public int getMinZoomForPixelSize(double pixelSize) {
    try {
      return GeoUtils.minZoomForPixelSize(source.size(), pixelSize);
    } catch (GeometryException e) {
      e.log(stats, "min_zoom_for_size_failure", "Error getting min zoom for size from geometry " + source);
      return config.maxzoom();
    }
  }
Returns the minimum zoom level at which this feature is at least {@code pixelSize} pixels large.
planetiler-core/src/main/java/com/onthegomap/planetiler/FeatureCollector.java