int
main(int argc, char * argv[])
{
if (argc != 7)
{
std::cerr << "Usage: " << std::endl;
std::cerr << argv[0];
std::cerr << " <InputFileName> <OutputFileName>";
std::cerr << " <start x> <end x> <start y> <end y>";
std::cerr << std::endl;
return EXIT_FAILURE;
}
const char * inputFileName = argv[1];
const char * outputFileName = argv[2];
const auto startx = static_cast<itk::IndexValueType>(std::stoi(argv[3]));
const auto endx = static_cast<itk::IndexValueType>(std::stoi(argv[4]));
const auto starty = static_cast<itk::IndexValueType>(std::stoi(argv[5]));
const auto endy = static_cast<itk::IndexValueType>(std::stoi(argv[6]));
using PixelType = unsigned char;
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName(inputFileName);
start[0] = startx;
start[1] = starty;
end[0] = endx;
end[1] = endy;
region.SetUpperIndex(end);
FilterType::Pointer filter = FilterType::New();
filter->SetInput(reader->GetOutput());
filter->SetRegionOfInterest(region);
WriterType::Pointer writer = WriterType::New();
writer->SetFileName(outputFileName);
writer->SetInput(filter->GetOutput());
try
{
writer->Update();
}
catch (itk::ExceptionObject & error)
{
std::cerr << "Error: " << error << std::endl;
return EXIT_FAILURE;
}
return EXIT_SUCCESS;
}