Instances of OpenLayers.Tile.UTFGrid are used to manage UTFGrids. This is an unusual tile type in that it doesn’t have a rendered image; only a ‘hit grid’ that can be used to look up feature attributes.
See the OpenLayers.Tile.UTFGrid constructor for details on constructing a new instance.
| OpenLayers. | Instances of OpenLayers.Tile.UTFGrid are used to manage UTFGrids. | 
| Constructor | |
| OpenLayers. | Constructor for a new OpenLayers.Tile.UTFGrid instance. | 
| Functions | |
| destroy | Clean up. | 
Constructor for a new OpenLayers.Tile.UTFGrid instance.
| layer | {OpenLayers.Layer} layer that the tile will go in. | 
| position | {OpenLayers.Pixel} | 
| bounds | {OpenLayers.Bounds} | 
| url | {String} Deprecated. Remove me in 3.0. | 
| size | {OpenLayers.Size} | 
| options | {Object} | 
Clean up.
destroy: function()