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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile$
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 "vtkReebGraphSimplificationFilter.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkObjectFactory.h"
#include "vtkReebGraph.h"
vtkStandardNewMacro(vtkReebGraphSimplificationFilter);
//----------------------------------------------------------------------------
vtkReebGraphSimplificationFilter::vtkReebGraphSimplificationFilter()
{
this->SetNumberOfInputPorts(1);
this->SimplificationThreshold = 0;
this->SimplificationMetric = NULL;
}
//----------------------------------------------------------------------------
vtkReebGraphSimplificationFilter::~vtkReebGraphSimplificationFilter()
{
}
//----------------------------------------------------------------------------
void vtkReebGraphSimplificationFilter::SetSimplificationMetric(
vtkReebGraphSimplificationMetric *simplificationMetric)
{
this->SimplificationMetric = simplificationMetric;
}
//----------------------------------------------------------------------------
int vtkReebGraphSimplificationFilter::FillInputPortInformation(
int portNumber, vtkInformation *info)
{
if(!portNumber){
info->Remove(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE());
info->Append(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkReebGraph");
}
return 1;
}
//----------------------------------------------------------------------------
int vtkReebGraphSimplificationFilter::FillOutputPortInformation(
int, vtkInformation *info)
{
info->Set(vtkDirectedGraph::DATA_TYPE_NAME(), "vtkReebGraph");
return 1;
}
//----------------------------------------------------------------------------
void vtkReebGraphSimplificationFilter::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
os << indent << "Simplification Threshold: " << this->SimplificationThreshold << "\n";
}
//----------------------------------------------------------------------------
vtkReebGraph* vtkReebGraphSimplificationFilter::GetOutput()
{
return vtkReebGraph::SafeDownCast(this->GetOutputDataObject(0));
}
//----------------------------------------------------------------------------
int vtkReebGraphSimplificationFilter::RequestData( vtkInformation* vtkNotUsed(request), vtkInformationVector **inputVector, vtkInformationVector *outputVector)
{
vtkInformation* inInfo = inputVector[0]->GetInformationObject(0);
if (!inInfo)
{
return 0;
}
vtkReebGraph *input = vtkReebGraph::SafeDownCast(
inInfo->Get(vtkReebGraph::DATA_OBJECT()));
if (input)
{
vtkInformation *outInfo = outputVector->GetInformationObject(0);
vtkReebGraph *output = vtkReebGraph::SafeDownCast(
outInfo->Get(vtkReebGraph::DATA_OBJECT()));
if(output){
output->DeepCopy(input);
output->Simplify(SimplificationThreshold, SimplificationMetric);
}
if(!output){
output = vtkReebGraph::New();
output->DeepCopy(input);
output->Simplify(SimplificationThreshold, SimplificationMetric);
output->SetPipelineInformation(outInfo);
output->Delete();
}
return 1;
}
return 0;
}
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