Method operator()

libs/search/locality_finder.cpp:168–190

LocalitySelector::LocalitySelector(m2::PointD const & p) : m_p(p) {}

void LocalitySelector::operator()(LocalityItem const & item)
{
  auto const inside = item.m_boundaries.HasPoint(m_p);

  // TODO (@y, @m): replace this naive score by p-values on
  // multivariate Gaussian.
  double const distance = mercator::DistanceOnEarth(item.m_center, m_p);

  // GetPopulationByRadius may return 0.
  double const score = (ftypes::GetPopulationByRadius(distance) + 1) / static_cast<double>(item.m_population);

  if (!inside && m_inside)
    return;

  ASSERT(inside || !m_inside, ());

  if ((inside && !m_inside) || (score < m_score))
  {
    m_inside = inside;
    m_score = score;
    m_locality = &item;
  }
}

// LocalityFinder::Holder --------------------------------------------------------------------------
LocalityFinder::Holder::Holder(double radiusMeters) : m_radiusMeters(radiusMeters) {}