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 std::cout << "Slice:" << slice << "," << max << std::endl;
31 ImageViewer->SetZSlice( slice );
32 ImageViewer->GetRenderer()->ResetCameraClippingRange();
33 ImageViewer->Render();
37 vtkImageViewer2 *ImageViewer;
41 int main(int argc, char *argv[])
44 vtkGdcmReader *reader = vtkGdcmReader::New();
45 reader->SetFileName( argv[1] );
50 reader->GetOutput()->Print( std::cout );
52 vtkRenderWindowInteractor *iren = vtkRenderWindowInteractor::New();
54 vtkImageViewer2 *viewer = vtkImageViewer2::New();
55 viewer->SetInput ( reader->GetOutput() );
56 viewer->SetupInteractor (iren);
58 // float *range = reader->GetOutput()->GetScalarRange();
59 // viewer->SetColorWindow (range[1] - range[0]);
60 // viewer->SetColorLevel (0.5 * (range[1] + range[0]));
62 // Here is where we setup the observer,
63 vtkgdcmObserver *obs = vtkgdcmObserver::New();
64 obs->ImageViewer = viewer;
65 iren->AddObserver(vtkCommand::CharEvent,obs);
71 //if you wish you can export dicom to a vtk file
72 vtkStructuredPointsWriter *writer = vtkStructuredPointsWriter::New();
73 writer->SetInput( reader->GetOutput());
74 writer->SetFileName( "foo.vtk" );
75 writer->SetFileTypeToBinary();