1 /*# ---------------------------------------------------------------------
3 # Copyright (c) CREATIS (Centre de Recherche en Acquisition et Traitement de l'Image
5 # Authors : Eduardo Davila, Frederic Cervenansky, Claire Mouton
6 # Previous Authors : Laurent Guigues, Jean-Pierre Roux
7 # CreaTools website : www.creatis.insa-lyon.fr/site/fr/creatools_accueil
9 # This software is governed by the CeCILL-B license under French law and
10 # abiding by the rules of distribution of free software. You can use,
11 # modify and/ or redistribute the software under the terms of the CeCILL-B
12 # license as circulated by CEA, CNRS and INRIA at the following URL
13 # http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
14 # or in the file LICENSE.txt.
16 # As a counterpart to the access to the source code and rights to copy,
17 # modify and redistribute granted by the license, users are provided only
18 # with a limited warranty and the software's author, the holder of the
19 # economic rights, and the successive licensors have only limited
22 # The fact that you are presently reading this means that you have had
23 # knowledge of the CeCILL-B license and that you accept its terms.
24 # ------------------------------------------------------------------------ */
26 #ifndef ITKVTKCOLORTRANSFERFUNCTION_TXX
27 #define ITKVTKCOLORTRANSFERFUNCTION_TXX
32 template< class TypeImage>
33 VTKColorTransferFunction<TypeImage>::VTKColorTransferFunction()
38 template< class TypeImage>
39 VTKColorTransferFunction<TypeImage>::~VTKColorTransferFunction()
44 template< class TypeImage>
45 void VTKColorTransferFunction<TypeImage>::Update(){
46 GenerateOutputInformation();
50 template< class TypeImage>
51 void VTKColorTransferFunction<TypeImage>::GenerateOutputInformation(){
52 m_Output = vtkColorTransferFunction::New();
57 template< class TypeImage>
58 void VTKColorTransferFunction<TypeImage>::GenerateData(){
62 InputImagePointerType imagergb = this->GetInput();
65 itkExceptionMacro(<<"Set the image first!");
69 typedef itk::ImageRegionConstIterator< InputImageType > rgbiteratorType;
70 rgbiteratorType rgbit(imagergb, imagergb->GetLargestPossibleRegion());
76 m_Output->RemoveAllPoints ();
79 while(!rgbit.IsAtEnd()){
82 typename InputImageType::PixelType::ComponentType lum = 0.299*rgbit.Get()[0] + 0.587*rgbit.Get()[1] + 0.114*rgbit.Get()[2];
84 m_Output->AddRGBPoint(lum, rgbit.Get()[0]/255.0, rgbit.Get()[1]/255.0, rgbit.Get()[2]/255.0);