3 #include <vtkRenderWindowInteractor.h>
4 #include <vtkImageViewer2.h>
5 #include <vtkStructuredPoints.h>
6 #include <vtkStructuredPointsWriter.h>
7 #include <vtkCommand.h>
8 #include <vtkRenderer.h>
9 #include <vtkImageMapToColors.h>
10 #include <vtkLookupTable.h>
12 #include "vtkGdcmReader.h"
14 //----------------------------------------------------------------------------
15 // Callback for the interaction
16 class vtkgdcmObserver : public vtkCommand
19 virtual char const *GetClassName() const { return "vtkgdcmObserver";}
20 static vtkgdcmObserver *New()
21 { return new vtkgdcmObserver; }
24 this->ImageViewer = NULL;
26 virtual void Execute(vtkObject *wdg, unsigned long event, void* calldata)
28 if ( this->ImageViewer )
30 if ( event == vtkCommand::CharEvent )
32 int max = ImageViewer->GetWholeZMax();
33 int slice = (ImageViewer->GetZSlice() + 1 ) % ++max;
34 ImageViewer->SetZSlice( slice );
35 ImageViewer->GetRenderer()->ResetCameraClippingRange();
36 ImageViewer->Render();
40 vtkImageViewer2 *ImageViewer;
44 int main(int argc, char *argv[])
49 vtkGdcmReader *reader = vtkGdcmReader::New();
52 reader->SetFileName( argv[1] );
54 for(int i=1; i< argc; i++)
55 reader->AddFileName( argv[i] );
61 reader->GetOutput()->Print( std::cout );
63 vtkRenderWindowInteractor *iren = vtkRenderWindowInteractor::New();
65 vtkImageViewer2 *viewer = vtkImageViewer2::New();
66 if( reader->GetLookupTable() )
69 vtkImageMapToColors *map = vtkImageMapToColors::New ();
70 map->SetInput (reader->GetOutput());
71 map->SetLookupTable (reader->GetLookupTable());
72 map->SetOutputFormatToRGB();
73 viewer->SetInput ( map->GetOutput() );
78 viewer->SetInput ( reader->GetOutput() );
80 viewer->SetupInteractor (iren);
82 // float *range = reader->GetOutput()->GetScalarRange();
83 // viewer->SetColorWindow (range[1] - range[0]);
84 // viewer->SetColorLevel (0.5 * (range[1] + range[0]));
86 // Here is where we setup the observer,
87 vtkgdcmObserver *obs = vtkgdcmObserver::New();
88 obs->ImageViewer = viewer;
89 iren->AddObserver(vtkCommand::CharEvent,obs);
95 //if you wish you can export dicom to a vtk file
96 vtkStructuredPointsWriter *writer = vtkStructuredPointsWriter::New();
97 writer->SetInput( reader->GetOutput());
98 writer->SetFileName( "foo.vtk" );
99 writer->SetFileTypeToBinary();