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
|
// SPDX-FileCopyrightText: Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
// SPDX-License-Identifier: BSD-3-Clause
#include "vtkImageGridSource.h"
#include "vtkImageData.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkObjectFactory.h"
#include "vtkStreamingDemandDrivenPipeline.h"
#include <cmath>
VTK_ABI_NAMESPACE_BEGIN
vtkStandardNewMacro(vtkImageGridSource);
//------------------------------------------------------------------------------
vtkImageGridSource::vtkImageGridSource()
{
this->DataExtent[0] = 0;
this->DataExtent[1] = 255;
this->DataExtent[2] = 0;
this->DataExtent[3] = 255;
this->DataExtent[4] = 0;
this->DataExtent[5] = 0;
this->GridSpacing[0] = 10;
this->GridSpacing[1] = 10;
this->GridSpacing[2] = 0;
this->GridOrigin[0] = 0;
this->GridOrigin[1] = 0;
this->GridOrigin[2] = 0;
this->DataScalarType = VTK_FLOAT;
this->DataOrigin[0] = this->DataOrigin[1] = this->DataOrigin[2] = 0.0;
this->DataSpacing[0] = this->DataSpacing[1] = this->DataSpacing[2] = 1.0;
this->LineValue = 1.0;
this->FillValue = 0.0;
this->SetNumberOfInputPorts(0);
}
//------------------------------------------------------------------------------
int vtkImageGridSource::RequestInformation(vtkInformation* vtkNotUsed(request),
vtkInformationVector** vtkNotUsed(inputVector), vtkInformationVector* outputVector)
{
// get the info objects
vtkInformation* outInfo = outputVector->GetInformationObject(0);
outInfo->Set(vtkDataObject::SPACING(), this->DataSpacing, 3);
outInfo->Set(vtkDataObject::ORIGIN(), this->DataOrigin, 3);
outInfo->Set(vtkStreamingDemandDrivenPipeline::WHOLE_EXTENT(), this->DataExtent, 6);
vtkDataObject::SetPointDataActiveScalarInfo(outInfo, this->DataScalarType, 1);
return 1;
}
//------------------------------------------------------------------------------
template <class T>
void vtkImageGridSourceExecute(
vtkImageGridSource* self, vtkImageData* data, T* outPtr, int outExt[6], int id)
{
int idxX, idxY, idxZ;
int xval, yval, zval;
vtkIdType outIncX, outIncY, outIncZ;
unsigned long count = 0;
unsigned long target;
int gridSpacing[3], gridOrigin[3];
self->GetGridSpacing(gridSpacing);
self->GetGridOrigin(gridOrigin);
T fillValue = T(self->GetFillValue());
T lineValue = T(self->GetLineValue());
// Get increments to march through data
data->GetContinuousIncrements(outExt, outIncX, outIncY, outIncZ);
target =
static_cast<unsigned long>((outExt[5] - outExt[4] + 1) * (outExt[3] - outExt[2] + 1) / 50.0);
target++;
// Loop through output pixel
for (idxZ = outExt[4]; idxZ <= outExt[5]; idxZ++)
{
if (gridSpacing[2])
{
zval = (idxZ % gridSpacing[2] == gridOrigin[2]);
}
else
{
zval = 0;
}
for (idxY = outExt[2]; !self->GetAbortExecute() && idxY <= outExt[3]; idxY++)
{
if (gridSpacing[1])
{
yval = (idxY % gridSpacing[1] == gridOrigin[1]);
}
else
{
yval = 0;
}
if (id == 0)
{
if (!(count % target))
{
self->UpdateProgress(count / (50.0 * target));
}
count++;
}
if (gridSpacing[0])
{
for (idxX = outExt[0]; idxX <= outExt[1]; idxX++)
{
xval = (idxX % gridSpacing[0] == gridOrigin[0]);
// not very efficient, but it gets the job done
*outPtr++ = ((zval | yval | xval) ? lineValue : fillValue);
}
}
else
{
for (idxX = outExt[0]; idxX <= outExt[1]; idxX++)
{
*outPtr++ = ((zval | yval) ? lineValue : fillValue);
}
}
outPtr += outIncY;
}
outPtr += outIncZ;
}
}
//------------------------------------------------------------------------------
void vtkImageGridSource::ExecuteDataWithInformation(vtkDataObject* output, vtkInformation* outInfo)
{
vtkImageData* data = this->AllocateOutputData(output, outInfo);
int* outExt = data->GetExtent();
void* outPtr = data->GetScalarPointerForExtent(outExt);
// Call the correct templated function for the output
switch (this->GetDataScalarType())
{
vtkTemplateMacro(
vtkImageGridSourceExecute(this, data, static_cast<VTK_TT*>(outPtr), outExt, 0));
default:
vtkErrorMacro(<< "Execute: Unknown data type");
}
}
//------------------------------------------------------------------------------
void vtkImageGridSource::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
os << indent << "GridSpacing: (" << this->GridSpacing[0] << ", " << this->GridSpacing[1] << ", "
<< this->GridSpacing[2] << ")\n";
os << indent << "GridOrigin: (" << this->GridOrigin[0] << ", " << this->GridOrigin[1] << ", "
<< this->GridOrigin[2] << ")\n";
os << indent << "LineValue: " << this->LineValue << "\n";
os << indent << "FillValue: " << this->FillValue << "\n";
os << indent << "DataScalarType: " << vtkImageScalarTypeNameMacro(this->DataScalarType) << "\n";
os << indent << "DataExtent: (" << this->DataExtent[0] << ", " << this->DataExtent[1] << ", "
<< this->DataExtent[2] << ", " << this->DataExtent[3] << ", " << this->DataExtent[4] << ", "
<< this->DataExtent[5] << ")\n";
os << indent << "DataSpacing: (" << this->DataSpacing[0] << ", " << this->DataSpacing[1] << ", "
<< this->DataSpacing[2] << ")\n";
os << indent << "DataOrigin: (" << this->DataOrigin[0] << ", " << this->DataOrigin[1] << ", "
<< this->DataOrigin[2] << ")\n";
}
VTK_ABI_NAMESPACE_END
|
