[ITK] [ITK-users] Fwd: problem with convert itk to vtk
Роман Глуховский
roman_glu at mail.ru
Tue Apr 29 07:01:24 EDT 2014
I try this example, but i get also a segmentation fault
Tue, 29 Apr 2014 12:04:45 +0200 от Dženan Zukić <dzenanz at gmail.com>:
>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 >
>>>reader->SetFileName( "DICOM-File" );
>>>
>>>but this:
>>>#include < itkImageSeriesReader.h >
>>>void SetFileNames (const FileNamesContainer &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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