Program: gdcm
Module: $RCSfile: vtkgdcmViewer2.cxx,v $
Language: C++
- Date: $Date: 2005/06/29 16:15:16 $
- Version: $Revision: 1.3 $
+ Date: $Date: 2007/10/03 15:50:13 $
+ Version: $Revision: 1.15 $
Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
l'Image). All rights reserved. See Doc/License.txt or
// given as command line arguments,
// * you can navigate through the stack by hitting any character key,
// * the produced vtk file is named "foo.vtk" (in the invocation directory).
+// * if the last 'filename' == "o", overlays (group 60xx) are loaded.
+// * just a test!
//
//----------------------------------------------------------------------------
#include <vtkRenderWindowInteractor.h>
+#if VTK_MAJOR_VERSION >= 5
+#include "vtkImageColorViewer.h"
+#else
#include <vtkImageViewer2.h>
+#endif
#include <vtkStructuredPoints.h>
#include <vtkStructuredPointsWriter.h>
+#include <vtkPNGWriter.h>
+#include <vtkWindowToImageFilter.h>
+#include <vtkRenderWindow.h>
#include <vtkCommand.h>
#include <vtkRenderer.h>
#include <vtkImageMapToColors.h>
#include "vtkGdcmReader.h"
#include "gdcmDocument.h" // for NO_SHADOWSEQ
-
#ifndef vtkFloatingPointType
#define vtkFloatingPointType float
#endif
{
this->ImageViewer = NULL;
}
- virtual void Execute(vtkObject *, unsigned long event, void* )
+ virtual void Execute(vtkObject *caller, unsigned long event, void* /*callData*/ )
{
if ( this->ImageViewer )
{
- if ( event == vtkCommand::CharEvent )
+ vtkRenderWindowInteractor * rwi = vtkRenderWindowInteractor::SafeDownCast( caller );
+ char keycode = 0;
+ if( rwi ) keycode = rwi->GetKeyCode();
+ if ( event == vtkCommand::CharEvent && keycode != 's' )
{
+#if VTK_MAJOR_VERSION >= 5
+ int max = ImageViewer->GetSliceMax();
+ int slice = (ImageViewer->GetSlice() + 1 ) % ++max;
+ ImageViewer->SetSlice( slice );
+#else
int max = ImageViewer->GetWholeZMax();
int slice = (ImageViewer->GetZSlice() + 1 ) % ++max;
ImageViewer->SetZSlice( slice );
+#endif
+#if !( (VTK_MAJOR_VERSION >= 5) || ( VTK_MAJOR_VERSION == 4 && VTK_MINOR_VERSION >= 5 ) )
+ // This used to be a bug in version VTK 4.4 and earlier
ImageViewer->GetRenderer()->ResetCameraClippingRange();
+#endif
ImageViewer->Render();
}
+ else if ( keycode == 's' )
+ {
+ vtkPNGWriter * writer = vtkPNGWriter::New();
+ vtkWindowToImageFilter * w2i = vtkWindowToImageFilter::New();
+ w2i->SetInput( rwi->GetRenderWindow() );
+ writer->SetInput( w2i->GetOutput() );
+ writer->SetFileName( "snapshot.png" );
+ writer->Write();
+ //std::cerr << "Screenshort saved to snapshot.png" << std::endl;
+ }
}
}
+#if VTK_MAJOR_VERSION >= 5
+ vtkImageColorViewer *ImageViewer;
+#else
vtkImageViewer2 *ImageViewer;
+#endif
};
vtkGdcmReader *reader = vtkGdcmReader::New();
reader->AllowLookupTableOff();
+
+ if (strcmp (argv[argc-1], "o") == 0)
+ {
+ argc--; // Is it allowed?!?
+ reader->SetKeepOverlays(true);
+ }
+
if( argc == 2 )
reader->SetFileName( argv[1] );
else
reader->AddFileName( argv[i] );
// TODO : allow user to choose Load Mode
- reader->SetLoadMode(NO_SHADOWSEQ);
+ reader->SetLoadMode(GDCM_NAME_SPACE::LD_NOSHADOWSEQ);
reader->Update();
//print debug info:
reader->GetOutput()->Print( cout );
vtkRenderWindowInteractor *iren = vtkRenderWindowInteractor::New();
-
+#if VTK_MAJOR_VERSION >= 5
+ vtkImageColorViewer *viewer = vtkImageColorViewer::New();
+#else
vtkImageViewer2 *viewer = vtkImageViewer2::New();
+#endif
if( reader->GetLookupTable() )
{
}
else
{
- vtkFloatingPointType *range = reader->GetOutput()->GetScalarRange();
- viewer->SetColorLevel (0.5 * (range[1] + range[0]));
- viewer->SetColorWindow (range[1] - range[0]);
-
+
+ // For a single medical image, it would be more efficient to use
+ // 0028|1050 [DS] [Window Center]
+ // 0028|1051 [DS] [Window Width]
+ // but vtkgdcmReader doesn't know about them :-(
+
+ if( reader->GetOutput()->GetNumberOfScalarComponents() == 1 )
+ {
+ vtkFloatingPointType *range = reader->GetOutput()->GetScalarRange();
+ viewer->SetColorLevel (0.5 * (range[1] + range[0]));
+ viewer->SetColorWindow (range[1] - range[0]);
+ }
viewer->SetInput ( reader->GetOutput() );
}
viewer->SetupInteractor (iren);
-
- //vtkFloatingPointType *range = reader->GetOutput()->GetScalarRange();
- //viewer->SetColorWindow (range[1] - range[0]);
- //viewer->SetColorLevel (0.5 * (range[1] + range[0]));
// Here is where we setup the observer,
vtkgdcmObserver *obs = vtkgdcmObserver::New();
iren->AddObserver(vtkCommand::CharEvent,obs);
obs->Delete();
- //viewer->Render();
+#if VTK_MAJOR_VERSION >= 5
+ viewer->Render(); // Don't ask why...
+#endif
iren->Initialize();
iren->Start();