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comparison trajectorymanagement/src/HuMetric.h @ 1159:e1e7acef8eab

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moved trajectory management library into Traffic Intelligence
author Nicolas Saunier <nicolas.saunier@polymtl.ca>
date Mon, 22 Feb 2021 22:09:35 -0500
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1158:7eb972942f22 1159:e1e7acef8eab
1 #ifndef HUMETRIC_H_
2 #define HUMETRIC_H_
3
4 #include "EuclideanMetric.h"
5
6 #include "TrajectoryExceptions.h"
7
8 /**
9 * HuMetric class.
10 *
11 * The Hu metric measures the normalized distance between two trajectories.
12 */
13 template<typename Tr, typename To>
14 class HuMetric: public Metric<Tr, To>
15 {
16 public:
17 /**
18 * Constructor.
19 */
20 HuMetric()
21 {
22 euclideanMetric = new EuclideanMetric<Tr,To> ();
23 }
24
25 /**
26 * Destructor.
27 */
28 ~HuMetric()
29 {
30 delete euclideanMetric;
31 }
32
33 /**
34 * Compute normalized distance between two trajectories.
35 *
36 * @param[in] a input trajectory
37 * @param[in] b input trajectory
38 * @param[out] result distance between two trajectories
39 */
40 void distance(const Trajectory<Tr> *a, const Trajectory<Tr> *b, To &result, unsigned int nbOfPoints = std::numeric_limits<unsigned int>::max())
41 {
42 To diff = To(0);
43
44 euclideanMetric->distance(a, b, diff, nbOfPoints);
45
46 diff /= To(a->size() * 2);
47
48 result = diff;
49 }
50
51 private:
52 /**
53 * Pointer to EuclideanMetric class.
54 */
55 Metric<Tr, To> *euclideanMetric;
56 };
57
58 #endif /* HUMETRIC_H_ */