IntensityModel.h

/* -*- mode:c++ -*- ********************************************************
 * file:        IntensityModel.h
 *
 * author:      Jerome Rousselot
 *
 * copyright:   (C) 2008 Centre Suisse d'Electronique et Microtechnique (CSEM) SA
 *              Real-Time Software and Networking
 *              Jaquet-Droz 1, CH-2002 Neuchatel, Switzerland.
 *
 *              This program is free software; you can redistribute it
 *              and/or modify it under the terms of the GNU General Public
 *              License as published by the Free Software Foundation; either
 *              version 2 of the License, or (at your option) any later
 *              version.
 *              For further information see file COPYING
 *              in the top level directory
 * description: this AnalogueModel models the spreading of radiated power
 *        over a sphere centered on the emitter.
 ***************************************************************************/
#ifndef INTENSITYMODEL_H_
#define INTENSITYMODEL_H_

#include "AnalogueModel.h"
#include "Mapping.h"
#include "Signal_.h"
#include "BaseWorldUtility.h"
#include <math.h>

#define PI 3.1415926

class IntensityModel : public AnalogueModel {

public:
  IntensityModel() { }
  void filterSignal(Signal& s) {
    TimeMapping<Linear>* attMapping = new TimeMapping<Linear> ();

    // Determine distance between sender and receiver
    Move srcMove = s.getMove();
    Coord srcCoord, rcvCoord;
    double distance = 0;
    srcCoord = srcMove.getPositionAt(s.getSignalStart());
    rcvCoord = move->getPositionAt(s.getSignalStart());
    distance = rcvCoord.distance(srcCoord);

    Argument arg;
    attMapping->setValue(arg, 4*PI*pow(distance, 2));
    s.addAttenuation(attMapping);
  }
};

#endif /* INTENSITYMODEL_H_ */