ITK/Examples/ImageProcessing/TileImageFilter CreateVolume

TileImageFilter.cxx

<source lang="cpp">

1. include "itkTileImageFilter.h"
2. include "itkImageFileReader.h"
3. include "itkImageFileWriter.h"
4. include "itkImage.h"

int main(int argc, char *argv[] ) {

 typedef unsigned char  PixelType;
 const unsigned int InputImageDimension = 2;
 const unsigned int OutputImageDimension = 3;

 typedef itk::Image< PixelType, InputImageDimension  >   InputImageType;
 typedef itk::Image< PixelType, OutputImageDimension >   OutputImageType;

 typedef itk::ImageFileReader< InputImageType > ImageReaderType ;

 typedef itk::TileImageFilter< InputImageType, OutputImageType > TilerType;

 typedef itk::ImageFileWriter< OutputImageType > WriterType;

 if (argc < 4)
   {
   std::cerr << "Usage: " << std::endl;
   std::cerr << argv[0] << "input1 input2 ... inputn output" << std::endl;
   return EXIT_FAILURE;
   }

 TilerType::Pointer tiler = TilerType::New();

 itk::FixedArray< unsigned int, OutputImageDimension > layout;

 layout[0] = 2;
 layout[1] = 2;
 layout[2] = 0;

 tiler->SetLayout( layout );

 unsigned int inputImageNumber = 0;

 ImageReaderType::Pointer reader = ImageReaderType::New();

 InputImageType::Pointer inputImageTile;

 for (int i = 1; i < argc - 1; i++)
   {
   reader->SetFileName( argv[i] );
   reader->UpdateLargestPossibleRegion();
   inputImageTile = reader->GetOutput();
   inputImageTile->DisconnectPipeline();
   tiler->SetInput( inputImageNumber++, inputImageTile );
   }

 PixelType filler = 128;

 tiler->SetDefaultPixelValue( filler );

 tiler->Update();

 WriterType::Pointer writer = WriterType::New();

 writer->SetInput( tiler->GetOutput() );

 writer->SetFileName( argv[argc-1] );

 try
   {
   writer->Update();
   }
 catch( itk::ExceptionObject & excp )
   {
   std::cerr << excp << std::endl;
   return EXIT_FAILURE;
   }

 return EXIT_SUCCESS;

} </source>

CMakeLists.txt

<source lang="cmake"> cmake_minimum_required(VERSION 2.8) if(COMMAND CMAKE_POLICY)

 cmake_policy(SET CMP0003 NEW)

endif(COMMAND CMAKE_POLICY)

project(TileImageFilter)

find_package(ITK REQUIRED) include(${ITK_USE_FILE})

add_executable(TileImageFilter TileImageFilter.cxx )

target_link_libraries(TileImageFilter ${ITK_LIBRARIES}) </source>