OptionalallowOptionalbasebaseLevels (these levels will be requested by the loader, all other child levels will be interpolated
Optionalidif property exists will be used to set the ID of the feature
Optionaltilesize of the LRU (least recently used) tileCache per baseLevel
Optionaltracktracks in which tile each feature exists. (features without an ID will be ignored). Better performance if deactivated, but does not allow for featureVisibility. Should be set to false if not unique featureID is provided.
allows aggregation of tiles if requested minLevel is lower than provided baseLevels ( if true, allows for aggregating up to two levels (16 child tiles) into a tile)