OpenLayers.Tile
initializeʼ
unloadж
destroy
clone¡
drawƬ
moveToƶ
clearƬϢʵ
getBoundsFromBaseLayer
startTransitionʼЧ麯ʵ
resetBackBufferñƬ
showTileʾƬ
showʾƬ麯ʵ
hideƬ麯ʵ

