Point Cloud Library (PCL)  1.3.1
correspondence_sorting.h
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00001 /*
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00036 #ifndef PCL_REGISTRATION_CORRESPONDENCE_SORTING_H_
00037 #define PCL_REGISTRATION_CORRESPONDENCE_SORTING_H_
00038 
00039 #include <pcl/registration/correspondence_types.h>
00040 
00041 namespace pcl
00042 {
00043   namespace registration
00044   {
00049     struct sortCorrespondencesByQueryIndex : public std::binary_function<pcl::Correspondence, pcl::Correspondence, bool>
00050     {
00051       bool operator()( pcl::Correspondence a, pcl::Correspondence b)
00052       {
00053         return (a.index_query < b.index_query);
00054       }
00055     };
00056 
00061     struct sortCorrespondencesByMatchIndex : public std::binary_function<pcl::Correspondence, pcl::Correspondence, bool>
00062     {
00063       bool operator()( pcl::Correspondence a, pcl::Correspondence b)
00064       {
00065         return (a.index_match < b.index_match);
00066       }
00067     };
00068 
00073     struct sortCorrespondencesByDistance : public std::binary_function<pcl::Correspondence, pcl::Correspondence, bool>
00074     {
00075       bool operator()( pcl::Correspondence a, pcl::Correspondence b)
00076       {
00077         return (a.distance < b.distance);
00078       }
00079     };
00080 
00085     struct sortCorrespondencesByQueryIndexAndDistance : public std::binary_function<pcl::Correspondence, pcl::Correspondence, bool>
00086     {
00087       bool operator()( pcl::Correspondence a, pcl::Correspondence b)
00088       {
00089         if (a.index_query < b.index_query)
00090           return true;
00091         else if ( (a.index_query == b.index_query) && (a.distance < b.distance) )
00092           return true;
00093         return false;
00094       }
00095     };
00096 
00101     struct sortCorrespondencesByMatchIndexAndDistance : public std::binary_function<pcl::Correspondence, pcl::Correspondence, bool>
00102     {
00103       bool operator()( pcl::Correspondence a, pcl::Correspondence b)
00104       {
00105         if (a.index_match < b.index_match)
00106           return true;
00107         else if ( (a.index_match == b.index_match) && (a.distance < b.distance) )
00108           return true;
00109         return false;
00110       }
00111     };
00112 
00113   }
00114 }
00115 
00116 #endif /* PCL_REGISTRATION_CORRESPONDENCE_SORTING_H_ */
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