Method GetDistanceAndAzimut

libs/map/framework.cpp:1468–1495

}

bool Framework::GetDistanceAndAzimut(m2::PointD const & point, double lat, double lon, double north,
                                     platform::Distance & distance, double & azimut)
{
#ifdef FIXED_LOCATION
  m_fixedPos.GetLat(lat);
  m_fixedPos.GetLon(lon);
  m_fixedPos.GetNorth(north);
#endif

  double const d = ms::DistanceOnEarth(lat, lon, mercator::YToLat(point.y), mercator::XToLon(point.x));

  // Distance may be less than 1.0
  distance = platform::Distance::CreateFormatted(d);

  // We calculate azimuth even when distance is very short (d ~ 0),
  // because return value has 2 states (near me or far from me).

  azimut = ang::Azimuth(mercator::FromLatLon(lat, lon), point, north);

  double const pi2 = 2.0 * math::pi;
  if (azimut < 0.0)
    azimut += pi2;
  else if (azimut > pi2)
    azimut -= pi2;

  // This constant and return value is using for arrow/flag choice.
  return (d < 25000.0);
}

void Framework::CreateDrapeEngine(ref_ptr<dp::GraphicsContextFactory> contextFactory, DrapeCreationParams && params)
{