1 #include <vtkRenderWindowInteractor.h>
2 #include <vtkImageViewer2.h>
3 #include <vtkStructuredPoints.h>
4 #include <vtkStructuredPointsWriter.h>
5 #include <vtkCommand.h>
6 #include <vtkRenderer.h>
8 #include "vtkGdcmReader.h"
10 //----------------------------------------------------------------------------
11 // Callback for the interaction
12 class vtkgdcmObserver : public vtkCommand
15 virtual char const *GetClassName() const { return "vtkgdcmObserver";}
16 static vtkgdcmObserver *New()
17 { return new vtkgdcmObserver; }
20 this->ImageViewer = NULL;
22 virtual void Execute(vtkObject *wdg, unsigned long event, void* calldata)
24 if ( this->ImageViewer )
26 if ( event == vtkCommand::CharEvent )
28 int max = ImageViewer->GetWholeZMax();
29 int slice = (ImageViewer->GetZSlice() + 1 ) % ++max;
30 ImageViewer->SetZSlice( slice );
31 ImageViewer->GetRenderer()->ResetCameraClippingRange();
32 ImageViewer->Render();
36 vtkImageViewer2 *ImageViewer;
40 int main(int argc, char *argv[])
45 vtkGdcmReader *reader = vtkGdcmReader::New();
48 reader->SetFileName( argv[1] );
50 for(int i=1; i< argc; i++)
51 reader->AddFileName( argv[i] );
57 reader->GetOutput()->Print( std::cout );
59 vtkRenderWindowInteractor *iren = vtkRenderWindowInteractor::New();
61 vtkImageViewer2 *viewer = vtkImageViewer2::New();
62 viewer->SetInput ( reader->GetOutput() );
63 viewer->SetupInteractor (iren);
65 // float *range = reader->GetOutput()->GetScalarRange();
66 // viewer->SetColorWindow (range[1] - range[0]);
67 // viewer->SetColorLevel (0.5 * (range[1] + range[0]));
69 // Here is where we setup the observer,
70 vtkgdcmObserver *obs = vtkgdcmObserver::New();
71 obs->ImageViewer = viewer;
72 iren->AddObserver(vtkCommand::CharEvent,obs);
78 //if you wish you can export dicom to a vtk file
79 vtkStructuredPointsWriter *writer = vtkStructuredPointsWriter::New();
80 writer->SetInput( reader->GetOutput());
81 writer->SetFileName( "foo.vtk" );
82 writer->SetFileTypeToBinary();