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
|
/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkSelectionAlgorithm.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.
=========================================================================*/
#include "vtkSelectionAlgorithm.h"
#include "vtkCommand.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkObjectFactory.h"
#include "vtkSelection.h"
#include "vtkStreamingDemandDrivenPipeline.h"
#include "vtkTrivialProducer.h"
vtkCxxRevisionMacro(vtkSelectionAlgorithm, "$Revision: 1.1 $");
vtkStandardNewMacro(vtkSelectionAlgorithm);
//----------------------------------------------------------------------------
vtkSelectionAlgorithm::vtkSelectionAlgorithm()
{
// by default assume filters have one input and one output
// subclasses that deviate should modify this setting
this->SetNumberOfInputPorts(1);
this->SetNumberOfOutputPorts(1);
}
//----------------------------------------------------------------------------
vtkSelectionAlgorithm::~vtkSelectionAlgorithm()
{
}
//----------------------------------------------------------------------------
void vtkSelectionAlgorithm::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
//----------------------------------------------------------------------------
int vtkSelectionAlgorithm::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);
}
// execute information
if(request->Has(vtkDemandDrivenPipeline::REQUEST_INFORMATION()))
{
return this->RequestInformation(request, inputVector, outputVector);
}
return this->Superclass::ProcessRequest(request, inputVector, outputVector);
}
//----------------------------------------------------------------------------
int vtkSelectionAlgorithm::FillOutputPortInformation(
int vtkNotUsed(port), vtkInformation* info)
{
// now add our info
info->Set(vtkDataObject::DATA_TYPE_NAME(), "vtkSelection");
return 1;
}
//----------------------------------------------------------------------------
int vtkSelectionAlgorithm::FillInputPortInformation(
int vtkNotUsed(port), vtkInformation* info)
{
info->Set(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkSelection");
return 1;
}
//----------------------------------------------------------------------------
vtkSelection* vtkSelectionAlgorithm::GetOutput(int index)
{
return vtkSelection::SafeDownCast(this->GetOutputDataObject(index));
}
//----------------------------------------------------------------------------
void vtkSelectionAlgorithm::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 vtkSelectionAlgorithm::RequestInformation(
vtkInformation* vtkNotUsed(request),
vtkInformationVector** vtkNotUsed(inputVector),
vtkInformationVector* vtkNotUsed(outputVector))
{
// do nothing let subclasses handle it
return 1;
}
//----------------------------------------------------------------------------
int vtkSelectionAlgorithm::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 vtkSelectionAlgorithm::RequestData(
vtkInformation* vtkNotUsed( request ),
vtkInformationVector** vtkNotUsed( inputVector ),
vtkInformationVector* vtkNotUsed( outputVector ) )
{
return 0;
}
|
