
+ if( theVtkID < 0 || theVtkID >= (int)myElemVTK2ObjIds.size()) return -1;
return myElemVTK2ObjIds[theVtkID];
-#else
- return myElemVTK2ObjIds.at(theVtkID);
-#endif
}
-vtkIdType SMESH_ExtractGeometry::GetNodeObjId(int theVtkID){
- if(myNodeVTK2ObjIds.empty() || theVtkID > myNodeVTK2ObjIds.size()) return -1;
-#if defined __GNUC_2__
+vtkIdType SMESH_ExtractGeometry::GetNodeObjId(int theVtkID)
+{
+ if ( theVtkID < 0 || theVtkID >= (int)myNodeVTK2ObjIds.size()) return -1;
return myNodeVTK2ObjIds[theVtkID];
-#else
- return myNodeVTK2ObjIds.at(theVtkID);
-#endif
}
-int SMESH_ExtractGeometry::RequestData(
- vtkInformation *vtkNotUsed(request),
- vtkInformationVector **inputVector,
- vtkInformationVector *outputVector)
+int SMESH_ExtractGeometry::RequestData(vtkInformation *vtkNotUsed(request),
+ vtkInformationVector **inputVector,
+ vtkInformationVector *outputVector)
{
// get the info objects
vtkInformation *inInfo = inputVector[0]->GetInformationObject(0);
vtkInformation *outInfo = outputVector->GetInformationObject(0);
// get the input and ouptut
- vtkDataSet *input = vtkDataSet::SafeDownCast(
- inInfo->Get(vtkDataObject::DATA_OBJECT()));
- vtkUnstructuredGrid *output = vtkUnstructuredGrid::SafeDownCast(
- outInfo->Get(vtkDataObject::DATA_OBJECT()));
+ vtkDataSet *input =
+ vtkDataSet::SafeDownCast(inInfo->Get(vtkDataObject::DATA_OBJECT()));
+ vtkUnstructuredGrid *output =
+ vtkUnstructuredGrid::SafeDownCast(outInfo->Get(vtkDataObject::DATA_OBJECT()));
vtkIdType ptId, numPts, numCells, i, cellId, newCellId, newId, *pointMap;
vtkIdList *cellPts;
vtkCell *cell;
int numCellPts;
- vtkFloatingPointType *x;
- vtkFloatingPointType multiplier;
+ double *x;
+ double multiplier;
vtkPoints *newPts;
vtkIdList *newCellPts;
vtkPointData *pd = input->GetPointData();
int npts;
numCells = input->GetNumberOfCells();
numPts = input->GetNumberOfPoints();
-
+
vtkDebugMacro(<< "Extracting geometry");
if ( ! this->ImplicitFunction )
- {
+ {
vtkErrorMacro(<<"No implicit function specified");
return 0;
- }
+ }
newCellPts = vtkIdList::New();
newCellPts->Allocate(VTK_CELL_SIZE);
if ( this->ExtractInside )
- {
+ {
multiplier = 1.0;
- }
- else
- {
+ }
+ else
+ {
multiplier = -1.0;
- }
+ }
// Loop over all points determining whether they are inside the
// implicit function. Copy the points and point data if they are.
