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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: itkQuadEdgeMeshSquaredEdgeLengthDecimationTest.cxx
Language: C++
Date: $Date$
Version: $Revision$
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/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 notices for more information.
=========================================================================*/
#include <itkQuadEdgeMesh.h>
#include <itkVTKPolyDataReader.h>
#include <itkVTKPolyDataWriter.h>
#include <sstream>
#include "itkQuadEdgeMeshDecimationCriteria.h"
#include "itkQuadEdgeMeshSquaredEdgeLengthDecimation.h"
int itkQuadEdgeMeshSquaredEdgeLengthDecimationTest( int argc, char* argv[] )
{
// ** ERROR MESSAGE AND HELP ** //
if( argc < 3 )
{
std::cout << "Requires 3 argument: " << std::endl;
std::cout << "1-Input file name " << std::endl;
std::cout << "2-Number of Faces " << std::endl;
std::cout << "3-Output file name " << std::endl;
return EXIT_FAILURE;
}
// ** TYPEDEF **
typedef double CoordType;
const unsigned int Dimension = 3;
typedef itk::QuadEdgeMesh< CoordType, Dimension > MeshType;
typedef itk::VTKPolyDataReader< MeshType > ReaderType;
typedef itk::VTKPolyDataWriter< MeshType > WriterType;
// ** READ THE FILE IN **
ReaderType::Pointer reader = ReaderType::New( );
reader->SetFileName( argv[1] );
try
{
reader->Update( );
}
catch( itk::ExceptionObject & excp )
{
std::cerr << "Exception thrown while reading the input file " << std::endl;
std::cerr << excp << std::endl;
return EXIT_FAILURE;
}
MeshType::Pointer mesh = reader->GetOutput( );
typedef itk::NumberOfFacesCriterion< MeshType > CriterionType;
typedef itk::QuadEdgeMeshSquaredEdgeLengthDecimation<
MeshType, MeshType, CriterionType > DecimationType;
long N;
std::stringstream ssout( argv[2] );
ssout >> N;
CriterionType::Pointer criterion = CriterionType::New();
criterion->SetTopologicalChange( true );
criterion->SetNumberOfElements( N );
DecimationType::Pointer decimate = DecimationType::New();
decimate->SetInput( mesh );
decimate->SetCriterion( criterion );
decimate->Update();
// ** WRITE OUTPUT **
WriterType::Pointer writer = WriterType::New( );
writer->SetInput( decimate->GetOutput( ) );
writer->SetFileName( argv[3] );
writer->Update( );
return EXIT_SUCCESS;
}
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