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
|
/*=========================================================================
Program: Visualization Toolkit
Module: vtkVertexGlyphFilter.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.
=========================================================================*/
/*----------------------------------------------------------------------------
Copyright (c) Sandia Corporation
See Copyright.txt or http://www.paraview.org/HTML/Copyright.html for details.
----------------------------------------------------------------------------*/
#include "vtkVertexGlyphFilter.h"
#include "vtkCellArray.h"
#include "vtkGraph.h"
#include "vtkInformation.h"
#include "vtkInformationVector.h"
#include "vtkObjectFactory.h"
#include "vtkPointData.h"
#include "vtkPoints.h"
#include "vtkPolyData.h"
#include "vtkSmartPointer.h"
#define VTK_CREATE(type, name) \
vtkSmartPointer<type> name = vtkSmartPointer<type>::New()
vtkStandardNewMacro(vtkVertexGlyphFilter);
//-----------------------------------------------------------------------------
vtkVertexGlyphFilter::vtkVertexGlyphFilter()
{
}
vtkVertexGlyphFilter::~vtkVertexGlyphFilter()
{
}
void vtkVertexGlyphFilter::PrintSelf(ostream &os, vtkIndent indent)
{
this->Superclass::PrintSelf(os, indent);
}
//-----------------------------------------------------------------------------
int vtkVertexGlyphFilter::FillInputPortInformation(int, vtkInformation *info)
{
info->Remove(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE());
info->Append(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkGraph");
info->Append(vtkAlgorithm::INPUT_REQUIRED_DATA_TYPE(), "vtkPointSet");
return 1;
}
//-----------------------------------------------------------------------------
int vtkVertexGlyphFilter::RequestData(vtkInformation *vtkNotUsed(request),
vtkInformationVector **inputVector,
vtkInformationVector *outputVector)
{
// Get the info objects.
vtkInformation *inInfo = inputVector[0]->GetInformationObject(0);
vtkInformation *outInfo = outputVector->GetInformationObject(0);
// Get the input and output.
vtkPointSet *psInput = vtkPointSet::SafeDownCast(
inInfo->Get(vtkDataObject::DATA_OBJECT()));
vtkGraph *graphInput = vtkGraph::SafeDownCast(
inInfo->Get(vtkDataObject::DATA_OBJECT()));
vtkPolyData *output = vtkPolyData::SafeDownCast(
outInfo->Get(vtkDataObject::DATA_OBJECT()));
vtkPoints *points = 0;
if (psInput)
{
points = psInput->GetPoints();
}
else
{
points = graphInput->GetPoints();
}
// If no points, then nothing to do.
if (points == NULL)
{
return 1;
}
output->SetPoints(points);
vtkIdType numPoints = points->GetNumberOfPoints();
if (psInput)
{
output->GetPointData()->PassData(psInput->GetPointData());
}
else
{
output->GetPointData()->PassData(graphInput->GetVertexData());
}
VTK_CREATE(vtkCellArray, cells);
cells->Allocate(2*numPoints);
for (vtkIdType i = 0; i < numPoints; i++)
{
cells->InsertNextCell(1, &i);
}
output->SetVerts(cells);
return 1;
}
|
