ITK/Examples/Iterators/ImageBoundaryFacesCalculator: Difference between revisions

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==ImageBoundaryFacesCalculator.cxx==
{{warning|1=The media wiki content on this page is no longer maintainedThe 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 "itkImage.h"
#include "itkShapedNeighborhoodIterator.h"
#include "itkImageRegionIterator.h"
#include "itkNeighborhoodAlgorithm.h"
 
typedef itk::Image<unsigned char, 2> ImageType;
 
static void CreateImage(ImageType::Pointer image);
 
int main(int, char*[])
{
  ImageType::Pointer image = ImageType::New();
  CreateImage(image);
 
  ImageType::SizeType radius;
  radius.Fill(1);
 
  typedef itk::ImageRegionConstIterator<ImageType> IteratorType;
 
  typedef itk::NeighborhoodAlgorithm
    ::ImageBoundaryFacesCalculator< ImageType > FaceCalculatorType;
 
  FaceCalculatorType faceCalculator;
  FaceCalculatorType::FaceListType faceList;
  faceList = faceCalculator(image, image->GetLargestPossibleRegion(),
                            radius);
 
  FaceCalculatorType::FaceListType::iterator faceListIterator;
 
  for ( faceListIterator=faceList.begin(); faceListIterator != faceList.end(); ++faceListIterator)
    {
    IteratorType iterator(image,*faceListIterator);
    while(!iterator.IsAtEnd())
      {
      std::cout << iterator.GetIndex() << " ";
      ++iterator;
      }
 
    std::cout << std::endl;
    }
 
  return EXIT_SUCCESS;
}
 
void CreateImage(ImageType::Pointer image)
{
  ImageType::IndexType start;
  start[0] = 0;
  start[1] = 0;
 
  ImageType::SizeType size;
  size[0] = 5;
  size[1] = 5;
 
  ImageType::RegionType region;
  region.SetSize(size);
  region.SetIndex(start);
 
  image->SetRegions(region);
  image->Allocate();
 
   itk::ImageRegionIterator<ImageType> imageIterator(image,region);
 
  while(!imageIterator.IsAtEnd())
    {
    imageIterator.Set(2);
    ++imageIterator;
    }
 
}
</source>
 
{{ITKCMakeLists|{{SUBPAGENAME}}}}

Latest revision as of 14:36, 6 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Warning: The media wiki content on this page is no longer maintained.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.