void IoParams::parse(int ac, char* av[]) { namespace po = boost::program_options; typedef std::vector<std::string> StringVectorType; StringVectorType vItems; po::options_description desc("Allowed Options"); desc.add_options() ("help", " produce help message") ("out", po::value(&strOut), " output transform file (.tm3d)") ("template", po::value(&strTemplate), " template volume (only for geometry) - if a gcam is present, it needs to be specified") ("subject", po::value(&strSubject), " subject volume (only for geometry)" ) ("in", po::value(&vItems)->multitoken(), " input transforms - affine|volume|morph|mesh|gcam + fname") ("dbg", po::value(&vDbgCoords)->multitoken(), " enter debug coordinates ") ; po::variables_map vm; po::store( po::parse_command_line(ac,av,desc), vm); po::notify(vm); if ( vm.count("help") ) { std::cout << desc << std::endl; exit(0); } if ( strOut.empty() ) { std::cerr << " Empty output file name\n"; exit(1); } // parse input terms if ( vItems.empty() ) { std::cout << " nothing to do - no transforms specified\n"; exit(0); } if ( vItems.size() % 2 ) { std::cerr << " odd number of transform tokens\n"; exit(1); } for ( StringVectorType::iterator it = vItems.begin(); it != vItems.end(); ) { MorphItem item; item.type = *it++; item.file = *it++; this->items.push_back(item); } // next it }
void buildImageIntensityModelOnROI(const char* referenceFilename, const char* maskFilename, const char* dir, const char* outputImageFilename) { typedef itk::PCAModelBuilder<RepresenterType> ModelBuilderType; typedef itk::StatisticalModel<RepresenterType> StatisticalModelType; typedef std::vector<std::string> StringVectorType; typedef itk::DataManager<RepresenterType> DataManagerType; RepresenterType::Pointer representer = RepresenterType::New(); typedef itk::ImageFileReader< ImageType > MaskReaderType; MaskReaderType::Pointer maskReader = MaskReaderType::New(); maskReader->SetFileName( maskFilename ); maskReader->Update(); representer->SetReference( ReadImageFromFile(referenceFilename), maskReader->GetOutput() ); StringVectorType filenames; getdir(dir, filenames, ".vtk"); DataManagerType::Pointer dataManager = DataManagerType::New(); dataManager->SetRepresenter(representer); for (StringVectorType::const_iterator it = filenames.begin(); it != filenames.end(); it++) { std::string fullpath = (std::string(dir) + "/") + *it; dataManager->AddDataset( ReadImageFromFile(fullpath), fullpath.c_str()); } ModelBuilderType::Pointer pcaModelBuilder = ModelBuilderType::New(); StatisticalModelType::Pointer model = pcaModelBuilder->BuildNewModel(dataManager->GetSampleDataStructure(), 0); std::cout<<"dimensionality of the data: "<<model->GetDomain().GetNumberOfPoints()<<", dimension of the images: "<<(*dataManager->GetSampleDataStructure().begin())->GetSample()->GetLargestPossibleRegion().GetNumberOfPixels()<<std::endl; std::cout<<"writing the mean sample to a png file..."<<std::endl; typedef itk::ImageFileWriter< ImageType > ImageWriterType; ImageWriterType::Pointer writer = ImageWriterType::New(); writer->SetFileName( outputImageFilename ); writer->SetInput(model->DrawSample()); writer->Update(); }