# BingMapsImageryProvider

#### new Cesium.BingMapsImageryProvider(options)
engine/Source/Scene/BingMapsImageryProvider.js 207

To construct a BingMapsImageryProvider, call `BingMapsImageryProvider.fromUrl`. Do not call the constructor directly.
Provides tiled imagery using the Bing Maps Imagery REST API.

Name | Type | Description
--- | --- | ---
`options` | BingMapsImageryProvider.ConstructorOptions | Object describing initialization options

##### Example:

    const bing = await Cesium.BingMapsImageryProvider.fromUrl(
      "https://dev.virtualearth.net", {
        key: "get-yours-at-https://www.bingmapsportal.com/",
        mapStyle: Cesium.BingMapsStyle.AERIAL
    });

##### See:

- BingMapsImageryProvider.fromUrl
- ArcGisMapServerImageryProvider
- GoogleEarthEnterpriseMapsProvider
- OpenStreetMapImageryProvider
- SingleTileImageryProvider
- TileMapServiceImageryProvider
- WebMapServiceImageryProvider
- WebMapTileServiceImageryProvider
- UrlTemplateImageryProvider
- Bing Maps REST Services
- Cross-Origin Resource Sharing

### Members

#### static Cesium.BingMapsImageryProvider.logoUrl : string
engine/Source/Scene/BingMapsImageryProvider.js 682

Gets or sets the URL to the Bing logo for display in the credit.

#### readonly credit : Credit
engine/Source/Scene/BingMapsImageryProvider.js 434

Gets the credit to display when this imagery provider is active. Typically this is used to credit the source of the imagery.

#### readonly culture : string
engine/Source/Scene/BingMapsImageryProvider.js 321

The culture to use when requesting Bing Maps imagery. Not all cultures are supported. See http://msdn.microsoft.com/en-us/library/hh441729.aspx for information on the supported cultures.

#### readonly errorEvent : Event
engine/Source/Scene/BingMapsImageryProvider.js 421

Gets an event that is raised when the imagery provider encounters an asynchronous error. By subscribing to the event, you will be notified of the error and can potentially recover from it. Event listeners are passed an instance of `TileProviderError`.

#### readonly hasAlphaChannel : boolean
engine/Source/Scene/BingMapsImageryProvider.js 450

Gets a value indicating whether or not the images provided by this imagery provider include an alpha channel. If this property is false, an alpha channel, if present, will be ignored. If this property is true, any images without an alpha channel will be treated as if their alpha is 1.0 everywhere. Setting this property to false reduces memory usage and texture upload time.

#### readonly key : string
engine/Source/Scene/BingMapsImageryProvider.js 283

Gets the Bing Maps key.

#### readonly mapLayer : string
engine/Source/Scene/BingMapsImageryProvider.js 307

Gets the additional map layer options as defined in https://learn.microsoft.com/en-us/bingmaps/rest-services/imagery/get-imagery-metadata#template-parameters/

#### readonly mapStyle : BingMapsStyle
engine/Source/Scene/BingMapsImageryProvider.js 295

Gets the type of Bing Maps imagery to load.

#### readonly maximumLevel : number|undefined
engine/Source/Scene/BingMapsImageryProvider.js 357

Gets the maximum level-of-detail that can be requested.

#### readonly minimumLevel : number
engine/Source/Scene/BingMapsImageryProvider.js 369

Gets the minimum level-of-detail that can be requested.

#### readonly proxy : Proxy
engine/Source/Scene/BingMapsImageryProvider.js 271

Gets the proxy used by this provider.

#### readonly rectangle : Rectangle
engine/Source/Scene/BingMapsImageryProvider.js 393

Gets the rectangle, in radians, of the imagery provided by this instance.

#### readonly tileDiscardPolicy : TileDiscardPolicy
engine/Source/Scene/BingMapsImageryProvider.js 407

Gets the tile discard policy. If not undefined, the discard policy is responsible for filtering out "missing" tiles via its shouldDiscardImage function. If this function returns undefined, no tiles are filtered.

#### readonly tileHeight : number
engine/Source/Scene/BingMapsImageryProvider.js 345

Gets the height of each tile, in pixels.

#### readonly tileWidth : number
engine/Source/Scene/BingMapsImageryProvider.js 333

Gets the width of each tile, in pixels.

#### readonly tilingScheme : TilingScheme
engine/Source/Scene/BingMapsImageryProvider.js 381

Gets the tiling scheme used by this provider.

