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
|
/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkAbstractGraphAlgorithm.cxx,v $
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.
=========================================================================*/
/*----------------------------------------------------------------------------
Copyright (c) Sandia Corporation
See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
----------------------------------------------------------------------------*/
#include "vtkAbstractGraphAlgorithm.h"
#include "vtkCommand.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkObjectFactory.h"
#include "vtkAbstractGraph.h"
#include "vtkStreamingDemandDrivenPipeline.h"
#include "vtkTrivialProducer.h"
#include "vtkTree.h"
#include "vtkGraph.h"
vtkCxxRevisionMacro(vtkAbstractGraphAlgorithm, "$Revision: 1.3 $");
vtkStandardNewMacro(vtkAbstractGraphAlgorithm);
//----------------------------------------------------------------------------
vtkAbstractGraphAlgorithm::vtkAbstractGraphAlgorithm()
{
// by default assume filters have one input and one output
// subclasses that deviate should modify this setting
this->SetNumberOfInputPorts(1);
this->SetNumberOfOutputPorts(1);
}
//----------------------------------------------------------------------------
vtkAbstractGraphAlgorithm::~vtkAbstractGraphAlgorithm()
{
}
//----------------------------------------------------------------------------
void vtkAbstractGraphAlgorithm::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
//----------------------------------------------------------------------------
int vtkAbstractGraphAlgorithm::ProcessRequest(vtkInformation* request,
vtkInformationVector** inputVector,
vtkInformationVector* outputVector)
{
// generate the data
if(request->Has(vtkDemandDrivenPipeline::REQUEST_DATA()))
{
return this->RequestData(request, inputVector, outputVector);
}
if(request->Has(vtkStreamingDemandDrivenPipeline::REQUEST_UPDATE_EXTENT()))
{
return this->RequestUpdateExtent(request, inputVector, outputVector);
}
// create the output
if(request->Has(vtkDemandDrivenPipeline::REQUEST_DATA_OBJECT()))
{
return this->RequestDataObject(request, inputVector, outputVector);
}
// execute information
if(request->Has(vtkDemandDrivenPipeline::REQUEST_INFORMATION()))
{
return this->RequestInformation(request, inputVector, outputVector);
}
return this->Superclass::ProcessRequest(request, inputVector, outputVector);
}
//----------------------------------------------------------------------------
int vtkAbstractGraphAlgorithm::FillOutputPortInformation(
int vtkNotUsed(port), vtkInformation* info)
{
// now add our info
info->Set(vtkDataObject::DATA_TYPE_NAME(), "vtkAbstractGraph");
return 1;
}
//----------------------------------------------------------------------------
int vtkAbstractGraphAlgorithm::FillInputPortInformation(
int vtkNotUsed(port), vtkInformation* info)
{
info->Set(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkAbstractGraph");
return 1;
}
//----------------------------------------------------------------------------
vtkAbstractGraph* vtkAbstractGraphAlgorithm::GetOutput(int index)
{
return vtkAbstractGraph::SafeDownCast(this->GetOutputDataObject(index));
}
//----------------------------------------------------------------------------
void vtkAbstractGraphAlgorithm::SetInput(int index, vtkDataObject* input)
{
if (input)
{
this->SetInputConnection(index, input->GetProducerPort());
}
else
{
// Setting a NULL input removes the connection.
this->SetInputConnection(index, 0);
}
}
//----------------------------------------------------------------------------
int vtkAbstractGraphAlgorithm::RequestInformation(
vtkInformation* vtkNotUsed(request),
vtkInformationVector** vtkNotUsed(inputVector),
vtkInformationVector* vtkNotUsed(outputVector))
{
// do nothing let subclasses handle it
return 1;
}
//----------------------------------------------------------------------------
int vtkAbstractGraphAlgorithm::RequestUpdateExtent(
vtkInformation* vtkNotUsed(request),
vtkInformationVector** inputVector,
vtkInformationVector* vtkNotUsed(outputVector))
{
int numInputPorts = this->GetNumberOfInputPorts();
for (int i=0; i<numInputPorts; i++)
{
int numInputConnections = this->GetNumberOfInputConnections(i);
for (int j=0; j<numInputConnections; j++)
{
vtkInformation* inputInfo = inputVector[i]->GetInformationObject(j);
inputInfo->Set(vtkStreamingDemandDrivenPipeline::EXACT_EXTENT(), 1);
}
}
return 1;
}
//----------------------------------------------------------------------------
// This is the superclasses style of Execute method. Convert it into
// an imaging style Execute method.
int vtkAbstractGraphAlgorithm::RequestData(
vtkInformation* vtkNotUsed( request ),
vtkInformationVector** vtkNotUsed( inputVector ),
vtkInformationVector* vtkNotUsed( outputVector ) )
{
return 0;
}
//----------------------------------------------------------------------------
int vtkAbstractGraphAlgorithm::RequestDataObject(
vtkInformation*,
vtkInformationVector** inputVector ,
vtkInformationVector* outputVector)
{
vtkInformation* inInfo = inputVector[0]->GetInformationObject(0);
if (!inInfo)
{
return 0;
}
vtkAbstractGraph *input = vtkAbstractGraph::SafeDownCast(
inInfo->Get(vtkDataObject::DATA_OBJECT()));
if (input)
{
// for each output
for(int i=0; i < this->GetNumberOfOutputPorts(); ++i)
{
vtkInformation* info = outputVector->GetInformationObject(i);
vtkAbstractGraph *output = vtkAbstractGraph::SafeDownCast(
info->Get(vtkDataObject::DATA_OBJECT()));
if (!output || !output->IsA(input->GetClassName()))
{
output = input->NewInstance();
output->SetPipelineInformation(info);
output->Delete();
this->GetOutputPortInformation(i)->Set(
vtkDataObject::DATA_EXTENT_TYPE(), output->GetExtentType());
}
}
return 1;
}
return 0;
}
|
