Difference between revisions of "ITK/Examples/ImageProcessing/BinaryImageToShapeLabelMapFilter"

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==BinaryImageToShapeLabelMapFilter.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 "itkImage.h"
#include "itkImageFileWriter.h"
#include "itkImageRegionIterator.h"
#include "itkBinaryImageToShapeLabelMapFilter.h"
 
typedef itk::Image<unsigned char, 2> ImageType;
void CreateImage(ImageType::Pointer image);
 
int main(int, char *[])
{
  ImageType::Pointer image = ImageType::New();
  CreateImage(image);
 
  typedef itk::BinaryImageToShapeLabelMapFilter<ImageType, ImageType> LabelMapFilterType;
  LabelMapFilterType::Pointer labelMapFilter = LabelMapFilterType::New();
  labelMapFilter->SetInput(image);
  labelMapFilter->Update();
 
  std::cout << "There are " << labelMapFilter->GetNumberOfLabelObjects() << " objects." << std::endl;
  for(unsigned int i = 0; i < labelMapFilter->GetNumberOfLabelObjects(); i++)
    {
    std::cout << "Object " << i << " has bounding box " << labelMapFilter->GetOutput(i)->GetBoundingBox() << std::endl;
    }
 
  return EXIT_SUCCESS;
}
 
void CreateImage(ImageType::Pointer image)
{
  ImageType::IndexType start;
  start.Fill(0);
 
  ImageType::SizeType size;
  size.Fill(20);
 
  ImageType::RegionType region;
  region.SetSize(size);
  region.SetIndex(start);
  image->SetRegions(region);
  image->Allocate();
 
   itk::ImageRegionIterator<ImageType> imageIterator(image,image->GetLargestPossibleRegion());
 
  // Make a square
  while(!imageIterator.IsAtEnd())
  {
    if((imageIterator.GetIndex()[0] > 5 && imageIterator.GetIndex()[0] < 10) &&
      (imageIterator.GetIndex()[1] > 5 && imageIterator.GetIndex()[1] < 10) )
        {
        imageIterator.Set(255);
        }
      else
        {
        imageIterator.Set(0);
        }
 
    ++imageIterator;
  }
 
}
</source>
 
==CMakeLists.txt==
<source lang="cmake">
cmake_minimum_required(VERSION 2.6)                                                                                                                                     
                                                                                                                                                                       
PROJECT(BinaryImageToShapeLabelMapFilter)                                                                                                                               
                                                                                                                                                                       
FIND_PACKAGE(ITK REQUIRED)                                                                                                                                             
INCLUDE(${ITK_USE_FILE})                                                                                                                                               
                                                                                                                                                                       
ADD_EXECUTABLE(BinaryImageToShapeLabelMapFilter BinaryImageToShapeLabelMapFilter.cxx)                                                                                   
TARGET_LINK_LIBRARIES(BinaryImageToShapeLabelMapFilter ITKIO ITKBasicFilters ITKCommon ITKReview )                                                                     
</source>

Latest revision as of 20:28, 4 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.