1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
|
/*=========================================================================
Program: VMTK
Module: vtkvmtkITKFilterUtilities.h
Language: C++
Date: $Date: 2006/04/06 16:48:25 $
Version: $Revision: 1.2 $
Copyright (c) Luca Antiga, David Steinman. All rights reserved.
See LICENCE file for details.
Portions of this code are covered under the VTK copyright.
See VTKCopyright.txt or http://www.kitware.com/VTKCopyright.htm
for details.
Portions of this code are covered under the ITK copyright.
See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm
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 notices for more information.
=========================================================================*/
// .NAME vtkvmtkITKFilterUtilities - Abstract class for wrapping ITK filters
// .SECTION Description
// vtkvmtkSimpleImageToImageITKFilter
#ifndef __vtkvmtkITKFilterUtilities_h
#define __vtkvmtkITKFilterUtilities_h
#include "vtkvmtkITKFilterUtilities.h"
#include "vtkvmtkWin32Header.h"
#include "vtkImageData.h"
#include "itkImage.h"
#include "itkCommand.h"
class VTK_VMTK_SEGMENTATION_EXPORT vtkvmtkITKFilterUtilities
{
public:
template<typename TImage>
static void
VTKToITKImage(vtkImageData* input, typename TImage::Pointer output) {
typedef TImage ImageType;
typedef typename ImageType::Pointer ImagePointer;
typedef typename ImageType::PixelType PixelType;
int dims[3];
input->GetDimensions(dims);
double spacing[3];
input->GetSpacing(spacing);
double origin[3];
input->GetOrigin(origin);
int extent[6];
input->GetExtent(extent);
output->GetPixelContainer()->SetImportPointer(static_cast<PixelType*>(input->GetScalarPointer()),dims[0]*dims[1]*dims[2],false);
typename ImageType::RegionType region;
typename ImageType::IndexType index;
typename ImageType::SizeType size;
//index[0] = index[1] = index[2] = 0;
//size[0] = dims[0];
//size[1] = dims[1];
//size[2] = dims[2];
index[0] = extent[0];
index[1] = extent[2];
index[2] = extent[4];
size[0] = extent[1] - extent[0] + 1;
size[1] = extent[3] - extent[2] + 1;
size[2] = extent[5] - extent[4] + 1;
region.SetIndex(index);
region.SetSize(size);
output->SetLargestPossibleRegion(region);
output->SetBufferedRegion(region);
output->SetSpacing(spacing);
output->SetOrigin(origin);
}
template<typename TImage>
static void
VTKToITKVectorImage(vtkImageData* input, typename TImage::Pointer output) {
typedef TImage ImageType;
typedef typename ImageType::Pointer ImagePointer;
typedef typename ImageType::PixelType PixelType;
typedef typename ImageType::InternalPixelType InternalPixelType;
int dims[3];
input->GetDimensions(dims);
double spacing[3];
input->GetSpacing(spacing);
int components = input->GetNumberOfScalarComponents();
double origin[3];
input->GetOrigin(origin);
int extent[6];
input->GetExtent(extent);
output->GetPixelContainer()->SetImportPointer(static_cast<InternalPixelType*>(input->GetScalarPointer()),dims[0]*dims[1]*dims[2]*components,false);
typename ImageType::RegionType region;
typename ImageType::IndexType index;
typename ImageType::SizeType size;
//index[0] = index[1] = index[2] = 0;
//size[0] = dims[0];
//size[1] = dims[1];
//size[2] = dims[2];
index[0] = extent[0];
index[1] = extent[2];
index[2] = extent[4];
size[0] = extent[1] - extent[0] + 1;
size[1] = extent[3] - extent[2] + 1;
size[2] = extent[5] - extent[4] + 1;
region.SetIndex(index);
region.SetSize(size);
output->SetLargestPossibleRegion(region);
output->SetBufferedRegion(region);
output->SetSpacing(spacing);
output->SetOrigin(origin);
output->SetVectorLength(components);
}
template<typename TImage>
static void
ITKToVTKImage(typename TImage::Pointer input, vtkImageData* output) {
typedef TImage ImageType;
typedef typename ImageType::Pointer ImagePointer;
typedef typename ImageType::PixelType PixelType;
typedef typename ImageType::PointType PointType;
typedef typename ImageType::SpacingType SpacingType;
typedef typename ImageType::RegionType RegionType;
typedef typename ImageType::IndexType IndexType;
typedef typename ImageType::SizeType SizeType;
