ITK/Examples/SimpleOperations/TranslationTransform: Difference between revisions

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==TranslationTransform.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{{warning|1=The media wiki content on this page is no longer maintained.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 releases.   In 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 "itkTranslationTransform.h"
#include "itkImageFileReader.h"
#include "itkNormalizeImageFilter.h"
#include "itkResampleImageFilter.h"
#include "itkImageFileWriter.h"


#include "QuickView.h"
[https://itk.org/ITKExamples[ITK Sphinx Examples]]
 
typedef itk::Image<unsigned char, 2>  ImageType;
 
static void CreateImage(ImageType::Pointer image);
 
int main(int argc, char *argv[])
{
  ImageType::Pointer image = ImageType::New();
  CreateImage(image);
 
  typedef itk::TranslationTransform<double,2> TranslationTransformType;
  TranslationTransformType::Pointer transform =
    TranslationTransformType::New();
  TranslationTransformType::OutputVectorType translation;
  translation[0] = 10;
  translation[1] = 20;
  transform->Translate(translation);
 
  typedef itk::ResampleImageFilter<ImageType, ImageType> ResampleImageFilterType;
  ResampleImageFilterType::Pointer resampleFilter = ResampleImageFilterType::New();
  resampleFilter->SetTransform(transform.GetPointer());
  resampleFilter->SetInput(image);
 
  /*
  // These are the defaults
  double spacing[ 2 ];
  spacing[0] = 1.0;
  spacing[1] = 1.0;
  resampleFilter->SetOutputSpacing( spacing );
 
  double origin[ 2 ];
  origin[0] = 0.0;
  origin[1] = 0.0;
  resampleFilter->SetOutputOrigin( origin );
  */
 
  // Without this, the program crashes
  ImageType::SizeType  size = image->GetLargestPossibleRegion().GetSize();
  resampleFilter->SetSize( size );
 
  resampleFilter->Update();
 
  QuickView viewer;
  viewer.AddImage(image.GetPointer());
  viewer.AddImage(resampleFilter->GetOutput());
  viewer.Visualize();
 
 
  return EXIT_SUCCESS;
}
 
void CreateImage(ImageType::Pointer image)
{
  ImageType::IndexType start;
  start.Fill(0);
 
  ImageType::SizeType size;
  size.Fill(100);
 
  ImageType::RegionType region(start, size);
  image->SetRegions(region);
  image->Allocate();
  image->FillBuffer(0);
 
  // Make a square
  for(unsigned int r = 40; r < 60; r++)
    {
    for(unsigned int c = 40; c < 60; c++)
      {
      ImageType::IndexType pixelIndex;
      pixelIndex[0] = r;
      pixelIndex[1] = c;
 
      image->SetPixel(pixelIndex, 255);
      }
    }
}
</source>
 
{{ITKVTKCMakeLists|TranslationTransform|}}

Latest revision as of 14:20, 31 May 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.

[ITK Sphinx Examples]