ITK/Examples/ImageProcessing/MultiplyImageFilter

MultiplyImageFilter.cxx

<source lang="cpp">

1. include "itkImage.h"
2. include "itkImageFileWriter.h"
3. include "itkRescaleIntensityImageFilter.h"
4. include "itkMultiplyImageFilter.h"

1. 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::MultiplyImageFilter <ImageType, ImageType >
   MultiplyImageFilterType;

 MultiplyImageFilterType::Pointer multiplyFilter
   = MultiplyImageFilterType::New ();
 multiplyFilter->SetInput1(image1);
 multiplyFilter->SetInput2(image2);

 QuickView viewer;
 viewer.AddImage<ImageType>(image1);
 viewer.AddImage<ImageType>(image2);
 viewer.AddImage<ImageType>(multiplyFilter->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, 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>

CMakeLists.txt

<source lang="cmake"> cmake_minimum_required(VERSION 2.6)

PROJECT(MultiplyImageFilter)

include_directories(/home/doriad/src/ITK/Wrapping/WrapITK/ExternalProjects/ItkVtkGlue/src/)

FIND_PACKAGE(VTK REQUIRED) INCLUDE(${VTK_USE_FILE})

FIND_PACKAGE(ITK REQUIRED) INCLUDE(${ITK_USE_FILE})

ADD_EXECUTABLE(MultiplyImageFilter MultiplyImageFilter.cxx) TARGET_LINK_LIBRARIES(MultiplyImageFilter vtkHybrid ITKBasicFilters ITKCommon ITKIO) </source>