ITK  5.2.0
Insight Toolkit
SphinxExamples/src/Developer/MultiThreadedImageFilter.cxx
#include "itkImage.h"
#include "MultiThreadedImageFilter.h"
template <typename TImage>
static void
CreateImage(TImage * const image);
template <typename TImage>
static void
OutputImage(TImage * const image);
int
main(int, char *[])
{
// Setup types
using ImageType = itk::Image<int, 2>;
using FilterType = itk::MultiThreadedImageFilter<ImageType>;
ImageType::Pointer image = ImageType::New();
CreateImage(image.GetPointer());
// Create and the filter
FilterType::Pointer filter = FilterType::New();
filter->SetInput(image);
// filter->SetNumberOfThreads(3); // There is no need to specify this, it is automatically determined
filter->Update();
std::cout << "Image after filter: " << std::endl;
OutputImage(image.GetPointer());
std::cout << "Output: " << std::endl;
OutputImage(filter->GetOutput());
return EXIT_SUCCESS;
}
template <typename TImage>
void
CreateImage(TImage * const image)
{
// Create an image with 2 connected components
typename TImage::IndexType corner = { { 0, 0 } };
// unsigned int NumRows = 200;
// unsigned int NumCols = 300;
unsigned int NumRows = 3;
unsigned int NumCols = 2;
typename TImage::SizeType size = { { NumRows, NumCols } };
typename TImage::RegionType region(corner, size);
image->SetRegions(region);
image->Allocate();
image->FillBuffer(0);
}
template <typename TImage>
void
OutputImage(TImage * const image)
{
itk::ImageRegionConstIterator<TImage> imageIterator(image, image->GetLargestPossibleRegion());
while (!imageIterator.IsAtEnd())
{
std::cout << imageIterator.Get() << std::endl;
++imageIterator;
}
}
itkImageFileReader.h
itk::GTest::TypedefsAndConstructors::Dimension2::SizeType
ImageBaseType::SizeType SizeType
Definition: itkGTestTypedefsAndConstructors.h:49
itkImage.h
itk::GTest::TypedefsAndConstructors::Dimension2::IndexType
ImageBaseType::IndexType IndexType
Definition: itkGTestTypedefsAndConstructors.h:50
itk::GTest::TypedefsAndConstructors::Dimension2::RegionType
ImageBaseType::RegionType RegionType
Definition: itkGTestTypedefsAndConstructors.h:54
itkImageFileWriter.h
itk::ImageConstIterator::Get
PixelType Get() const
Definition: itkImageConstIterator.h:343
itk::ImageRegionConstIterator
A multi-dimensional iterator templated over image type that walks a region of pixels.
Definition: itkImageRegionConstIterator.h:107
itk::Image
Templated n-dimensional image class.
Definition: itkImage.h:86