//
pointMap = new vtkIdType[numPts]; // maps old point ids into new
for (i=0; i < numPts; i++)
- {
+ {
pointMap[i] = -1;
- }
+ }
output->Allocate(numCells/4); //allocate storage for geometry/topology
newPts = vtkPoints::New();
outputPD->CopyAllocate(pd);
outputCD->CopyAllocate(cd);
vtkFloatArray *newScalars = NULL;
-
+
if(myStoreMapping){
myElemVTK2ObjIds.clear();
myElemVTK2ObjIds.reserve(numCells);
}
if ( ! this->ExtractBoundaryCells )
- {
+ {
for ( ptId=0; ptId < numPts; ptId++ )
- {
+ {
x = input->GetPoint(ptId);
if ( (this->ImplicitFunction->FunctionValue(x)*multiplier) < 0.0 )
- {
+ {
newId = newPts->InsertNextPoint(x);
pointMap[ptId] = newId;
- myNodeVTK2ObjIds.push_back(ptId);
+ myNodeVTK2ObjIds.push_back(ptId);
outputPD->CopyData(pd,ptId,newId);
- }
}
}
+ }
else
- {
+ {
// To extract boundary cells, we have to create supplemental information
if ( this->ExtractBoundaryCells )
- {
- vtkFloatingPointType val;
+ {
+ double val;
newScalars = vtkFloatArray::New();
newScalars->SetNumberOfValues(numPts);
for (ptId=0; ptId < numPts; ptId++ )
- {
+ {
x = input->GetPoint(ptId);
val = this->ImplicitFunction->FunctionValue(x) * multiplier;
newScalars->SetValue(ptId, val);
if ( val < 0.0 )
- {
+ {
newId = newPts->InsertNextPoint(x);
pointMap[ptId] = newId;
- myNodeVTK2ObjIds.push_back(ptId);
+ myNodeVTK2ObjIds.push_back(ptId);
outputPD->CopyData(pd,ptId,newId);
- }
}
}
}
+ }
// Now loop over all cells to see whether they are inside implicit
// function (or on boundary if ExtractBoundaryCells is on).
//
for (cellId=0; cellId < numCells; cellId++)
- {
+ {
cell = input->GetCell(cellId);
cellPts = cell->GetPointIds();
numCellPts = cell->GetNumberOfPoints();
newCellPts->Reset();
if ( ! this->ExtractBoundaryCells ) //requires less work
- {
+ {
for ( npts=0, i=0; i < numCellPts; i++, npts++)
- {
+ {
ptId = cellPts->GetId(i);
if ( pointMap[ptId] < 0 )
- {
+ {
break; //this cell won't be inserted
- }
+ }
else
- {
+ {
newCellPts->InsertId(i,pointMap[ptId]);
- }
}
- } //if don't want to extract boundary cells
-
+ }
+ } //if don't want to extract boundary cells
+
else //want boundary cells
- {
+ {
for ( npts=0, i=0; i < numCellPts; i++ )
- {
+ {
ptId = cellPts->GetId(i);
if ( newScalars->GetValue(ptId) <= 0.0 )
- {
+ {
npts++;
- }
}
+ }
if ( npts > 0 )
- {
+ {
for ( i=0; i < numCellPts; i++ )
- {
+ {
ptId = cellPts->GetId(i);
if ( pointMap[ptId] < 0 )
- {
+ {
x = input->GetPoint(ptId);
newId = newPts->InsertNextPoint(x);
pointMap[ptId] = newId;
- myNodeVTK2ObjIds.push_back(ptId);
+ myNodeVTK2ObjIds.push_back(ptId);
outputPD->CopyData(pd,ptId,newId);
- }
- newCellPts->InsertId(i,pointMap[ptId]);
}
- }//a boundary or interior cell
- }//if mapping boundary cells
-
+ newCellPts->InsertId(i,pointMap[ptId]);
+ }
+ }//a boundary or interior cell
+ }//if mapping boundary cells
+
if ( npts >= numCellPts || (this->ExtractBoundaryCells && npts > 0) )
- {
+ {
+ if(cell->GetCellType() == VTK_POLYHEDRON) {
+ newCellPts->Reset();
+ vtkUnstructuredGrid::SafeDownCast(input)->GetFaceStream( cellId ,newCellPts );
+ vtkUnstructuredGrid::ConvertFaceStreamPointIds(newCellPts, pointMap);
+ }
newCellId = output->InsertNextCell(cell->GetCellType(),newCellPts);
myElemVTK2ObjIds.push_back(cellId);
outputCD->CopyData(cd,cellId,newCellId);
- }
- }//for all cells
+ }
+ }//for all cells
// Update ourselves and release memory
//
newCellPts->Delete();
output->SetPoints(newPts);
newPts->Delete();
-
+
if ( this->ExtractBoundaryCells )
- {
+ {
newScalars->Delete();
- }
+ }
output->Squeeze();
return 1;
