public static Envelope toWorldBounds(Envelope lonLatBounds) {
    return new Envelope(
      getWorldX(lonLatBounds.getMinX()),
      getWorldX(lonLatBounds.getMaxX()),
      getWorldY(lonLatBounds.getMinY()),
      getWorldY(lonLatBounds.getMaxY())
    );
  }
Returns a copy of {@code lonLatBounds} transformed from latitude/longitude coordinates to web mercator where
top-left corner of the planet is (0,0) and bottom-right is (1,1).
planetiler-core/src/main/java/com/onthegomap/planetiler/geo/GeoUtils.java