/*
# ---------------------------------------------------------------------
#
# 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"
#include "vtkStructuredPointsWriter.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);


   double *ptrUCharX = (double *)imageX->GetScalarPointer();
   double *ptrUCharY = (double *)imageY->GetScalarPointer();
   double *ptrUCharZ = (double *)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;

printf("EED  vtkImageDataStrucPoints::joinComponents  sizeimage%d\n", sizeimage );
	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->SetScalarTypeToDouble();
	_structuredPoints->SetNumberOfScalarComponents(3);
	_structuredPoints->GetPointData()->SetVectors(array);
	_structuredPoints->GetPointData()->SetNumberOfTuples(sizeimage);
	_structuredPoints->Modified();
	_structuredPoints->Update();

/*
	_structuredPoints->Print(cout);

   vtkStructuredPointsWriter *writer2 = vtkStructuredPointsWriter::New();
	writer2->SetFileName("/home/davila/tmp/VectorfromCal_EED_ups.vtk");
	//writer->SetFileTypeToBinary();
	writer2->SetFileTypeToASCII();
	writer2->SetTensorsName("VectorfromCal");
	writer2->SetFieldDataName("GlyphVector");
	writer2->SetScalarsName("Scalar");
	writer2->SetInput(_structuredPoints);  
	writer2->Write();  
*/



}

vtkStructuredPoints* vtkImageDataStrucPoints::getStructuredPoints()
{
		return _structuredPoints;
}