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
|
/*=========================================================================
Program: Visualization Toolkit
Module: vtkBridgePointIteratorOnCell.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.
=========================================================================*/
// .NAME vtkBridgePointIteratorOnCell - Implementation of vtkGenericPointIterator.
// .SECTION Description
// It is just an example that show how to implement the Generic. It is also
// used for testing and evaluating the Generic.
// .SECTION See Also
// vtkGenericPointIterator, vtkBridgeDataSet
#include "vtkBridgePointIteratorOnCell.h"
#include <cassert>
#include "vtkObjectFactory.h"
#include "vtkBridgeDataSet.h"
#include "vtkDataSet.h"
#include "vtkIdList.h"
#include "vtkBridgeCell.h"
#include "vtkCell.h"
vtkStandardNewMacro(vtkBridgePointIteratorOnCell);
//-----------------------------------------------------------------------------
// Description:
// Default constructor.
vtkBridgePointIteratorOnCell::vtkBridgePointIteratorOnCell()
{
this->DataSet=0;
this->Cursor=0;
this->PtIds=0;
}
//-----------------------------------------------------------------------------
// Description:
// Destructor.
vtkBridgePointIteratorOnCell::~vtkBridgePointIteratorOnCell()
{
vtkSetObjectBodyMacro(DataSet,vtkBridgeDataSet,0);
}
//-----------------------------------------------------------------------------
void vtkBridgePointIteratorOnCell::PrintSelf(ostream& os, vtkIndent indent)
{
this->Superclass::PrintSelf(os,indent);
}
//-----------------------------------------------------------------------------
// Description:
// Move iterator to first position if any (loop initialization).
void vtkBridgePointIteratorOnCell::Begin()
{
if(this->PtIds!=0)
{
this->Cursor=0;
}
}
//-----------------------------------------------------------------------------
// Description:
// Is there no point at iterator position? (exit condition).
int vtkBridgePointIteratorOnCell::IsAtEnd()
{
return (this->PtIds==0)||(this->Cursor>=this->PtIds->GetNumberOfIds());
}
//-----------------------------------------------------------------------------
// Description:
// Move iterator to next position. (loop progression).
// \pre not_off: !IsAtEnd()
void vtkBridgePointIteratorOnCell::Next()
{
assert("pre: not_off" && !IsAtEnd());
this->Cursor++;
}
//-----------------------------------------------------------------------------
// Description:
// Point at iterator position.
// \pre not_off: !IsAtEnd()
// \post result_exists: result!=0
double *vtkBridgePointIteratorOnCell::GetPosition()
{
assert("pre: not_off" && !IsAtEnd());
double *result=this->DataSet->Implementation->GetPoint(this->PtIds->GetId(this->Cursor));
assert("post: result_exists" && result!=0);
return result;
}
//-----------------------------------------------------------------------------
// Description:
// Point at iterator position.
// \pre not_off: !IsAtEnd()
// \pre x_exists: x!=0
void vtkBridgePointIteratorOnCell::GetPosition(double x[3])
{
assert("pre: not_off" && !IsAtEnd());
assert("pre: x_exists" && x!=0);
this->DataSet->Implementation->GetPoint(this->PtIds->GetId(this->Cursor),x);
}
//-----------------------------------------------------------------------------
// Description:
// Unique identifier for the point, could be non-contiguous
// \pre not_off: !IsAtEnd()
vtkIdType vtkBridgePointIteratorOnCell::GetId()
{
assert("pre: not_off" && !IsAtEnd());
return this->PtIds->GetId(this->Cursor);
}
//-----------------------------------------------------------------------------
// Description:
// The iterator will iterate over the point of a cell
// \pre cell_exists: cell!=0
void vtkBridgePointIteratorOnCell::InitWithCell(vtkBridgeCell *cell)
{
assert("pre: cell_exists" && cell!=0);
vtkSetObjectBodyMacro(DataSet,vtkBridgeDataSet,cell->DataSet);
this->PtIds = cell->Cell->GetPointIds();
}
|
