186 lines
5.1 KiB
C++
186 lines
5.1 KiB
C++
/*
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* This file is part of the Owl Positioning System (OwlPS) project.
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* It is subject to the copyright notice and license terms in the
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* COPYRIGHT.t2t file found in the top-level directory of this
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* distribution and at
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* https://code.lm7.fr/mcy/owlps/src/master/COPYRIGHT.t2t
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* No part of the OwlPS Project, including this file, may be copied,
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* modified, propagated, or distributed except according to the terms
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* contained in the COPYRIGHT.t2t file; the COPYRIGHT.t2t file must be
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* distributed along with this file, either separately or by replacing
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* this notice by the COPYRIGHT.t2t file's contents.
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*/
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#ifndef _OWLPS_POSITIONING_REFERENCEPOINT_HH_
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#define _OWLPS_POSITIONING_REFERENCEPOINT_HH_
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class CapturePoint ;
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class CalibrationRequest ;
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class Request ;
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#include "point3d.hh"
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#include "measurement.hh"
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#include <vector>
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#include <ostream>
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#include <unordered_map>
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/// Represents a reference point in 3-D space
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class ReferencePoint: public Point3D
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{
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protected:
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/// List of CalibrationRequest associated with the ReferencePoint
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/** Note that `requests` is a *pointer* list: only pointers
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are stored, not values. */
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std::vector<CalibrationRequest*> requests ;
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/** @name Read accessors */
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//@{
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std::unordered_map<std::string, Measurement>
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get_all_measurements(void) const ;
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/// Returns all the measurements sent by the given mobile
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std::unordered_map<std::string, Measurement>
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get_all_measurements(const std::string &mac_transmitter) const ;
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//@}
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public:
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ReferencePoint(const float _x = 0,
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const float _y = 0,
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const float _z = 0): Point3D(_x, _y, _z) {}
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ReferencePoint(const Point3D &p): Point3D(p) {}
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ReferencePoint(const ReferencePoint &source):
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Point3D(source), requests(source.requests) {}
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~ReferencePoint(void) ;
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/** @name Read accessors */
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//@{
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/// Returns all the calibration requests
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const std::vector<CalibrationRequest*>& get_requests(void) const ;
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/// Returns the calibration requests sent by the given mobile
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const std::vector<CalibrationRequest*> get_requests(
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const std::string &mac_transmitter) const ;
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/// Returns the average SS of all the packets sent by `mac_transmitter`
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double average_measurements(const std::string &mac_transmitter) const ;
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//@}
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/** @name Write accessors */
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//@{
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/// Adds a Request to the [requests' list](@ref #requests)
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void add_request(const CalibrationRequest *const r) ;
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/// Deletes a Request from the [requests' list](@ref #requests)
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void delete_request(const CalibrationRequest *const r) ;
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/// Deletes all the requests contained in #requests
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void delete_requests(void) ;
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/// Deletes the requests that are not sent by a CP
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bool delete_generated_requests(void) ;
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//@}
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/** @name Operations */
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//@{
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/// Computes the similarity of the ReferencePoint and a Request
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float similarity(const Request &source) const ;
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/// Computes the Friis index for the given CapturePoint
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float friis_index_for_cp(const std::string &cp_mac) const ;
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/// Computes the Friis indexes sum for the given CapturePoint
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float friis_indexes_for_cp(const CapturePoint &cp,
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const double const_term,
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int &nb_indexes) const ;
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/// Computes the Friis index for the given CapturePoint and packet ID
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float friis_index_for_cp(
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const std::string &cp_mac, const pkt_id_t pkt_id) const ;
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//@}
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/** @name Operators */
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//@{
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ReferencePoint& operator=(const ReferencePoint &source) ;
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bool operator==(const ReferencePoint &source) const ;
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bool operator!=(const ReferencePoint &source) const ;
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//@}
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/// Displays a ReferencePoint
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friend std::ostream &operator<<(
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std::ostream &os, const ReferencePoint &rp) ;
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} ;
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/* *** Read accessors *** */
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inline const
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std::vector<CalibrationRequest*>& ReferencePoint::get_requests() const
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{
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return requests ;
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}
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/* *** Write accessors *** */
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/**
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* @param r A pointer to the CalibrationRequest to add. If it is
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* null, nothing will be done.
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* The memory pointed by this pointer must not be deallocated before
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* the ReferencePoint destruction (do *not* pass a pointer to a local
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* variable!).
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*/
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inline void ReferencePoint::add_request(const CalibrationRequest *r)
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{
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if (r)
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requests.push_back(const_cast<CalibrationRequest*>(r)) ;
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}
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/* *** Operators *** */
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inline bool ReferencePoint::operator!=(const ReferencePoint &source) const
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{
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return !(*this == source) ;
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}
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namespace std
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{
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template<> struct hash<ReferencePoint>
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{
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public:
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/**
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* This is a simple call to the hash function for Point3D, because we
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* do not want to take care of the CalibrationRequest list to hash the
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* ReferencePoint.
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*/
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size_t operator()(const ReferencePoint &source) const
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{
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hash<Point3D> h ;
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return h(source) ;
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}
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} ;
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template<> struct equal_to<ReferencePoint>
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{
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public:
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/**
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* We want to take into account only the coordinates when comparing
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* two ReferencePoint in a container.
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*/
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bool operator()(const ReferencePoint &source1,
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const ReferencePoint &source2) const
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{
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return
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static_cast<Point3D>(source1) == static_cast<Point3D>(source2) ;
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}
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} ;
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}
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#endif // _OWLPS_POSITIONING_REFERENCEPOINT_HH_
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