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/*=========================================================================
Program: Visualization Toolkit
Module: vtkCountFaces.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 "vtkCountFaces.h"
#include "vtkCellData.h"
#include "vtkCellIterator.h"
#include "vtkDataSet.h"
#include "vtkIdTypeArray.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkNew.h"
#include "vtkObjectFactory.h"
vtkStandardNewMacro(vtkCountFaces)
//------------------------------------------------------------------------------
void vtkCountFaces::PrintSelf(std::ostream &os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
os << indent << "OutputArrayName: "
<< (this->OutputArrayName ? this->OutputArrayName : "(NULL)") << "\n";
}
//------------------------------------------------------------------------------
vtkCountFaces::vtkCountFaces()
: OutputArrayName(NULL)
{
this->SetOutputArrayName("Face Count");
}
//------------------------------------------------------------------------------
vtkCountFaces::~vtkCountFaces()
{
this->SetOutputArrayName(NULL);
}
//------------------------------------------------------------------------------
int vtkCountFaces::RequestData(vtkInformation *,
vtkInformationVector **inInfoVec,
vtkInformationVector *outInfoVec)
{
// get the info objects
vtkInformation *inInfo = inInfoVec[0]->GetInformationObject(0);
vtkInformation *outInfo = outInfoVec->GetInformationObject(0);
// get the input and output
vtkDataSet *input = vtkDataSet::SafeDownCast(
inInfo->Get(vtkDataObject::DATA_OBJECT()));
vtkDataSet *output = vtkDataSet::SafeDownCast(
outInfo->Get(vtkDataObject::DATA_OBJECT()));
assert(input && output);
output->ShallowCopy(input);
vtkNew<vtkIdTypeArray> faceCount;
faceCount->Allocate(input->GetNumberOfCells());
faceCount->SetName(this->OutputArrayName);
output->GetCellData()->AddArray(faceCount.Get());
vtkCellIterator *it = input->NewCellIterator();
for (it->InitTraversal(); !it->IsDoneWithTraversal(); it->GoToNextCell())
{
faceCount->InsertNextValue(it->GetNumberOfFaces());
}
it->Delete();
return 1;
}
//------------------------------------------------------------------------------
int vtkCountFaces::FillOutputPortInformation(int, vtkInformation *info)
{
info->Set(vtkDataObject::DATA_TYPE_NAME(), "vtkDataSet");
return 1;
}
//------------------------------------------------------------------------------
int vtkCountFaces::FillInputPortInformation(int, vtkInformation *info)
{
info->Set(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkDataSet");
return 1;
}
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