tworaypropagationmodelalgorithm.h

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/*
 * Copyright (c) 2013-2014 - Adjacent Link LLC, Bridgewater, New Jersey
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#ifndef EMANETWORAYPROPAGATIONMODELALGORITHM_HEADER_
#define EMANETWORAYPROPAGATIONMODELALGORITHM_HEADER_

#include "propagationmodelalgorithm.h"

namespace EMANE
{
  class TwoRayPropagationModelAlgorithm : public PropagationModelAlgorithm
  {
  public:
    TwoRayPropagationModelAlgorithm(NEMId){}
      
    std::pair<std::vector<double>, bool> operator()(NEMId,
                                                    const LocationInfo & locationPairInfo,
                                                    const FrequencySegments & segments) override
    {
      // at least one location is unknown
      if(!locationPairInfo)
        {
          return {{},false};
        }

      double dDistance{locationPairInfo.getDistanceMeters()};

      double dPathloss{};

      if(dDistance)
        {
          dPathloss =
            (40.0 * log10(dDistance)) -
            (20.0 *
             (log10(locationPairInfo.getLocalPOV().getPosition().getAltitudeMeters()) +
              log10(locationPairInfo.getRemotePOV().getPosition().getAltitudeMeters())));
        }
        
      return {std::vector<double>(segments.size(),dPathloss < 0 ? 0 : dPathloss),true};
    }
  };
}

#endif  // EMANETWORAYPROPAGATIONMODELALGORITHM_HEADER_