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
|
/*=========================================================================
Program: Visualization Toolkit
Module: TestCopyAttributeData.cxx
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/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 notice for more information.
=========================================================================*/
// Test the vtkImageAlgorithm::CopyAttributeData() method, which copies
// all of the attribute data arrays (PointData and CellData) that is
// not usually handled by the Execute methods of the imaging filters
// (Execute methods typically process only the PointData Scalars).
#include "vtkImageAlgorithm.h"
#include "vtkImageData.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkObjectFactory.h"
#include "vtkStreamingDemandDrivenPipeline.h"
#include "vtkIntArray.h"
#include "vtkFloatArray.h"
#include "vtkStringArray.h"
#include "vtkPointData.h"
#include "vtkCellData.h"
#include "vtkVariant.h"
#include "vtkSmartPointer.h"
#include <math.h>
#include <string.h>
// Make a dummy image filter that does nothing but call CopyAttributeData.
class vtkDummyImageFilter : public vtkImageAlgorithm
{
public:
static vtkDummyImageFilter *New();
vtkTypeMacro(vtkDummyImageFilter,vtkImageAlgorithm);
protected:
vtkDummyImageFilter() {};
~vtkDummyImageFilter() {};
int RequestData(
vtkInformation* request,
vtkInformationVector** inputVector,
vtkInformationVector* outputVector);
private:
vtkDummyImageFilter(const vtkDummyImageFilter&); // Not implemented.
void operator=(const vtkDummyImageFilter&); // Not implemented.
};
vtkStandardNewMacro(vtkDummyImageFilter);
int vtkDummyImageFilter::RequestData(
vtkInformation*,
vtkInformationVector** inputVector,
vtkInformationVector* outputVector)
{
vtkInformation* inInfo = inputVector[0]->GetInformationObject(0);
vtkImageData *inData = vtkImageData::SafeDownCast(
inInfo->Get(vtkDataObject::DATA_OBJECT()));
vtkInformation* outInfo = outputVector->GetInformationObject(0);
vtkImageData *outData = vtkImageData::SafeDownCast(
outInfo->Get(vtkDataObject::DATA_OBJECT()));
int extent[6];
outInfo->Get(vtkStreamingDemandDrivenPipeline::UPDATE_EXTENT(), extent);
this->AllocateOutputData(outData, outInfo, extent);
// this is what we are testing
this->CopyAttributeData(inData, outData, inputVector);
// scalars would usually be processed here, but this is a dummy filter
return 1;
}
int TestCopyAttributeData(int,char *[])
{
int extent[6] = { 0, 6, 0, 4, 0, 2 };
int outExt[6] = { 0, 4, 2, 2, 0, 2 };
vtkSmartPointer<vtkImageData> image =
vtkSmartPointer<vtkImageData>::New();
image->SetExtent(extent);
image->AllocateScalars(VTK_UNSIGNED_CHAR, 1);
vtkIdType numPoints = image->GetNumberOfPoints();
vtkIdType numCells = image->GetNumberOfCells();
vtkSmartPointer<vtkFloatArray> pointVectors =
vtkSmartPointer<vtkFloatArray>::New();
pointVectors->SetName("ImageVectors");
pointVectors->SetNumberOfComponents(3);
pointVectors->SetNumberOfTuples(numPoints);
for (vtkIdType i = 0; i < numPoints; i++)
{
double v[3];
v[0] = sin(i*0.5);
v[1] = cos(i*0.5);
v[2] = sin(i*0.1);
pointVectors->SetTuple(i, v);
}
vtkSmartPointer<vtkIntArray> cellScalars =
vtkSmartPointer<vtkIntArray>::New();
cellScalars->SetName("CellScalars");
cellScalars->SetNumberOfValues(numCells);
vtkSmartPointer<vtkStringArray> cellStrings =
vtkSmartPointer<vtkStringArray>::New();
cellStrings->SetName("CellStrings");
cellStrings->SetNumberOfValues(numCells);
for (vtkIdType j = 0; j < numCells; j++)
{
vtkVariant val(j);
cellScalars->SetValue(j, j);
cellStrings->SetValue(j, val.ToString());
}
image->GetPointData()->SetVectors(pointVectors);
image->GetCellData()->SetScalars(cellScalars);
image->GetCellData()->AddArray(cellStrings);
vtkSmartPointer<vtkDummyImageFilter> filter =
vtkSmartPointer<vtkDummyImageFilter>::New();
filter->SetInputData(image);
for (int r = 0; r < 2; r++)
{
filter->UpdateInformation();
filter->SetUpdateExtent(outExt);
filter->Update();
vtkImageData *output = filter->GetOutput();
vtkDataArray *outPointVectors = output->GetPointData()->GetVectors();
vtkDataArray *outCellScalars = output->GetCellData()->GetScalars();
vtkStringArray *outCellStrings = vtkStringArray::SafeDownCast(
output->GetCellData()->GetAbstractArray("CellStrings"));
for (int zId = outExt[4]; zId <= outExt[5]; zId++)
{
for (int yId = outExt[2]; yId <= outExt[3]; yId++)
{
for (int xId = outExt[0]; xId <= outExt[1]; xId++)
{
vtkIdType inIdx = (zId - extent[4])*(extent[3] - extent[2] + 1);
inIdx = (inIdx + yId - extent[2])*(extent[1] - extent[0] + 1);
inIdx = inIdx + xId - extent[0];
vtkIdType outIdx = (zId - outExt[4])*(outExt[3] - outExt[2] + 1);
outIdx = (outIdx + yId - outExt[2])*(outExt[1] - outExt[0] + 1);
outIdx = outIdx + xId - outExt[0];
double v1[3], v2[3];
pointVectors->GetTuple(inIdx, v1);
outPointVectors->GetTuple(outIdx, v2);
if (v1[0] != v2[0] || v1[1] != v2[1] || v1[2] != v2[2])
{
cerr << "point attribute value mismatch ";
return 1;
}
}
}
}
for (int zId = outExt[4]; zId < outExt[5]; zId++)
{
int ye = (outExt[2] == outExt[3]);
for (int yId = outExt[2]; yId < outExt[3] + ye; yId++)
{
for (int xId = outExt[0]; xId < outExt[1]; xId++)
{
vtkIdType inIdx = (zId - extent[4])*(extent[3] - extent[2]);
inIdx = (inIdx + yId - extent[2])*(extent[1] - extent[0]);
inIdx = inIdx + xId - extent[0];
vtkIdType outIdx = (zId - outExt[4])*(outExt[3] - outExt[2] + ye);
outIdx = (outIdx + yId - outExt[2])*(outExt[1] - outExt[0]);
outIdx = outIdx + xId - outExt[0];
double s1, s2;
cellScalars->GetTuple(inIdx, &s1);
outCellScalars->GetTuple(outIdx, &s2);
if (s1 != s2)
{
cerr << "cell attribute value mismatch\n";
return 1;
}
if (cellStrings->GetValue(inIdx) != outCellStrings->GetValue(outIdx))
{
cerr << "cell attribute string mismatch\n";
return 1;
}
}
}
}
// try again with full extent to test pass data
outExt[0] = extent[0];
outExt[1] = extent[1];
outExt[2] = extent[2];
outExt[3] = extent[3];
outExt[4] = extent[4];
outExt[5] = extent[5];
}
return 0;
}
|
