Method OnUpdateViewport

libs/drape_frontend/traffic_renderer.cpp:116–128

}

void TrafficRenderer::OnUpdateViewport(CoverageResult const & coverage, int currentZoomLevel,
                                       buffer_vector<TileKey, 8> const & tilesToDelete)
{
  m_renderData.erase(std::remove_if(m_renderData.begin(), m_renderData.end(),
                                    [&coverage, &currentZoomLevel, &tilesToDelete](TrafficRenderData const & rd)
  {
    return rd.m_tileKey.m_zoomLevel == currentZoomLevel &&
           (rd.m_tileKey.m_x < coverage.m_minTileX || rd.m_tileKey.m_x >= coverage.m_maxTileX ||
            rd.m_tileKey.m_y < coverage.m_minTileY || rd.m_tileKey.m_y >= coverage.m_maxTileY ||
            base::IsExist(tilesToDelete, rd.m_tileKey));
  }),
                     m_renderData.end());
}

void TrafficRenderer::OnGeometryReady(int currentZoomLevel)
{