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<p class=MsoNormal>Dear All,<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>I have succeeded in loading a series of DICOM images and visualized
them by VTK. However, I can just see the last DICOM file. What I want is that
through controlling the scroll of the mouse, I can navigate from one slice to
another slice. Does anybody know how to fulfill the goal?<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Attached please find my code.<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal>Thank you.<o:p></o:p></p>
<p class=MsoNormal>Xiaopeng<o:p></o:p></p>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> <span style='color:blue'>typedef</span> <span
style='color:blue'>signed</span> <span style='color:blue'>short</span>
PixelType;<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> <span style='color:blue'>const</span> <span
style='color:blue'>unsigned</span> <span style='color:blue'>int</span>
Dimension = 3;<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> <span style='color:blue'>typedef</span>
itk::OrientedImage< PixelType, Dimension
> ImageType;<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> <span style='color:blue'>typedef</span>
itk::ImageSeriesReader< ImageType
> ReaderType;<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> ReaderType::Pointer reader = ReaderType::New();<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> <span style='color:blue'>typedef</span>
itk::GDCMImageIO ImageIOType;<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> ImageIOType::Pointer dicomIO = ImageIOType::New();<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> <o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> reader->SetImageIO( dicomIO );<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> <span style='color:blue'>typedef</span>
itk::GDCMSeriesFileNames NamesGeneratorType;<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> NamesGeneratorType::Pointer nameGenerator =
NamesGeneratorType::New();<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> nameGenerator->SetUseSeriesDetails( <span
style='color:blue'>true</span> );<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> nameGenerator->AddSeriesRestriction(<span
style='color:#A31515'>"0008|0021"</span> );<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> nameGenerator->SetDirectory( <span
style='color:#A31515'>"F:/Documents and Settings/Xiaopeng/Desktop/Patient
(Pai Sang Pu)/Output/Difussion"</span> );<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> <span style='color:blue'>typedef</span>
std::vector< std::string > SeriesIdContainer;<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> <o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> <span style='color:blue'>const</span>
SeriesIdContainer & seriesUID = nameGenerator->GetSeriesUIDs();<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> <o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> SeriesIdContainer::const_iterator seriesItr =
seriesUID.begin();<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> SeriesIdContainer::const_iterator seriesEnd =
seriesUID.end();<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> <span style='color:blue'>while</span>( seriesItr !=
seriesEnd )<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> {<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> std::cout <<
seriesItr->c_str() << std::endl;<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> seriesItr++;<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> }<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> <o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> std::string seriesIdentifier;<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> seriesIdentifier = seriesUID.begin()->c_str();<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> <span style='color:blue'>typedef</span>
std::vector< std::string > FileNamesContainer;<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> FileNamesContainer fileNames;<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> fileNames = nameGenerator->GetFileNames(
seriesIdentifier );<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> reader->SetFileNames( fileNames );<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> <span style='color:blue'>typedef</span>
itk::ImageToVTKImageFilter<ImageType>FilterType;<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> FilterType::Pointer connector = FilterType::New();<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> <span style='color:blue'>try<o:p></o:p></span></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> {<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> reader->Update();<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> }<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> <span style='color:blue'>catch</span>
(itk::ExceptionObject &ex)<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> {<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> std::cout << ex <<
std::endl;<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> <span style='color:blue'>return</span>
EXIT_FAILURE;<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> }<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> connector->SetInput(reader->GetOutput());<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> vtkImageViewer *viewer = vtkImageViewer::New();<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> vtkRenderWindowInteractor *renderWindowInteractor =
vtkRenderWindowInteractor::New();<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'><o:p> </o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> viewer->SetupInteractor(renderWindowInteractor);<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> viewer->SetInput(connector->GetOutput());<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> viewer->Render();<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> viewer->SetColorWindow(255);<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'> viewer->SetColorLevel(128);<o:p></o:p></span></p>
<p class=MsoNormal style='text-autospace:none'><span style='font-size:9.0pt;
font-family:NSimSun'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:9.0pt;font-family:NSimSun'>
renderWindowInteractor->Start();</span><o:p></o:p></p>
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