ITK/Examples/ImageProcessing/PasteImageFilter: Difference between revisions

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<div class="floatright">[[File:ITK_Examples_Baseline_ImageProcessing_TestPasteImageFilter.png]]</div>
{{warning|1=The media wiki content on this page is no longer maintained.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.
==PasteImageFilter.cxx==
}}
<source lang="cpp">
#include "itkImage.h"
#include "itkImageFileWriter.h"
#include "itkPasteImageFilter.h"


#include "itkImageToVTKImageFilter.h"
[https://itk.org/ITKExamples[ITK Sphinx Examples]]
 
#include "QuickView.h"
 
typedef itk::Image<unsigned char, 2>  ImageType;
 
static void CreateImage1(ImageType::Pointer image);
static 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::PasteImageFilter <ImageType, ImageType >
    PasteImageFilterType;
 
  // The SetDestinationIndex() method prescribes where in the first
  // input to start pasting data from the second input.
  // The SetSourceRegion method prescribes the section of the second
  // image to paste into the first.
 
  ImageType::IndexType destinationIndex;
  destinationIndex[0] = 10;
  destinationIndex[1] = 10;
 
  PasteImageFilterType::Pointer pasteFilter
    = PasteImageFilterType::New ();
  pasteFilter->SetSourceImage(image1);
  pasteFilter->SetDestinationImage(image2);
  pasteFilter->SetSourceRegion(image1->GetLargestPossibleRegion());
  pasteFilter->SetDestinationIndex(destinationIndex);
 
  QuickView viewer;
  viewer.AddImage(
    image1.GetPointer());
  viewer.AddImage(
    image2.GetPointer());
  viewer.AddImage(
    pasteFilter->GetOutput());
 
  viewer.Visualize();
 
  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, 255);
      }
    }
}
 
 
void CreateImage2(ImageType::Pointer image)
{
  // Create an image
  ImageType::RegionType region;
  ImageType::IndexType start;
  start[0] = 0;
  start[1] = 0;
 
  ImageType::SizeType size;
  unsigned int NumRows = 400;
  unsigned int NumCols = 500;
  size[0] = NumRows;
  size[1] = NumCols;
 
  region.SetSize(size);
  region.SetIndex(start);
 
  image->SetRegions(region);
  image->Allocate();
 
  // Make another square
  for(unsigned int r = 0; r < NumRows; r++)
    {
    for(unsigned int c = 0; c < NumCols; c++)
      {
      ImageType::IndexType pixelIndex;
      pixelIndex[0] = r;
      pixelIndex[1] = c;
 
      image->SetPixel(pixelIndex, 200);
      }
    }
}
</source>
 
{{ITKVTKCMakeLists|{{SUBPAGENAME}}}}

Latest revision as of 15:11, 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]