GDCM: ConvertRGBToLuminance.cxx

GDCM 3.2.11

ConvertRGBToLuminance.cxx
/*=========================================================================
Program: GDCM (Grassroots DICOM). A DICOM library
Copyright (c) 2006-2011 Mathieu Malaterre
All rights reserved.
See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
#include "vtkGDCMImageReader.h"
#include "vtkGDCMImageWriter.h"
#include "vtkImageData.h"
#include "vtkImageLuminance.h"
#include "vtkVersion.h"
#include "gdcmTesting.h"
// There is no such thing as MR Image Storage + Photometric Interpretation = RGB
// let's rewrite that into a proper single component image:
int main(int, char *[])
{
const char *directory = gdcm::Testing::GetDataRoot();
if(!directory) return 1;
std::string file = std::string(directory) + "/SIEMENS-MR-RGB-16Bits.dcm";
std::cout << file << std::endl;
vtkGDCMImageReader *reader = vtkGDCMImageReader::New();
reader->SetFileName( file.c_str() );
reader->Update();
//reader->GetOutput()->Print( std::cout );
vtkImageLuminance *luminance = vtkImageLuminance::New();
#if (VTK_MAJOR_VERSION >= 6)
luminance->SetInputConnection( reader->GetOutputPort() );
#else
luminance->SetInput( reader->GetOutput() );
#endif
vtkGDCMImageWriter *writer = vtkGDCMImageWriter::New();
writer->SetFileName( "/tmp/bla.dcm" );
#if (VTK_MAJOR_VERSION >= 6)
writer->SetInputConnection( luminance->GetOutputPort() );
#else
writer->SetInput( luminance->GetOutput() );
#endif
//writer->SetImageFormat( reader->GetImageFormat() ); // Do NOT pass image format
writer->SetMedicalImageProperties( reader->GetMedicalImageProperties() );
writer->SetDirectionCosines( reader->GetDirectionCosines() );
writer->SetShift( reader->GetShift() );
writer->SetScale( reader->GetScale() );
writer->Write();
// TODO:
//vtkImageAppendComponents.h
reader->Delete();
luminance->Delete();
writer->Delete();
return 0;
}
gdcm::Testing::GetDataRoot
static const char * GetDataRoot()
Return the GDCM DATA ROOT.
vtkGDCMImageReader
Definition vtkGDCMImageReader.h:105
vtkGDCMImageReader::New
static vtkGDCMImageReader * New()
vtkGDCMImageWriter
Definition vtkGDCMImageWriter.h:50
vtkGDCMImageWriter::Write
virtual void Write()
vtkGDCMImageWriter::New
static vtkGDCMImageWriter * New()
vtkGDCMImageWriter::SetMedicalImageProperties
virtual void SetMedicalImageProperties(vtkMedicalImageProperties *)
vtkGDCMImageWriter::SetDirectionCosines
virtual void SetDirectionCosines(vtkMatrix4x4 *matrix)
gdcmTesting.h
vtkGDCMImageReader.h
vtkGDCMImageWriter.h