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 #ifndef vtkFloatingPointType
15 #define vtkFloatingPointType float
18 //----------------------------------------------------------------------------
19 // Callback for the interaction
20 class vtkgdcmObserver : public vtkCommand
23 virtual char const *GetClassName() const { return "vtkgdcmObserver";}
24 static vtkgdcmObserver *New()
25 { return new vtkgdcmObserver; }
28 this->ImageViewer = NULL;
30 virtual void Execute(vtkObject *, unsigned long event, void* )
32 if ( this->ImageViewer )
34 if ( event == vtkCommand::CharEvent )
36 int max = ImageViewer->GetWholeZMax();
37 int slice = (ImageViewer->GetZSlice() + 1 ) % ++max;
38 ImageViewer->SetZSlice( slice );
39 ImageViewer->GetRenderer()->ResetCameraClippingRange();
40 ImageViewer->Render();
44 vtkImageViewer2 *ImageViewer;
48 int main(int argc, char *argv[])
53 vtkGdcmReader *reader = vtkGdcmReader::New();
54 reader->AllowLookupTableOff();
57 reader->SetFileName( argv[1] );
59 for(int i=1; i< argc; i++)
60 reader->AddFileName( argv[i] );
66 reader->GetOutput()->Print( cout );
68 vtkRenderWindowInteractor *iren = vtkRenderWindowInteractor::New();
70 vtkImageViewer2 *viewer = vtkImageViewer2::New();
72 if( reader->GetLookupTable() )
75 vtkImageMapToColors *map = vtkImageMapToColors::New ();
76 map->SetInput (reader->GetOutput());
77 map->SetLookupTable (reader->GetLookupTable());
78 map->SetOutputFormatToRGB();
79 viewer->SetInput ( map->GetOutput() );
84 viewer->SetInput ( reader->GetOutput() );
86 viewer->SetupInteractor (iren);
88 //vtkFloatingPointType *range = reader->GetOutput()->GetScalarRange();
89 //viewer->SetColorWindow (range[1] - range[0]);
90 //viewer->SetColorLevel (0.5 * (range[1] + range[0]));
92 // Here is where we setup the observer,
93 vtkgdcmObserver *obs = vtkgdcmObserver::New();
94 obs->ImageViewer = viewer;
95 iren->AddObserver(vtkCommand::CharEvent,obs);
101 //if you wish you can export dicom to a vtk file
102 vtkStructuredPointsWriter *writer = vtkStructuredPointsWriter::New();
103 writer->SetInput( reader->GetOutput());
104 writer->SetFileName( "foo.vtk" );
105 writer->SetFileTypeToBinary();