OptionaldataOptionalmaxOptionalmaxOptionalmaxOptionalminOptionalopacityOptionalpreloadingAlso loads tiles adjacent to the visible ones; costs CPU and network traffic. Default false.
OptionalsynchronizedShows all visible tiles together once all are loaded, rather than one by one (for animated tiles).
OptionaltileOptionalupdateOptionalvisibleOptionalvisibleOptionalzoomHigher bias uses more detailed tiles for a given view. Default 0.
A missing tile at zoom Z falls back to Z-1 ... Z-maxOverzoomLevel. Default 6.