Mercurial Hosting > traffic-intelligence
diff trajectorymanagement/src/EuclideanMetric.h @ 1159:e1e7acef8eab
moved trajectory management library into Traffic Intelligence
author | Nicolas Saunier <nicolas.saunier@polymtl.ca> |
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date | Mon, 22 Feb 2021 22:09:35 -0500 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/trajectorymanagement/src/EuclideanMetric.h Mon Feb 22 22:09:35 2021 -0500 @@ -0,0 +1,57 @@ +#ifndef EUCLIDIANMETRIC_H_ +#define EUCLIDIANMETRIC_H_ + +#include "SquaredEuclideanMetric.h" +#include "TrajectoryExceptions.h" + +/** + * EuclideanMetric class. + * + * The Euclidean metric measures the distance between two trajectories. + */ +template<typename Tr, typename To> +class EuclideanMetric: public Metric<Tr, To> +{ +public: + /** + * Constructor. + */ + EuclideanMetric() + { + squaredEuclideanMetric = new SquaredEuclideanMetric<Tr, To> (); + } + + /** + * Destructor. + */ + ~EuclideanMetric() + { + delete squaredEuclideanMetric; + } + + /** + * Compute distance between two trajectories. + * + * @param[in] a input trajectory + * @param[in] b input trajectory + * @param[out] result distance between two trajectories + */ + void distance(const Trajectory<Tr> *a, const Trajectory<Tr> *b, To &result, unsigned int nbOfPoints = std::numeric_limits<unsigned int>::max()) + { + To diff = To(0); + + squaredEuclideanMetric->distance(a, b, diff, nbOfPoints); + + diff = sqrt(diff); + + result = diff; + } + +private: + /** + * Pointer to a SquaredEuclideanMetric class. + */ + Metric<Tr, To> *squaredEuclideanMetric; +}; + +#endif /* EUCLIDIANMETRIC_H_ */