ITK  4.9.0
Insight Segmentation and Registration Toolkit
WikiExamples/IO/ReadUnknownImageType.cxx
#include "itkImage.h"
template<typename TImageType>
static void ReadFile(std::string filename, typename TImageType::Pointer image);
int main(int argc, char *argv[])
{
if(argc < 2)
{
std::cerr << "Required: filename" << std::endl;
return EXIT_FAILURE;
}
std::string inputFilename = argv[1];
typedef itk::ImageIOBase::IOComponentType ScalarPixelType;
inputFilename.c_str(), itk::ImageIOFactory::ReadMode);
if( !imageIO )
{
std::cerr << "Could not CreateImageIO for: " << inputFilename << std::endl;
return EXIT_FAILURE;
}
imageIO->SetFileName(inputFilename);
imageIO->ReadImageInformation();
const ScalarPixelType pixelType = imageIO->GetComponentType();
std::cout << "Pixel Type is " << imageIO->GetComponentTypeAsString(pixelType) // 'double'
<< std::endl;
const size_t numDimensions = imageIO->GetNumberOfDimensions();
std::cout << "numDimensions: " << numDimensions << std::endl; // '2'
std::cout << "component size: " << imageIO->GetComponentSize() << std::endl; // '8'
std::cout << "pixel type (string): " << imageIO->GetPixelTypeAsString(imageIO->GetPixelType()) << std::endl; // 'vector'
std::cout << "pixel type: " << imageIO->GetPixelType() << std::endl; // '5'
/*
switch (pixelType)
{
case itk::ImageIOBase::COVARIANTVECTOR:
typedef itk::Image<unsigned char, 2> ImageType;
ImageType::Pointer image = ImageType::New();
ReadFile<ImageType>(inputFilename, image);
break;
typedef itk::Image<unsigned char, 2> ImageType;
ImageType::Pointer image = ImageType::New();
ReadFile<ImageType>(inputFilename, image);
break;
default:
std::cerr << "Pixel Type ("
<< imageIO->GetComponentTypeAsString(pixelType)
<< ") not supported. Exiting." << std::endl;
return -1;
}
*/
return EXIT_SUCCESS;
}
template<typename TImageType>
void ReadFile(std::string filename, typename TImageType::Pointer image)
{
typename ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName(filename);
reader->Update();
image->Graft(reader->GetOutput());
}