ITK/Examples/ImageProcessing/DivideImageFilter: Difference between revisions

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==DivideImageFilter.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 "itkDivideImageFilter.h"
#include "itkImage.h"
#include "itkImageFileWriter.h"
 
typedef itk::Image<unsigned char, 2> ImageType;
 
void CreateImage1(ImageType::Pointer image);
void CreateImage2(ImageType::Pointer image);
 
int main(int, char *[])
{
  ImageType::Pointer image1 = ImageType::New();
  CreateImage1(image1);
 
  ImageType::Pointer image2 = ImageType::New();
  CreateImage2(image2);
 
  typedef itk::DivideImageFilter <ImageType, ImageType, ImageType > DivideImageFilterType;
 
  DivideImageFilterType::Pointer divideImageFilter = DivideImageFilterType::New ();
  divideImageFilter->SetInput1(image1);
  divideImageFilter->SetInput2(image2);
  divideImageFilter->Update();
 
  typedef  itk::ImageFileWriter< ImageType  > WriterType;
  WriterType::Pointer writer = WriterType::New();
  writer->SetFileName("test.png");
  writer->SetInput(divideImageFilter->GetOutput());
  writer->Update();
 
  return EXIT_SUCCESS;
}
 
void CreateImage1(ImageType::Pointer image)
{
  // Create an image with 2 connected components
  ImageType::RegionType region;
  ImageType::IndexType start;
  start[0] = 0;
  start[1] = 0;
 
  ImageType::SizeType size;
  unsigned int NumRows = 200;
  unsigned int NumCols = 300;
  size[0] = NumRows;
  size[1] = NumCols;
 
  region.SetSize(size);
  region.SetIndex(start);
 
  image->SetRegions(region);
  image->Allocate();
 
  // Make a square
   for(unsigned int r = 20; r < 80; r++)
  {
      for(unsigned int c = 20; c < 80; c++)
      {
          ImageType::IndexType pixelIndex;
          pixelIndex[0] = r;
          pixelIndex[1] = c;
 
          image->SetPixel(pixelIndex, 15);
      }
  }
}
 
 
void CreateImage2(ImageType::Pointer image)
{
  // Create an image with 2 connected components
  ImageType::RegionType region;
  ImageType::IndexType start;
  start[0] = 0;
  start[1] = 0;
 
  ImageType::SizeType size;
  unsigned int NumRows = 200;
  unsigned int NumCols = 300;
  size[0] = NumRows;
  size[1] = NumCols;
 
  region.SetSize(size);
  region.SetIndex(start);
 
  image->SetRegions(region);
  image->Allocate();
 
  // Make another square
  for(unsigned int r = 40; r < 100; r++)
  {
      for(unsigned int c = 40; c < 100; c++)
      {
          ImageType::IndexType pixelIndex;
          pixelIndex[0] = r;
          pixelIndex[1] = c;
 
          image->SetPixel(pixelIndex, 15);
      }
  }
}
</source>
 
{{ITKCMakeLists|{{SUBPAGENAME}}}}

Latest revision as of 14:22, 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.