ITK/Examples/Math/Trig/Atan2ImageFilter: Difference between revisions

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==Atan2ImageFilter.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{{warning|1=The media wiki content on this page is no longer maintained.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 "itkAtan2ImageFilter.h"
#include "itkImage.h"


typedef itk::Image<float, 2>  FloatImageType;
[https://itk.org/ITKExamples[ITK Sphinx Examples]]
 
static void CreateImage1(FloatImageType::Pointer image);
static void CreateImage2(FloatImageType::Pointer image);
 
int main(int, char *[])
{
  FloatImageType::Pointer image1 = FloatImageType::New();
  CreateImage1(image1);
 
  FloatImageType::Pointer image2 = FloatImageType::New();
  CreateImage2(image2);
 
  // Compute the atan of each pixel
  typedef itk::Atan2ImageFilter <FloatImageType, FloatImageType, FloatImageType>
          Atan2ImageFilterType;
 
  Atan2ImageFilterType::Pointer atan2ImageFilter
          = Atan2ImageFilterType::New ();
  atan2ImageFilter->SetInput1(image1);
  atan2ImageFilter->SetInput2(image2);
  atan2ImageFilter->Update();
 
  return EXIT_SUCCESS;
}
 
void CreateImage1(FloatImageType::Pointer image)
{
  FloatImageType::IndexType start;
  start.Fill(0);
 
  FloatImageType::SizeType size;
  size.Fill(10);
 
  FloatImageType::RegionType region(start,size);
 
  image->SetRegions(region);
  image->Allocate();
 
  itk::ImageRegionIterator<FloatImageType> imageIterator(image,region);
 
  while(!imageIterator.IsAtEnd())
    {
    imageIterator.Set(imageIterator.GetIndex()[0] - imageIterator.GetIndex()[1]);
    ++imageIterator;
    }
 
}
 
void CreateImage2(FloatImageType::Pointer image)
{
  FloatImageType::IndexType start;
  start.Fill(0);
 
  FloatImageType::SizeType size;
  size.Fill(10);
 
  FloatImageType::RegionType region(start,size);
 
  image->SetRegions(region);
  image->Allocate();
 
  itk::ImageRegionIterator<FloatImageType> imageIterator(image,region);
 
  while(!imageIterator.IsAtEnd())
    {
    imageIterator.Set(imageIterator.GetIndex()[0] - imageIterator.GetIndex()[1]);
    ++imageIterator;
    }
 
}
 
</source>
 
{{ITKCMakeLists|{{SUBPAGENAME}}}}

Latest revision as of 19:16, 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Warning: The media wiki content on this page is no longer maintained.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]