ITK/Examples/Images/ConstantPadImageFilter: Difference between revisions

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(Procedures should be static for test driver)
Line 10: Line 10:
typedef itk::Image<unsigned char, 2>  ImageType;
typedef itk::Image<unsigned char, 2>  ImageType;


void CreateImage(ImageType::Pointer image);
static void CreateImage(ImageType::Pointer image);
void WriteImage(ImageType::Pointer image, std::string filename);
static void WriteImage(ImageType::Pointer image, std::string filename);


int main(int, char *[])
int main(int, char *[])
Line 19: Line 19:
   WriteImage(image, "input.png");
   WriteImage(image, "input.png");


 
 
   typedef itk::ConstantPadImageFilter <ImageType, ImageType>
   typedef itk::ConstantPadImageFilter <ImageType, ImageType>
          ConstantPadImageFilterType;
    ConstantPadImageFilterType;


   ImageType::SizeType lowerExtendRegion;
   ImageType::SizeType lowerExtendRegion;
Line 34: Line 34:


   ConstantPadImageFilterType::Pointer padFilter
   ConstantPadImageFilterType::Pointer padFilter
          = ConstantPadImageFilterType::New();
    = ConstantPadImageFilterType::New();
   padFilter->SetInput(image);
   padFilter->SetInput(image);
   //padFilter->SetPadBound(outputRegion); // Calls SetPadLowerBound(region) and SetPadUpperBound(region)
   //padFilter->SetPadBound(outputRegion); // Calls SetPadLowerBound(region) and SetPadUpperBound(region)
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   WriteImage(padFilter->GetOutput(), "output.png");
   WriteImage(padFilter->GetOutput(), "output.png");
 
 
   return EXIT_SUCCESS;
   return EXIT_SUCCESS;
}
}

Revision as of 16:36, 1 March 2011

ITK Examples Baseline Images TestConstantPadImageFilter.png

ConstantPadImageFilter.cxx

<source lang="cpp">

  1. include "itkImage.h"
  2. include "itkImageFileWriter.h"
  3. include "itkRescaleIntensityImageFilter.h"
  4. include "itkConstantPadImageFilter.h"
  5. include "itkImageRegionIterator.h"

typedef itk::Image<unsigned char, 2> ImageType;

static void CreateImage(ImageType::Pointer image); static void WriteImage(ImageType::Pointer image, std::string filename);

int main(int, char *[]) {

 ImageType::Pointer image = ImageType::New();
 CreateImage(image);
 WriteImage(image, "input.png");


 typedef itk::ConstantPadImageFilter <ImageType, ImageType>
   ConstantPadImageFilterType;
 ImageType::SizeType lowerExtendRegion;
 lowerExtendRegion[0] = 10;
 lowerExtendRegion[1] = 10;
 ImageType::SizeType upperExtendRegion;
 upperExtendRegion[0] = 50;
 upperExtendRegion[1] = 50;
 ImageType::PixelType constantPixel = 100;
 ConstantPadImageFilterType::Pointer padFilter
   = ConstantPadImageFilterType::New();
 padFilter->SetInput(image);
 //padFilter->SetPadBound(outputRegion); // Calls SetPadLowerBound(region) and SetPadUpperBound(region)
 padFilter->SetPadLowerBound(lowerExtendRegion);
 padFilter->SetPadUpperBound(upperExtendRegion);
 padFilter->SetConstant(constantPixel);
 padFilter->Update();
 WriteImage(padFilter->GetOutput(), "output.png");
 return EXIT_SUCCESS;

}

void CreateImage(ImageType::Pointer image) {

 // Create an image
 ImageType::IndexType start;
 start.Fill(0);
 ImageType::SizeType size;
 size.Fill(100);
 ImageType::RegionType region(start, size);
 image->SetRegions(region);
 image->Allocate();
 image->FillBuffer(0);

}

void WriteImage(ImageType::Pointer image, std::string filename) {

 typedef  itk::ImageFileWriter< ImageType  > WriterType;
 WriterType::Pointer writer = WriterType::New();
 writer->SetFileName(filename);
 writer->SetInput(image);
 writer->Update();

} </source>

CMakeLists.txt

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

PROJECT(ConstantPadImageFilter)

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(ConstantPadImageFilter ConstantPadImageFilter.cxx) TARGET_LINK_LIBRARIES(ConstantPadImageFilter vtkHybrid ITKBasicFilters ITKCommon ITKIO)

</source>