1 #include <vtkRenderWindowInteractor.h>
2 #include <vtkImageViewer2.h>
3 #include <vtkStructuredPoints.h>
4 #include <vtkStructuredPointsWriter.h>
5 #include <vtkCommand.h>
7 #include "vtkGdcmReader.h"
9 //----------------------------------------------------------------------------
10 // Callback for the interaction
11 class vtkgdcmObserver : public vtkCommand
14 virtual char const *GetClassName() const { return "vtkgdcmObserver";}
15 static vtkgdcmObserver *New()
16 { return new vtkgdcmObserver; }
19 this->ImageViewer = NULL;
21 virtual void Execute(vtkObject *wdg, unsigned long event, void* calldata)
23 if ( this->ImageViewer )
25 if ( event == vtkCommand::CharEvent )
27 int max = ImageViewer->GetWholeZMax();
28 int slice = (ImageViewer->GetZSlice() + 1 ) % ++max;
29 ImageViewer->SetZSlice( slice );
30 ImageViewer->Render();
34 vtkImageViewer2 *ImageViewer;
38 int main(int argc, char *argv[])
41 vtkGdcmReader *reader = vtkGdcmReader::New();
42 reader->SetFileName( argv[1] );
47 reader->GetOutput()->Print( std::cout );
49 vtkRenderWindowInteractor *iren = vtkRenderWindowInteractor::New();
51 vtkImageViewer2 *viewer = vtkImageViewer2::New();
52 viewer->SetInput ( reader->GetOutput() );
53 viewer->SetupInteractor (iren);
55 // float *range = reader->GetOutput()->GetScalarRange();
56 // viewer->SetColorWindow (range[1] - range[0]);
57 // viewer->SetColorLevel (0.5 * (range[1] + range[0]));
59 // Here is where we setup the observer,
60 vtkgdcmObserver *obs = vtkgdcmObserver::New();
61 obs->ImageViewer = viewer;
62 iren->AddObserver(vtkCommand::CharEvent,obs);
68 //if you wish you can export dicom to a vtk file
69 vtkStructuredPointsWriter *writer = vtkStructuredPointsWriter::New();
70 writer->SetInput( reader->GetOutput());
71 writer->SetFileName( "foo.vtk" );
72 writer->SetFileTypeToBinary();