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VectorField 2D view
[creaVtk.git] / lib / creaVtk / vtkImageDataStrucPoints.cpp
1 /*
2 # ---------------------------------------------------------------------
3 #
4 # Copyright (c) CREATIS (Centre de Recherche en Acquisition et Traitement de l'Image
5 #                        pour la Sante)
6 # Authors : Eduardo Davila, Frederic Cervenansky, Claire Mouton
7 # Previous Authors : Laurent Guigues, Jean-Pierre Roux
8 # CreaTools website : www.creatis.insa-lyon.fr/site/fr/creatools_accueil
9 #
10 #  This software is governed by the CeCILL-B license under French law and
11 #  abiding by the rules of distribution of free software. You can  use,
12 #  modify and/ or redistribute the software under the terms of the CeCILL-B
13 #  license as circulated by CEA, CNRS and INRIA at the following URL
14 #  http://www.cecill.info/licences/Licence_CeCILL-B_V1-en.html
15 #  or in the file LICENSE.txt.
16 #
17 #  As a counterpart to the access to the source code and  rights to copy,
18 #  modify and redistribute granted by the license, users are provided only
19 #  with a limited warranty  and the software's author,  the holder of the
20 #  economic rights,  and the successive licensors  have only  limited
21 #  liability.
22 #
23 #  The fact that you are presently reading this means that you have had
24 #  knowledge of the CeCILL-B license and that you accept its terms.
25 # ------------------------------------------------------------------------
26 */
27
28 #include "vtkImageDataStrucPoints.h"
29 #include "vtkStructuredPointsWriter.h"
30
31
32 vtkImageDataStrucPoints::vtkImageDataStrucPoints()
33 {
34 }
35
36 vtkImageDataStrucPoints::~vtkImageDataStrucPoints()
37 {
38 }
39 void vtkImageDataStrucPoints::joinComponents(vtkImageData* imageX, vtkImageData* imageY, vtkImageData* imageZ)
40 {
41         int ext[6];
42         imageY->Modified();
43 //EED 2017-01-01 Migration VTK7
44 #if VTK_MAJOR_VERSION <= 5
45         imageY->Update();
46         imageY->GetWholeExtent(ext);
47 #else
48         imageY->GetExtent(ext);
49 #endif
50         int dim[3];
51         double spc[3];
52         dim[0]=ext[1]-ext[0]+1;
53         dim[1]=ext[3]-ext[2]+1;
54         dim[2]=ext[5]-ext[4]+1; 
55         imageY->GetSpacing(spc);
56
57
58    double *ptrX = (double *)imageX->GetScalarPointer();
59    double *ptrY = (double *)imageY->GetScalarPointer();
60    double *ptrZ = (double *)imageZ->GetScalarPointer();
61
62          long int sizeimage = dim[0]*dim[1]*dim[2];
63
64          vtkDoubleArray *array =  vtkDoubleArray::New();
65          array->SetNumberOfTuples(sizeimage);
66          array->SetNumberOfComponents(3);
67          array->Allocate(sizeimage*3, 100 ); // ???
68          array->SetName("velocity");
69
70          double vx;
71          double vy;
72          double vz;
73
74   int i;
75
76         for( i = 0 ; i < sizeimage ; i++ )
77         {
78                 vx = *ptrX;
79                 vy = *ptrY;
80                 vz = *ptrZ;
81                 ptrX++;
82                 ptrY++;
83                 ptrZ++;
84         array->SetTuple3(i,vx, vy , vz );
85         } // for i
86
87         _structuredPoints = vtkStructuredPoints::New();
88         _structuredPoints->SetDimensions(dim[0], dim[1], dim[2]);
89         _structuredPoints->SetSpacing(spc);
90
91 //EED 2017-01-01 Migration VTK7
92 #if VTK_MAJOR_VERSION <= 5
93         _structuredPoints->SetScalarTypeToDouble();
94         _structuredPoints->SetNumberOfScalarComponents(3);
95 #else
96         vtkInformation* info=_structuredPoints->GetInformation();
97         vtkDataObject::SetPointDataActiveScalarInfo(info, VTK_DOUBLE, 3);
98
99 #endif
100
101         _structuredPoints->GetPointData()->SetVectors(array);
102         _structuredPoints->GetPointData()->SetNumberOfTuples(sizeimage);
103         _structuredPoints->Modified();
104 //EED 2017-01-01 Migration VTK7
105 #if VTK_MAJOR_VERSION <= 5
106         _structuredPoints->Update();
107 #else
108   //...
109 #endif
110
111 /*
112         _structuredPoints->Print(cout);
113    vtkStructuredPointsWriter *writer2 = vtkStructuredPointsWriter::New();
114         writer2->SetFileName("/home/davila/tmp/VectorfromCal_EED_ups.vtk");
115         //writer->SetFileTypeToBinary();
116         writer2->SetFileTypeToASCII();
117         writer2->SetTensorsName("VectorfromCal");
118         writer2->SetFieldDataName("GlyphVector");
119         writer2->SetScalarsName("Scalar");
120         writer2->SetInput(_structuredPoints);  
121         writer2->Write();  
122 */
123
124
125
126 }
127
128 vtkStructuredPoints* vtkImageDataStrucPoints::getStructuredPoints()
129 {
130                 return _structuredPoints;
131 }
132