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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: VectorIndexSelection.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.
=========================================================================*/
#if defined(_MSC_VER)
#pragma warning ( disable : 4786 )
#endif
#ifdef __BORLANDC__
#define ITK_LEAN_AND_MEAN
#endif
// Software Guide : BeginCodeSnippet
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
#include "itkVectorIndexSelectionCastImageFilter.h"
#include "itkRGBPixel.h"
// Software Guide : EndCodeSnippet
#include "itkImage.h"
int main( int argc, char * argv[] )
{
// Verify the number of parameters in the command line
if( argc < 4 )
{
std::cerr << "Usage: " << std::endl;
std::cerr << argv[0] << " inputImageFile outputImageFile component" << std::endl;
return EXIT_FAILURE;
}
// Software Guide : BeginCodeSnippet
typedef itk::RGBPixel<unsigned char> InputPixelType;
typedef unsigned char OutputPixelType;
const unsigned int Dimension = 2;
typedef itk::Image< InputPixelType, Dimension > InputImageType;
typedef itk::Image< OutputPixelType, Dimension > OutputImageType;
// Software Guide : EndCodeSnippet
// Software Guide : BeginCodeSnippet
typedef itk::ImageFileReader< InputImageType > ReaderType;
typedef itk::VectorIndexSelectionCastImageFilter< InputImageType, OutputImageType > FilterType;
typedef itk::ImageFileWriter< OutputImageType > WriterType;
// Software Guide : EndCodeSnippet
// Software Guide : BeginCodeSnippet
FilterType::Pointer filter = FilterType::New();
filter->SetIndex(atoi(argv[3]));
// Software Guide : EndCodeSnippet
// Software Guide : BeginLatex
//
// Then, we create the reader and writer and connect the pipeline.
//
// \index{itk::ImageFileReader!New()}
// \index{itk::ImageFileWriter!New()}
// \index{itk::ImageFileReader!SmartPointer}
// \index{itk::ImageFileWriter!SmartPointer}
//
// Software Guide : EndLatex
// Software Guide : BeginCodeSnippet
ReaderType::Pointer reader = ReaderType::New();
WriterType::Pointer writer = WriterType::New();
filter->SetInput( reader->GetOutput() );
writer->SetInput( filter->GetOutput() );
// Software Guide : EndCodeSnippet
//
// Here we recover the file names from the command line arguments
//
const char * inputFilename = argv[1];
const char * outputFilename = argv[2];
// Software Guide : BeginCodeSnippet
reader->SetFileName( inputFilename );
writer->SetFileName( outputFilename );
// Software Guide : EndCodeSnippet
// Software Guide : BeginLatex
//
// Finally we trigger the execution of the pipeline with the Update()
// method on the writer. The output image will then be the scaled and cast
// version of the input image.
//
// Software Guide : EndLatex
// Software Guide : BeginCodeSnippet
try
{
writer->Update();
}
catch( itk::ExceptionObject & err )
{
std::cout << "ExceptionObject caught !" << std::endl;
std::cout << err << std::endl;
return EXIT_FAILURE;
}
// Software Guide : EndCodeSnippet
return EXIT_SUCCESS;
}
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