OpenLayers.Layer     

initializeDivע¼     

destroyע     

clone¡ǰ     

setNameòname     

addOptionsӸ     

onMapResize麯Ӻʵ֡     

redrawػ     

moveToƶδʵ嶯     

setMapòĵͼ     

removeMapƳͼ麯Ӻʵ     

getImageSizeͼƬߴ     

setTileSizeƬߴͼƬߴ     

getVisibilityزɼ     

setVisibilityòĿɼ     

displayʾز     

calculateInRangeֱǷڵͼֱɷΧ     

setIsBaseLayerûȡòΪBaseLayer     

initResolutionsʼֱ     

getResolutionȡǰֱ     

getExtentȡͼǰΧ     

getZoomForExtentɳߴ緶Χż     

getDataExtentȡķΧ߽磬麯Ӻʵ     

getResolutionForZoomż÷ֱ     

getZoomForResolutionɷֱʵż     

getLonLatFromViewPortPxӿתγ     

getViewPortPxFromLonLatγתӿ     

setOpacityò͸ȣӽڵ㣬ͼƬ     

setZIndexòzֵ     

adjustBounds߽У     

