protected void load(WorldGenerator generator, File file) throws Exception {
// prepare to read the meta data
YamlConfiguration metaYaml = new YamlConfiguration();
metaYaml.options().header("CityWorld/WorldEdit schematic configuration");
metaYaml.options().copyDefaults(true);
// add the defaults
metaYaml.addDefault(tagGroundLevelY, groundLevelY);
metaYaml.addDefault(tagFlipableX, flipableX);
metaYaml.addDefault(tagFlipableZ, flipableZ);