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/*=========================================================================
Program: Visualization Toolkit
Module: vtkLevelIdScalars.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkLevelIdScalars.h"
#include "vtkAMRBox.h"
#include "vtkCellData.h"
#include "vtkHierarchicalBoxDataSet.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkObjectFactory.h"
#include "vtkUniformGrid.h"
#include "vtkUnsignedCharArray.h"
vtkStandardNewMacro(vtkLevelIdScalars);
//----------------------------------------------------------------------------
vtkLevelIdScalars::vtkLevelIdScalars()
{
}
//----------------------------------------------------------------------------
vtkLevelIdScalars::~vtkLevelIdScalars()
{
}
//----------------------------------------------------------------------------
// Map ids into attribute data
int vtkLevelIdScalars::RequestData(
vtkInformation *vtkNotUsed(request),
vtkInformationVector **inputVector,
vtkInformationVector *outputVector)
{
vtkInformation* inInfo = inputVector[0]->GetInformationObject(0);
vtkHierarchicalBoxDataSet *input = vtkHierarchicalBoxDataSet::SafeDownCast(
inInfo->Get(vtkDataObject::DATA_OBJECT()));
if (!input)
{
return 0;
}
vtkInformation* info = outputVector->GetInformationObject(0);
vtkHierarchicalBoxDataSet *output = vtkHierarchicalBoxDataSet::SafeDownCast(
info->Get(vtkDataObject::DATA_OBJECT()));
if (!output)
{
return 0;
}
unsigned int numLevels = input->GetNumberOfLevels();
output->SetNumberOfLevels(numLevels);
for (unsigned int levelIdx=0; levelIdx<numLevels; levelIdx++)
{
unsigned int numDS = input->GetNumberOfDataSets(levelIdx);
output->SetNumberOfDataSets(levelIdx, numDS);
// Copy level metadata.
if (input->HasLevelMetaData(levelIdx))
{
output->GetLevelMetaData(levelIdx)->Copy(
input->GetLevelMetaData(levelIdx));
}
for (unsigned int cc=0; cc < numDS; cc++)
{
vtkAMRBox box;
vtkUniformGrid* ds = input->GetDataSet(levelIdx, cc, box);
if (ds)
{
vtkUniformGrid* copy = this->ColorLevel(ds, levelIdx);
output->SetDataSet(levelIdx, cc, box, copy);
copy->Delete();
}
// Copy meta data for each dataset within a level.
if (input->HasMetaData(levelIdx, cc))
{
output->GetMetaData(levelIdx, cc)->Copy(
input->GetMetaData(levelIdx, cc));
}
}
}
return 1;
}
//----------------------------------------------------------------------------
vtkUniformGrid* vtkLevelIdScalars::ColorLevel(
vtkUniformGrid* input, int group)
{
vtkUniformGrid* output = 0;
output = input->NewInstance();
output->ShallowCopy(input);
vtkDataSet* dsOutput = vtkDataSet::SafeDownCast(output);
vtkIdType numCells = dsOutput->GetNumberOfCells();
vtkUnsignedCharArray* cArray = vtkUnsignedCharArray::New();
cArray->SetNumberOfTuples(numCells);
for (vtkIdType cellIdx=0; cellIdx<numCells; cellIdx++)
{
cArray->SetValue(cellIdx, group);
}
cArray->SetName("BlockIdScalars");
dsOutput->GetCellData()->AddArray(cArray);
cArray->Delete();
return output;
}
//----------------------------------------------------------------------------
void vtkLevelIdScalars::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
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