PointType origin = input->GetOrigin();
SpacingType spacing = input->GetSpacing();
double outputOrigin[3];
double outputSpacing[3];
outputOrigin[0] = origin[0];
outputOrigin[1] = origin[1];
outputOrigin[2] = origin[2];
outputSpacing[0] = spacing[0];
outputSpacing[1] = spacing[1];
outputSpacing[2] = spacing[2];
output->SetOrigin(outputOrigin);
output->SetSpacing(outputSpacing);
RegionType region = input->GetBufferedRegion();
IndexType index = region.GetIndex();
SizeType size = region.GetSize();
//int dimensions[3];
//dimensions[0] = size[0];
//dimensions[1] = size[1];
//dimensions[2] = size[2];
int extent[6];
extent[0] = index[0];
extent[1] = index[0] + size[0] - 1;
extent[2] = index[1];
extent[3] = index[1] + size[1] - 1;
extent[4] = index[2];
extent[5] = index[2] + size[2] - 1;
int components = input->GetNumberOfComponentsPerPixel();
int dataType = output->GetScalarType(); // WARNING: we delegate setting type to caller
//output->SetDimensions(dimensions);
output->SetExtent(extent);
output->AllocateScalars(dataType,components);
memcpy(static_cast<PixelType*>(output->GetScalarPointer()),input->GetBufferPointer(),input->GetBufferedRegion().GetNumberOfPixels()*sizeof(PixelType));
}
static void
ProgressCallback(itk::Object *o, const itk::EventObject &, void *data)
{
((vtkAlgorithm*)data)->UpdateProgress(dynamic_cast<const itk::ProcessObject*>(o)->GetProgress());
}
static void
ConnectProgress(itk::Object* obj, vtkAlgorithm* alg)
{
itk::CStyleCommand::Pointer progressCommand = itk::CStyleCommand::New();
progressCommand->SetCallback(vtkvmtkITKFilterUtilities::ProgressCallback);
progressCommand->SetClientData(alg);
obj->AddObserver(itk::ProgressEvent(),progressCommand);
}
protected:
vtkvmtkITKFilterUtilities() {};
~vtkvmtkITKFilterUtilities() {};
private:
vtkvmtkITKFilterUtilities(const vtkvmtkITKFilterUtilities&); // Not implemented.
void operator=(const vtkvmtkITKFilterUtilities&); // Not implemented.
};
#if 0
template< class TInputPixel, class TOutputPixel>
void
vtkvmtkSimpleImageToImageITKFilter<TInputPixel,TOutputPixel>::
SimpleExecute(vtkImageData *input, vtkImageData *output)
{
int inputDims[3];
input->GetDimensions(inputDims);
double inputSpacing[3];
input->GetSpacing(inputSpacing);
InputImagePointer inImage = InputImageType::New();
inImage->GetPixelContainer()->SetImportPointer(static_cast<InputPixelType*>(input->GetScalarPointer()),inputDims[0]*inputDims[1]*inputDims[2],false);
typename InputImageType::RegionType inputRegion;
typename InputImageType::IndexType inputIndex;
typename InputImageType::SizeType inputSize;
inputIndex[0] = inputIndex[1] = inputIndex[2] = 0;
inputSize[0] = inputDims[0];
inputSize[1] = inputDims[1];
inputSize[2] = inputDims[2];
inputRegion.SetIndex(inputIndex);
inputRegion.SetSize(inputSize);
inImage->SetLargestPossibleRegion(inputRegion);
inImage->SetBufferedRegion(inputRegion);
inImage->SetSpacing(inputSpacing);
int outputDims[3];
output->GetDimensions(outputDims);
double outputSpacing[3];
output->GetSpacing(outputSpacing);
OutputImagePointer outImage = OutputImageType::New();
outImage->GetPixelContainer()->SetImportPointer(static_cast<OutputPixelType*>(output->GetScalarPointer()),outputDims[0]*outputDims[1]*outputDims[2],false);
typename OutputImageType::RegionType outputRegion;
typename OutputImageType::IndexType outputIndex;
typename OutputImageType::SizeType outputSize;
outputIndex[0] = outputIndex[1] = outputIndex[2] = 0;
outputSize[0] = outputDims[0];
outputSize[1] = outputDims[1];
outputSize[2] = outputDims[2];
outputRegion.SetIndex(outputIndex);
outputRegion.SetSize(outputSize);
outImage->SetLargestPossibleRegion(outputRegion);
outImage->SetBufferedRegion(outputRegion);
outImage->SetSpacing(outputSpacing);
this->SimpleExecuteITK(inImage,outImage);
memcpy(static_cast<OutputPixelType*>(output->GetScalarPointer()),outImage->GetBufferPointer(),outImage->GetBufferedRegion().GetNumberOfPixels()*sizeof(OutputPixelType));
}
typedef vtkvmtkSimpleImageToImageITKFilter<float,float> vtkvmtkSimpleImageToImageITKFilterFF;
#endif
#endif
|
