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
|
/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkPathToChainCodePathFilter.txx,v $
Language: C++
Date: $Date: 2003-09-10 14:28:54 $
Version: $Revision: 1.2 $
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/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 notices for more information.
=========================================================================*/
#ifndef _itkPathToChainCodePathFilter_txx
#define _itkPathToChainCodePathFilter_txx
#include "itkPathToChainCodePathFilter.h"
namespace itk
{
/**
* Constructor
*/
template <class TInputPath, class TOutputChainCodePath>
PathToChainCodePathFilter<TInputPath, TOutputChainCodePath>
::PathToChainCodePathFilter()
{
this->SetNumberOfRequiredInputs( 1 );
m_MaximallyConnected = false;
}
/**
* GenerateData Performs the reflection
*/
template <class TInputPath, class TOutputChainCodePath>
void
PathToChainCodePathFilter<TInputPath, TOutputChainCodePath>
::GenerateData( void )
{
OffsetType offset;
OffsetType tempOffset;
OffsetType zeroOffset;
zeroOffset.Fill(0);
InputPathInputType inputPathInput;
int dimension = OffsetType::GetOffsetDimension();
typename Superclass::InputPathConstPointer inputPtr = this->GetInput();
typename Superclass::OutputPathPointer outputPtr = this->GetOutput(0);
//outputPtr->SetRequestedRegion( inputPtr->GetRequestedRegion() );
//outputPtr->SetBufferedRegion( inputPtr->GetBufferedRegion() );
//outputPtr->SetLargestPossibleRegion( inputPtr->GetLargestPossibleRegion() );
//outputPtr->Allocate(); // Allocate() is an Image function
outputPtr->Clear();
inputPathInput = inputPtr->StartOfInput();
outputPtr->SetStart( inputPtr->EvaluateToIndex( inputPathInput ) );
for(OutputPathInputType outputPathInput=0;;)
{
offset = inputPtr->IncrementInput(inputPathInput);
if( zeroOffset == offset ) { break; }
if( ! m_MaximallyConnected )
{
outputPtr->InsertStep( outputPathInput++, offset );
}
else
{
for( int d=0; d<dimension; d++ )
{
if( offset[d] )
{
tempOffset.Fill(0);
tempOffset[d] = offset[d];
outputPtr->InsertStep( outputPathInput++, tempOffset );
}
}
}
}
}
template <class TInputPath, class TOutputChainCodePath>
void
PathToChainCodePathFilter<TInputPath, TOutputChainCodePath>
::PrintSelf(std::ostream& os, Indent indent) const
{
Superclass::PrintSelf(os,indent);
os << indent << "MaximallyConnected: " << m_MaximallyConnected << std::endl;
}
} // end namespace itk
#endif
|
