The tilework class is a class contained by all tile* classes in the
tilework package. It is a "virtual" class.
See also
Other tile plans:
freeTilePlan,
freeTilePlan-class,
pixelTilePlan-class,
pointTilePlan-class,
quadtreePlan(),
spatialTilePlan-class,
tilePlan,
tilePlan-class