[ITK] [ITK-users] Fwd: problem with convert itk to vtk
Dženan Zukić
dzenanz at gmail.com
Tue Apr 29 06:04:45 EDT 2014
Have you seen this example?
http://vtk.org/Wiki/VTK/ExamplesBoneYard/Cxx/VolumeRendering/itkVtkImageConvert
On Tue, Apr 29, 2014 at 10:45 AM, Роман Глуховский <roman_glu at mail.ru>wrote:
>
> I change the part of my programm to load the ImageSeries,
>
> typedef itk::Image<unsigned char, 3> ImageType;
> typedef itk::ImageSeriesReader< ImageType > ReaderType;
> ReaderType::Pointer reader = ReaderType::New();
> typedef itk::GDCMImageIO ImageIOType;
> ImageIOType::Pointer dicomIO = ImageIOType::New();
> reader->SetImageIO(dicomIO);
>
> typedef itk::GDCMSeriesFileNames NamesGeneratorType;
> NamesGeneratorType::Pointer nameGenerator = NamesGeneratorType::New();
> nameGenerator->SetDirectory("Folder");
>
>
> // get series IDs
> typedef std::vector<std::string> SeriesIdContainer;
> const SeriesIdContainer &seriesUID = nameGenerator->GetSeriesUIDs();
>
> // get dicom series
> typedef std::vector<std::string> FileNamesContainer;
> FileNamesContainer fileName;
> fileName=nameGenerator->GetFileNames(seriesUID.begin()->c_str());
> reader->SetFileNames(fileName);
>
> // pull reader
> reader->Update();
>
> But my programm crash again at the same position, when i try to convert to
> vtk.
>
>
> Sat, 26 Apr 2014 07:12:55 +0800 (CST) от 关红彦 <ghy at tellyes.com>:
>
>
>
> I just wonder if your 3D medical images save as a file or a series of
> images.
> If you save them to a series of files, you shouldn't do this:
> #include <itkImageFileReader.h<http://www.itk.org/Doxygen45/html/itkImageFileReader_8h_source.html>
> >
> reader->SetFileName( "DICOM-File" );
>
> but this:
> #include <itkImageSeriesReader.h<http://www.itk.org/Doxygen45/html/itkImageSeriesReader_8h_source.html>
> >
> void SetFileNames<http://www.itk.org/Doxygen45/html/classitk_1_1ImageSeriesReader.html#aedb3ea58c4bb4975f46ef9c85a855aa6>
> (const FileNamesContainer<http://www.itk.org/Doxygen45/html/classitk_1_1ImageSeriesReader.html#a2efd0b86373c161229f7984b9ea4af56>
> &name) This class can read a series of *.DCM files that are using a lot
> in the hospital.
>
>
> At 2014-04-25 20:52:20,"Роман Глуховский" <roman_glu at mail.ru> wrote:
>
> Hi vtkusers,
>
> i load a DICOM-file with itk and after that i would like to display the
> file with vtk.
>
> If I compile the programm I have no error. When i start the programm, its
> crashed and
> i get a return value "0".
>
> In the debug-mode i get a "segmentation fault" and the programm stops at
> this position
>
> ---------->
> m_Importer->SetPropagateUpdateExtentCallback(m_Exporter->GetPropagateUpdateExtentCallback());
>
> in the "itkImageToVTKImageFilter_hxx".
>
> Here is my code:
>
> typedef itk::Image<unsigned char, 3> VisualizingImageType;
> typedef itk::ImageFileReader< VisualizingImageType > ReaderType;
> ReaderType::Pointer reader = ReaderType::New();
> reader->SetFileName( "DICOM-File" );
> typedef itk::GDCMImageIO ImageIOType;
>
> ImageIOType::Pointer gdcmImageIO = ImageIOType::New();
>
> reader->SetImageIO( gdcmImageIO );
> reader->Update();
> reader->GetOutput()->Print(std::cout);
>
> vtkSmartPointer<vtkRenderWindow> renWin =
> vtkSmartPointer<vtkRenderWindow>::New();
> vtkSmartPointer<vtkRenderer> ren1 =
> vtkSmartPointer<vtkRenderer>::New();
> ren1->SetBackground(0.5f,0.5f,1.0f);
>
> renWin->AddRenderer(ren1);
> renWin->SetSize(1280,1024);
> vtkSmartPointer<vtkRenderWindowInteractor> iren =
> vtkSmartPointer<vtkRenderWindowInteractor>::New();
> iren->SetRenderWindow(renWin);
> renWin->Render(); // make sure we have an OpenGL context.
>
> typedef itk::ImageToVTKImageFilter<VisualizingImageType>
> itkVtkConverter;
> itkVtkConverter::Pointer conv=itkVtkConverter::New();
> conv->GetExporter()->SetInput(reader->GetOutput());
> conv->GetImporter()->Update();
> conv->GetImporter()->GetOutput()->Print(std::cout);
>
> vtkImageViewer * viewer =vtkImageViewer::New();
> vtkRenderWindowInteractor * renderWindowInteractor =
> vtkRenderWindowInteractor::New();
> viewer->SetupInteractor( renderWindowInteractor );
> viewer->SetInputData( conv->GetImporter()->GetOutput() );
> viewer->SetZSlice( 0 ); // <-- Slice selection
> viewer->Render();
> renderWindowInteractor->Start();
>
> viewer->Delete();
> renderWindowInteractor->Delete();
> conv->GetImporter()->Delete();
>
>
> Thank you for your help
>
> Roman
>
>
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> ------------------------------
>
> ------------------------------
>
> --
> Роман Глуховский
>
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