ITK/Examples/SimpleOperations/WidthHeight: Difference between revisions

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(Created page with "==WidthHeight.cxx== <source lang="cpp"> #include "itkImage.h" #include "itkImageFileReader.h" int main(int, char *[]) { // Create a vector image typedef itk::Image<float, 2>...")
 
(Deprecated content that is moved to sphinx)
 
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==WidthHeight.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{{warning|1=The media wiki content on this page is no longer maintained.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 "itkImageFileReader.h"


int main(int, char *[])
[https://itk.org/ITKExamples[ITK Sphinx Examples]]
{
  // Create a vector image
  typedef itk::Image<float, 2>  ImageType;
 
  typedef itk::ImageFileReader<ImageType> ReaderType;
 
  ReaderType::Pointer reader = ReaderType::New();
  reader->SetFileName("test.png");
  reader->Update();
 
  std::cout << reader->GetOutput()->GetLargestPossibleRegion().GetSize()[0] << " "
            << reader->GetOutput()->GetLargestPossibleRegion().GetSize()[1] << std::endl;
 
  // An example image had w = 200 and h = 100 (it is wider than it is tall). The above output
  // 200 100
  // so w = GetSize()[0]
  // and h = GetSize()[1]
 
  // A pixel inside the region
  itk::Index<2> indexInside;
  indexInside[0] = 150;
  indexInside[1] = 50;
  std::cout << reader->GetOutput()->GetLargestPossibleRegion().IsInside(indexInside) << std::endl;
 
  // A pixel outside the region
  itk::Index<2> indexOutside;
  indexOutside[0] = 50;
  indexOutside[1] = 150;
  std::cout << reader->GetOutput()->GetLargestPossibleRegion().IsInside(indexOutside) << std::endl;
 
  // This means that the [0] component of the index is referencing the left to right (x) value
  // and the [1] component of Index is referencing the top to bottom (y) value
 
  return EXIT_SUCCESS;
}
 
</source>
 
{{ITKCMakeLists|WidthHeight}}

Latest revision as of 21:17, 3 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Warning: The media wiki content on this page is no longer maintained.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.

[ITK Sphinx Examples]

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