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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: VectorImageReadWrite.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 : BeginLatex
//
// This example illustrates how to read and write an image of pixel type
// \doxygen{Vector}.
//
// \index{itk::ImageFileRead!Vector images}
// \index{itk::ImageFileWrite!Vector images}
// \index{Vector images!Reading}
// \index{Vector images!Writing}
//
// Software Guide : EndLatex
// Software Guide : BeginLatex
//
// We should include the header files for the Image, the ImageFileReader and
// the ImageFileWriter.
//
// Software Guide : EndLatex
// Software Guide : BeginCodeSnippet
#include "itkImage.h"
#include "itkImageFileReader.h"
#include "itkImageFileWriter.h"
// Software Guide : EndCodeSnippet
int main( int argc, char * argv [] )
{
// Verify the number of parameters in the command line
if( argc < 3 )
{
std::cerr << "Usage: " << std::endl;
std::cerr << argv[0] << " inputImageFile outputImageFile " << std::endl;
return EXIT_FAILURE;
}
// Software Guide : BeginLatex
//
// Then we define the specific type of vector to be used as pixel type.
//
// Software Guide : EndLatex
// Software Guide : BeginCodeSnippet
const unsigned int VectorDimension = 3;
typedef itk::Vector< float, VectorDimension > PixelType;
// Software Guide : EndCodeSnippet
// Software Guide : BeginLatex
//
// We define the image dimension, and along with the pixel type we use it for
// fully instantiating the image type.
//
// Software Guide : EndLatex
// Software Guide : BeginCodeSnippet
const unsigned int ImageDimension = 2;
typedef itk::Image< PixelType, ImageDimension > ImageType;
// Software Guide : EndCodeSnippet
// Software Guide : BeginLatex
//
// Having the image type at hand, we can instantiate the reader and writer
// types, and use them for creating one object of each type.
//
// Software Guide : EndLatex
// Software Guide : BeginCodeSnippet
typedef itk::ImageFileReader< ImageType > ReaderType;
typedef itk::ImageFileWriter< ImageType > WriterType;
ReaderType::Pointer reader = ReaderType::New();
WriterType::Pointer writer = WriterType::New();
// Software Guide : EndCodeSnippet
// Software Guide : BeginLatex
//
// Filename must be provided to both the reader and the writer. In this
// particular case we take those filenames from the command line arguments.
//
// Software Guide : EndLatex
// Software Guide : BeginCodeSnippet
reader->SetFileName( argv[1] );
writer->SetFileName( argv[2] );
// Software Guide : EndCodeSnippet
// Software Guide : BeginLatex
//
// Being this a minimal example, we create a short pipeline where we simply
// connect the output of the reader to the input of the writer.
//
// Software Guide : EndLatex
// Software Guide : BeginCodeSnippet
writer->SetInput( reader->GetOutput() );
// Software Guide : EndCodeSnippet
// Software Guide : BeginLatex
//
// The execution of this short pipeline is triggered by invoking the writer's
// Update() method. This invocation must be placed inside a try/catch
// block since its execution may result in exceptions being thrown.
//
// Software Guide : EndLatex
// Software Guide : BeginCodeSnippet
try
{
writer->Update();
}
catch( itk::ExceptionObject & err )
{
std::cerr << "ExceptionObject caught !" << std::endl;
std::cerr << err << std::endl;
return EXIT_FAILURE;
}
// Software Guide : EndCodeSnippet
// Software Guide : BeginLatex
//
// Of course, you could envision the addition of filters in between the reader
// and the writer. Those filters could perform operations on the vector image.
//
// Software Guide : EndLatex
return EXIT_SUCCESS;
}
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