int
main(int argc, char * argv[])
{
if (argc != 3)
{
std::cerr << "Usage: " << std::endl;
std::cerr << argv[0] << " <InputImage> <OutputImage" << std::endl;
return EXIT_FAILURE;
}
const char * inputFileName = argv[1];
const char * outputFileName = argv[2];
using InputPixelType = unsigned char;
using OutputPixelType = float;
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName(inputFileName);
FilterType::Pointer gradientFilter = FilterType::New();
gradientFilter->SetInput(reader->GetOutput());
WriterType::Pointer writer = WriterType::New();
writer->SetFileName(outputFileName);
writer->SetInput(gradientFilter->GetOutput());
try
{
writer->Update();
}
catch (itk::ExceptionObject & error)
{
std::cerr << "Error: " << error << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}