public Point z14Point(double x, double y) {
    return newPoint(
      GeoUtils.getWorldLon(0.5 + x * Z14_WIDTH / 256),
      GeoUtils.getWorldLat(0.5 + y * Z14_WIDTH / 256)
    );
  }
In-memory tests with fake data and profiles to ensure all features work end-to-end.
planetiler-core/src/test/java/com/onthegomap/planetiler/PlanetilerTests.java