Difference between revisions of "ITK/Examples/Segmentation/SimpleContourExtractorImageFilter"

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(Deprecated content that is moved to sphinx)
 
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Is this the intended usage?
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{{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.}}
 
 
==SimpleContourExtractorImageFilter.cxx==
 
<source lang="cpp">
 
#include "itkImage.h"
 
#include "itkImageFileWriter.h"
 
#include "itkSimpleContourExtractorImageFilter.h"
 
#include "itkImageRegionIterator.h"
 
 
 
typedef itk::Image<unsigned char, 2> UnsignedCharImageType;
 
 
 
static void CreateImage(UnsignedCharImageType::Pointer image);
 
 
 
int main(int, char *[])
 
{
 
  UnsignedCharImageType::Pointer image = UnsignedCharImageType::New();
 
  CreateImage(image);
 
 
 
  typedef itk::SimpleContourExtractorImageFilter <UnsignedCharImageType, UnsignedCharImageType>
 
          SimpleContourExtractorImageFilterType;
 
  SimpleContourExtractorImageFilterType::Pointer contourFilter
 
          = SimpleContourExtractorImageFilterType::New();
 
  contourFilter->SetInput(image);
 
  contourFilter->Update();
 
 
 
  typedef  itk::ImageFileWriter< UnsignedCharImageType  > WriterType;
 
  WriterType::Pointer writer = WriterType::New();
 
  writer->SetFileName("output.png");
 
  writer->SetInput(contourFilter->GetOutput());
 
  writer->Update();
 
 
 
  return EXIT_SUCCESS;
 
}
 
 
 
void CreateImage(UnsignedCharImageType::Pointer image)
 
{
 
  // Create an image
 
  itk::Index<2> start;
 
  start.Fill(0);
 
 
 
  itk::Size<2> size;
 
  size.Fill(100);
 
 
 
   itk::ImageRegion<2> region(start,size);
 
 
 
  image->SetRegions(region);
 
  image->Allocate();
 
  image->FillBuffer(0);
 
 
 
  // Create a line pixels
 
  for(unsigned int i = 40; i < 60; ++i)
 
    {
 
    itk::Index<2> pixel;
 
    pixel.Fill(i);
 
    image->SetPixel(pixel, 255);
 
    }
 
   
 
  // Create another line of pixels
 
  for(unsigned int i = 10; i < 20; ++i)
 
    {
 
    itk::Index<2> pixel;
 
    pixel[0] = 10;
 
    pixel[1] = i;
 
    image->SetPixel(pixel, 255);
 
    }
 
 
  typedef  itk::ImageFileWriter< UnsignedCharImageType  > WriterType;
 
  WriterType::Pointer writer = WriterType::New();
 
  writer->SetFileName("input.png");
 
  writer->SetInput(image);
 
  writer->Update();
 
}
 
 
 
</source>
 
 
 
{{ITKCMakeLists|{{SUBPAGENAME}}}}
 

Latest revision as of 18:30, 7 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.