ITK  4.9.0
Insight Segmentation and Registration Toolkit
itkLabelObjectLineComparator.h
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18 #ifndef itkLabelObjectLineComparator_h
19 #define itkLabelObjectLineComparator_h
20 
21 namespace itk
22 {
23 namespace Functor
24 {
25 
40 template< typename TLabelObjectLine >
42 {
43 public:
44  bool operator()(TLabelObjectLine const & l1, TLabelObjectLine const & l2) const
45  {
46  const typename TLabelObjectLine::IndexType & idx1 = l1.GetIndex();
47  const typename TLabelObjectLine::IndexType & idx2 = l2.GetIndex();
48 
49  for ( int i = TLabelObjectLine::ImageDimension - 1; i >= 0; i-- )
50  {
51  if ( idx1[i] < idx2[i] )
52  {
53  return true;
54  }
55  else if ( idx1[i] > idx2[i] )
56  {
57  return false;
58  }
59  }
60  return l1.GetLength() < l2.GetLength();
61  }
62 };
63 
64 } // end namespace Functor
65 } // end namespace itk
66 
67 #endif
Performs a comparison of l1 &lt; l2. Returns true if l1 is strictly less than l2.
bool operator()(TLabelObjectLine const &l1, TLabelObjectLine const &l2) const