int
main(int argc, char * argv[])
{
if (argc != 6)
{
std::cerr << "Usage: " << std::endl;
std::cerr << argv[0];
std::cerr << " <InputFileName> <OutputFileName1X> <OutputFileName1Y> <OutputFileName2X> <OutputFileName2Y>";
std::cerr << std::endl;
return EXIT_FAILURE;
}
const char * inputFileName = argv[1];
const char * outputFileName1X = argv[2];
const char * outputFileName1Y = argv[3];
const char * outputFileName2X = argv[4];
const char * outputFileName2Y = argv[5];
const char * filenames[4];
filenames[0] = outputFileName1X;
filenames[1] = outputFileName1Y;
filenames[2] = outputFileName2X;
filenames[3] = outputFileName2Y;
constexpr unsigned int ImageDimension = 2;
constexpr unsigned int VectorDimension = 2;
constexpr unsigned int CovDimension = 4;
using PixelType = unsigned char;
using DoublePixelType = double;
ReaderType::Pointer reader = ReaderType::New();
reader->SetFileName(inputFileName);
InvertType::Pointer inverter = InvertType::New();
inverter->SetInput(reader->GetOutput());
CasterType::Pointer caster = CasterType::New();
CasterType::Pointer caster2 = CasterType::New();
ComposeType::Pointer composer = ComposeType::New();
caster->SetInput(reader->GetOutput());
composer->SetInput(0, caster->GetOutput());
caster2->SetInput(inverter->GetOutput());
composer->SetInput(1, caster2->GetOutput());
FilterType::Pointer filter = FilterType::New();
filter->SetInput(composer->GetOutput());
IndexSelectionType::Pointer indexSelectionFilter = IndexSelectionType::New();
indexSelectionFilter->SetInput(filter->GetOutput());
RescalerType::Pointer rescaler = RescalerType::New();
rescaler->SetInput(indexSelectionFilter->GetOutput());
WriterType::Pointer writer = WriterType::New();
writer->SetInput(rescaler->GetOutput());
for (int i = 0; i < 4; ++i)
{
indexSelectionFilter->SetIndex(i);
writer->SetFileName(filenames[i]);
try
{
writer->Update();
}
catch (itk::ExceptionObject & error)
{
std::cerr << "Error: " << error << std::endl;
return EXIT_FAILURE;
}
}
return EXIT_SUCCESS;
}