ITK  4.13.0
Insight Segmentation and Registration Toolkit
WikiExamples/Images/MirrorPadImageFilter.cxx
#include "itkImage.h"
typedef itk::Image<unsigned char, 2> ImageType;
static void CreateImage(ImageType::Pointer image);
int main(int, char *[])
{
ImageType::Pointer image = ImageType::New();
CreateImage(image);
MirrorPadImageFilterType;
ImageType::SizeType lowerBound;
lowerBound[0] = 20;
lowerBound[1] = 30;
ImageType::SizeType upperBound;
upperBound[0] = 50;
upperBound[1] = 40;
MirrorPadImageFilterType::Pointer padFilter
= MirrorPadImageFilterType::New();
padFilter->SetInput(image);
padFilter->SetPadLowerBound(lowerBound);
padFilter->SetPadUpperBound(upperBound);
padFilter->Update();
return EXIT_SUCCESS;
}
void CreateImage(ImageType::Pointer image)
{
// Create an image
start[0] = 0;
start[1] = 0;
size[0] = 200;
size[1] = 100;
itk::ImageRegion<2> region(start,size);
image->SetRegions(region);
image->Allocate();
itk::ImageRegionIterator<ImageType> imageIterator(image,image->GetLargestPossibleRegion());
while(!imageIterator.IsAtEnd())
{
double distance = sqrt(pow(100.0 - imageIterator.GetIndex()[0], 2) + pow(50.0 - imageIterator.GetIndex()[1],2));
imageIterator.Set(static_cast<unsigned char>(distance));
++imageIterator;
}
}