1 #include <vtkRenderWindowInteractor.h>
2 #include <vtkImageViewer2.h>
3 #include <vtkStructuredPoints.h>
4 #include <vtkStructuredPointsWriter.h>
5 #include <vtkCommand.h>
6 #include <vtkRenderer.h>
7 #include <vtkImageMapToColors.h>
8 #include <vtkLookupTable.h>
10 #include "vtkGdcmReader.h"
12 //----------------------------------------------------------------------------
13 // Callback for the interaction
14 class vtkgdcmObserver : public vtkCommand
17 virtual char const *GetClassName() const { return "vtkgdcmObserver";}
18 static vtkgdcmObserver *New()
19 { return new vtkgdcmObserver; }
22 this->ImageViewer = NULL;
24 virtual void Execute(vtkObject *wdg, unsigned long event, void* calldata)
26 if ( this->ImageViewer )
28 if ( event == vtkCommand::CharEvent )
30 int max = ImageViewer->GetWholeZMax();
31 int slice = (ImageViewer->GetZSlice() + 1 ) % ++max;
32 ImageViewer->SetZSlice( slice );
33 ImageViewer->GetRenderer()->ResetCameraClippingRange();
34 ImageViewer->Render();
38 vtkImageViewer2 *ImageViewer;
42 int main(int argc, char *argv[])
47 vtkGdcmReader *reader = vtkGdcmReader::New();
50 reader->SetFileName( argv[1] );
52 for(int i=1; i< argc; i++)
53 reader->AddFileName( argv[i] );
59 reader->GetOutput()->Print( std::cout );
61 vtkRenderWindowInteractor *iren = vtkRenderWindowInteractor::New();
63 vtkImageViewer2 *viewer = vtkImageViewer2::New();
64 if( reader->GetLookupTable() )
67 vtkImageMapToColors *map = vtkImageMapToColors::New ();
68 map->SetInput (reader->GetOutput());
69 map->SetLookupTable (reader->GetLookupTable());
70 map->SetOutputFormatToRGB();
71 viewer->SetInput ( map->GetOutput() );
76 viewer->SetInput ( reader->GetOutput() );
78 viewer->SetupInteractor (iren);
80 // float *range = reader->GetOutput()->GetScalarRange();
81 // viewer->SetColorWindow (range[1] - range[0]);
82 // viewer->SetColorLevel (0.5 * (range[1] + range[0]));
84 // Here is where we setup the observer,
85 vtkgdcmObserver *obs = vtkgdcmObserver::New();
86 obs->ImageViewer = viewer;
87 iren->AddObserver(vtkCommand::CharEvent,obs);
93 //if you wish you can export dicom to a vtk file
94 vtkStructuredPointsWriter *writer = vtkStructuredPointsWriter::New();
95 writer->SetInput( reader->GetOutput());
96 writer->SetFileName( "foo.vtk" );
97 writer->SetFileTypeToBinary();