+/*
+# ---------------------------------------------------------------------
+#
+# Copyright (c) CREATIS (Centre de Recherche en Acquisition et Traitement de l'Image
+# pour la Sante)
+# Authors : Eduardo Davila, Frederic Cervenansky, Claire Mouton
+# Previous Authors : Laurent Guigues, Jean-Pierre Roux
+# CreaTools website : www.creatis.insa-lyon.fr/site/fr/creatools_accueil
+#
+# This software is governed by the CeCILL-B license under French law and
+# abiding by the rules of distribution of free software. You can use,
+# modify and/ or redistribute the software under the terms of the CeCILL-B
+# license as circulated by CEA, CNRS and INRIA at the following URL
+# http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
+# or in the file LICENSE.txt.
+#
+# As a counterpart to the access to the source code and rights to copy,
+# modify and redistribute granted by the license, users are provided only
+# with a limited warranty and the software's author, the holder of the
+# economic rights, and the successive licensors have only limited
+# liability.
+#
+# The fact that you are presently reading this means that you have had
+# knowledge of the CeCILL-B license and that you accept its terms.
+# ------------------------------------------------------------------------
+*/
+
+#include "vtkImageDataStrucPoints.h"
+
+vtkImageDataStrucPoints::vtkImageDataStrucPoints()
+{
+}
+
+vtkImageDataStrucPoints::~vtkImageDataStrucPoints()
+{
+}
+void vtkImageDataStrucPoints::joinComponents(vtkImageData* imageX, vtkImageData* imageY, vtkImageData* imageZ)
+{
+ imageY->Modified();
+ imageY->Update();
+ int ext[6];
+ imageY->GetWholeExtent(ext);
+ int dim[3];
+ double spc[3];;
+ dim[0]=ext[1]-ext[0]+1;
+ dim[1]=ext[3]-ext[2]+1;
+ dim[2]=ext[5]-ext[4]+1;
+ std::cout<<"dim "<< dim[0] <<" "<< dim[1] <<" "<< dim[2] <<std::endl;
+
+ imageY->GetSpacing(spc);
+
+ vtkDoubleArray *arrayX;
+ vtkDoubleArray *arrayY;
+ vtkDoubleArray *arrayZ;
+
+ unsigned char *ptrUCharX = (unsigned char *)imageX->GetScalarPointer();
+ unsigned char *ptrUCharY = (unsigned char *)imageY->GetScalarPointer();
+ unsigned char *ptrUCharZ = (unsigned char *)imageZ->GetScalarPointer();
+
+ long int sizeimage = dim[0]*dim[1]*dim[2];
+
+ vtkDoubleArray *array = vtkDoubleArray::New();
+ array->SetNumberOfTuples(sizeimage);
+ array->SetNumberOfComponents(3);
+ array->Allocate(sizeimage*3, 100 ); // ???
+ array->SetName("velocity");
+
+ double vx;
+ double vy;
+ double vz;
+
+ int i;
+ for( i = 0 ; i < sizeimage ; i++ )
+ {
+ vx = *ptrUCharX;
+ vy = *ptrUCharY;
+ vz = *ptrUCharZ;
+ ptrUCharX++;
+ ptrUCharY++;
+ ptrUCharZ++;
+ array->SetTuple3(i,vx, vy , vz );
+ } // for i
+
+
+
+ _structuredPoints = vtkStructuredPoints::New();
+ _structuredPoints->SetDimensions(dim[0], dim[1], dim[2]);
+ _structuredPoints->SetSpacing(spc);
+ _structuredPoints->SetScalarTypeToFloat();
+ _structuredPoints->SetNumberOfScalarComponents(1);
+ _structuredPoints->GetPointData()->SetVectors(array);
+ _structuredPoints->GetPointData()->SetNumberOfTuples(sizeimage);
+
+}
+
+vtkStructuredPoints* vtkImageDataStrucPoints::getStructuredPoints()
+{
+ return _structuredPoints;
+}
+