Masashi Katsumata edited this page Sep 28, 2016 · 12 revisions

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Add a TileOverlay

A Tile Overlay is a set of images which are displayed on top of the base map tiles. These tiles are displayed like the base map tiles, but you can set the opacity of the tiles.

To add a tileOverlay, call addTileOverlay() method. The map.addTileOverlay() method takes a single overlay options object literal, specifying the initial properties of the tile overlay.

The following properties are available when constructing a TileOverlay:

Field Name Type Description
tileUrlFormat String The url of the tile images. You must include <x>,<y> and <zoom> strings into the URL format.
visible Boolean false if you want to hide the ground overlay. (Default: true)
zIndex Number Specify the zIndex. (Default: 0)
tileSize Number Specify the tile image size. Values less than the equivalent of 128 points (e.g. 256 pixels on retina devices) may not perform well and are not recommended. (Default: 256)
opacity Number Specify the tile opacity from 0.0 to 1.0 (Default: 1)
  // <x>,<y> and <zoom> are replaced with values
  tileUrlFormat: "http://tile.stamen.com/watercolor/<zoom>/<x>/<y>.jpg"
}, function(tileOverlay) {
  mTileOverlay = tileOverlay;


TileOverlay Class Reference

Method Return value Description
getVisible() Boolean Return true if the tile overlay is visible.
setVisible(Boolean) void Set false if you want to hide.
getFadeIn() Boolean Get whether the tiles should fade in.
setFadeIn(Boolean) void Set whether the tiles should fade in.
getZIndex() Number Return the zIndex of the tile overlay.
setZIndex(Number) void Set the zIndex of the tile overlay.
getOpacity() Number Return the opacity of the tile overlay.
setOpacity(Number) void Set the opacity of the tile overlay.
clearTileCache() void Remove the tile cache.
remove() void Remove the tile overlay.
getMap() Map Return the map instance.