Classes
Type Definitions
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Options{Object}
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Properties:
Name Type Argument Default Description attributions
module:ol/source/Source~AttributionLike <optional>
Attributions.
attributionsCollapsible
boolean <optional>
true Attributions are collapsible.
cacheSize
number <optional>
2048 Cache size.
crossOrigin
null | string <optional>
The
crossOrigin
attribute for loaded images. Note that you must provide acrossOrigin
value if you are using the WebGL renderer or if you want to access pixel data with the Canvas renderer. See https://developer.mozilla.org/en-US/docs/Web/HTML/CORS_enabled_image for more detail.opaque
boolean <optional>
true Whether the layer is opaque.
projection
module:ol/proj~ProjectionLike Projection.
reprojectionErrorThreshold
number <optional>
0.5 Maximum allowed reprojection error (in pixels). Higher values can increase reprojection performance, but decrease precision.
state
module:ol/source/State <optional>
Source state.
tileClass
Class.<module:ol/ImageTile~ImageTile> <optional>
Class used to instantiate image tiles. Default is
module:ol/ImageTile~ImageTile
.tileGrid
module:ol/tilegrid/TileGrid~TileGrid <optional>
Tile grid.
tileLoadFunction
module:ol/Tile~LoadFunction <optional>
Optional function to load a tile given a URL. The default is
function(imageTile, src) { imageTile.getImage().src = src; };
tilePixelRatio
number <optional>
1 The pixel ratio used by the tile service. For example, if the tile service advertizes 256px by 256px tiles but actually sends 512px by 512px images (for retina/hidpi devices) then
tilePixelRatio
should be set to2
.tileUrlFunction
module:ol/Tile~UrlFunction <optional>
Optional function to get tile URL given a tile coordinate and the projection.
url
string <optional>
URL template. Must include
{x}
,{y}
or{-y}
, and{z}
placeholders. A{?-?}
template pattern, for examplesubdomain{a-f}.domain.com
, may be used instead of defining each one separately in theurls
option.urls
Array.<string> <optional>
An array of URL templates.
wrapX
boolean <optional>
Whether to wrap the world horizontally. The default, is to request out-of-bounds tiles from the server. When set to
false
, only one world will be rendered. When set totrue
, tiles will be requested for one world only, but they will be wrapped horizontally to render multiple worlds.transition
number <optional>
Duration of the opacity transition for rendering. To disable the opacity transition, pass
transition: 0
.key
string <optional>
Optional tile key for proper cache fetching