owlps/owlps-positioner/src/trilaterationalgorithm.hh

93 lines
3.0 KiB
C++

/*
* This file is part of the Owl Positioning System (OwlPS).
* OwlPS is a project of the University of Franche-Comte
* (Université de Franche-Comté), France.
*
* Copyright © Université de Franche-Comté 2007-2012.
*
* Corresponding author: Matteo Cypriani <mcy@lm7.fr>
*
***********************************************************************
*
* This software is governed by the CeCILL license under French law and
* abiding by the rules of distribution of free software. You can use,
* modify and/or redistribute the software under the terms of the CeCILL
* license as circulated by CEA, CNRS and INRIA at the following URL:
* http://www.cecill.info
*
* As a counterpart to the access to the source code and rights to copy,
* modify and redistribute granted by the license, users are provided
* only with a limited warranty and the software's authors, the holder
* of the economic rights, and the successive licensors have only
* limited liability.
*
* In this respect, the user's attention is drawn to the risks
* associated with loading, using, modifying and/or developing or
* reproducing the software by the user in light of its specific status
* of free software, that may mean that it is complicated to manipulate,
* and that also therefore means that it is reserved for developers and
* experienced professionals having in-depth computer knowledge. Users
* are therefore encouraged to load and test the software's suitability
* as regards their requirements in conditions enabling the security of
* their systems and/or data to be ensured and, more generally, to use
* and operate it in the same conditions as regards security.
*
* The fact that you are presently reading this means that you have had
* knowledge of the CeCILL license and that you accept its terms.
*
***********************************************************************
*/
#ifndef _OWLPS_POSITIONING_TRILATERATIONALGORITHM_HH_
#define _OWLPS_POSITIONING_TRILATERATIONALGORITHM_HH_
#include "positioningalgorithm.hh"
#include "trilaterationmethod.hh"
/// Super-class of trilateration-based positioning algorithms
class TrilaterationAlgorithm: public virtual PositioningAlgorithm
{
protected:
const Request *request ;
std::tr1::unordered_map<AccessPoint*, float> ap_distances ;
TrilaterationMethod *trilateration_method ;
/** @name Operations */
//@{
double make_constant_term(const Measurement &measurement) ;
void compute_ap_distance_circles() ;
Point3D trilaterate() ;
Point3D trilaterate_2d(float z) ;
//@}
public:
TrilaterationAlgorithm(void) ;
virtual ~TrilaterationAlgorithm(void) ;
/** @name Operations */
//@{
Result compute(const Request &_request) ;
virtual float estimate_distance(const Measurement &measurement) = 0 ;
//@}
} ;
inline Point3D TrilaterationAlgorithm::trilaterate()
{
return trilateration_method->trilaterate(ap_distances) ;
}
inline Point3D TrilaterationAlgorithm::trilaterate_2d(float z)
{
return trilateration_method->trilaterate_2d(ap_distances, z) ;
}
#endif // _OWLPS_POSITIONING_TRILATERATIONALGORITHM_HH_