ITK/Examples/ImageProcessing/Compose3DCovariantVectorImageFilter: Difference between revisions

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==Compose3DCovariantVectorImageFilter.cxx==
{{warning|1=The media wiki content on this page is no longer maintained. The examples presented on the https://itk.org/Wiki/* pages likely require ITK version 4.13 or earlier releasesIn many cases, the examples on this page no longer conform to the best practices for modern ITK versions.
<source lang="cpp">
}}
#include "itkImageAdaptor.h"
#include "itkImageRegionIterator.h"
#if ITK_VERSION_MAJOR < 4
#include "itkCompose3DCovariantVectorImageFilter.h"
#else
#include "itkComposeImageFilter.h"
#endif
 
typedef itk::Image<itk::CovariantVector< float, 3>, 2> VectorImageType;
typedef itk::Image<float, 2> ScalarImageType;
 
static void CreateImage(ScalarImageType::Pointer image);
 
int main(int, char *[])
{
  ScalarImageType::Pointer image = ScalarImageType::New();
  CreateImage(image);
 
#if ITK_VERSION_MAJOR < 4
  typedef itk::Compose3DCovariantVectorImageFilter<ScalarImageType,
                              VectorImageType> ComposeCovariantVectorImageFilterType;
#else
  typedef itk::ComposeImageFilter<ScalarImageType,
                              VectorImageType> ComposeCovariantVectorImageFilterType;
#endif
  ComposeCovariantVectorImageFilterType::Pointer composeFilter = ComposeCovariantVectorImageFilterType::New();
 
  composeFilter->SetInput1(image);
  composeFilter->SetInput2(image);
  composeFilter->SetInput3(image);
  composeFilter->Update();
 
  itk::Index<2> index;
  index.Fill(0);
 
  std::cout << image->GetPixel(index) << std::endl;
 
  std::cout << composeFilter->GetOutput()->GetPixel(index) << std::endl;
 
  return EXIT_SUCCESS;
}
 
void CreateImage(ScalarImageType::Pointer image)
{
  ScalarImageType::IndexType start;
  start.Fill(0);
 
   ScalarImageType::SizeType size;
  size.Fill(2);
 
  ScalarImageType::RegionType region;
  region.SetSize(size);
  region.SetIndex(start);
 
  image->SetRegions(region);
  image->Allocate();
 
  itk::ImageRegionIterator<ScalarImageType> imageIterator(image,image->GetLargestPossibleRegion());
 
  while(!imageIterator.IsAtEnd())
    {
    imageIterator.Set(1.2);
 
    ++imageIterator;
    }
}
</source>
{{ITKCMakeLists|{{SUBPAGENAME}}}}

Latest revision as of 18:04, 5 June 2019

Warning: The media wiki content on this page is no longer maintained. The examples presented on the https://itk.org/Wiki/* pages likely require ITK version 4.13 or earlier releases. In many cases, the examples on this page no longer conform to the best practices for modern ITK versions.