Function GetZoomLevel

libs/drape_frontend/visual_params.cpp:324–331

}

double GetZoomLevel(double screenScale)
{
  VisualParams const & p = VisualParams::Instance();
  auto const pxLen = static_cast<double>(p.GetTileSize());
  auto const len = pxLen * screenScale;
  auto const factor = mercator::Bounds::kRangeX / len;
  return math::Clamp(GetDrawTileScale(fabs(std::log2(factor))), 1.0, scales::GetUpperStyleScale() + 1.0);
}

float CalculateRadius(ScreenBase const & screen, ArrayView<float> const & zoom2radius)
{