#### readonly url : string
engine/Source/Scene/BingMapsImageryProvider.js 259

Gets the name of the BingMaps server url hosting the imagery.

### Methods

#### static Cesium.BingMapsImageryProvider.fromUrl(url, options) → Promise.<BingMapsImageryProvider>
engine/Source/Scene/BingMapsImageryProvider.js 473

Creates an `ImageryProvider` which provides tiled imagery using the Bing Maps Imagery REST API.

Name | Type | Description
--- | --- | ---
`url` | Resource | string | The url of the Bing Maps server hosting the imagery.
`options` | BingMapsImageryProvider.ConstructorOptions | Object describing initialization options

##### Returns:

A promise that resolves to the created BingMapsImageryProvider

##### Throws:

- RuntimeError : metadata does not specify one resource in resourceSets

##### Example:

    const bing = await Cesium.BingMapsImageryProvider.fromUrl(
      "https://dev.virtualearth.net", {
        key: "get-yours-at-https://www.bingmapsportal.com/",
        mapStyle: Cesium.BingMapsStyle.AERIAL
    });

#### static Cesium.BingMapsImageryProvider.quadKeyToTileXY(quadkey)
engine/Source/Scene/BingMapsImageryProvider.js 651

Converts a tile's quadkey used to request an image from a Bing Maps server into the (x, y, level) position.

Name | Type | Description
--- | --- | ---
`quadkey` | string | The tile's quad key

##### See:

- Bing Maps Tile System
- BingMapsImageryProvider#tileXYToQuadKey

#### static Cesium.BingMapsImageryProvider.tileXYToQuadKey(x, y, level)
engine/Source/Scene/BingMapsImageryProvider.js 623

Converts a tiles (x, y, level) position into a quadkey used to request an image from a Bing Maps server.

Name | Type | Description
--- | --- | ---
`x` | number | The tile's x coordinate.
`y` | number | The tile's y coordinate.
`level` | number | The tile's zoom level.

##### See:

- Bing Maps Tile System
- BingMapsImageryProvider#quadKeyToTileXY

#### getTileCredits(x, y, level) → Array.<Credit>
engine/Source/Scene/BingMapsImageryProvider.js 539

Gets the credits to be displayed when a given tile is displayed.

Name | Type | Description
--- | --- | ---
`x` | number | The tile X coordinate.
`y` | number | The tile Y coordinate.
`level` | number | The tile level;

##### Returns:

The credits to be displayed when the tile is displayed.

#### pickFeatures(x, y, level, longitude, latitude) → undefined
engine/Source/Scene/BingMapsImageryProvider.js 602

Picking features is not currently supported by this imagery provider, so this function simply returns undefined.

Name | Type | Description
--- | --- | ---
`x` | number | The tile X coordinate.
`y` | number | The tile Y coordinate.
`level` | number | The tile level.
`longitude` | number | The longitude at which to pick features.
`latitude` | number | The latitude at which to pick features.

##### Returns:

Undefined since picking is not supported.

#### requestImage(x, y, level, request) → Promise.<ImageryTypes>|undefined
engine/Source/Scene/BingMapsImageryProvider.js 565

Requests the image for a given tile.

Name | Type | Description
--- | --- | ---
`x` | number | The tile X coordinate.
`y` | number | The tile Y coordinate.
`level` | number | The tile level.
`request` | Request | optional The request object. Intended for internal use only.

##### Returns:

A promise for the image that will resolve when the image is available, or undefined if there are too many active requests to the server, and the request should be retried later.

### Type Definitions

#### Cesium.BingMapsImageryProvider.ConstructorOptions
engine/Source/Scene/BingMapsImageryProvider.js 17

Initialization options for the BingMapsImageryProvider constructor

##### Properties:

Name | Type | Attributes | Default | Description
--- | --- | --- | --- | ---
`key` | string | <optional> |  | The Bing Maps key for your application, which can be created at https://www.bingmapsportal.com/.
`tileProtocol` | string | <optional> |  | The protocol to use when loading tiles, e.g. 'http' or 'https'. By default, tiles are loaded using the same protocol as the page.
`mapStyle` | BingMapsStyle | <optional> | BingMapsStyle.AERIAL | The type of Bing Maps imagery to load.
`mapLayer` | string | <optional> |  | Additional display layer options as defined on https://learn.microsoft.com/en-us/bingmaps/rest-services/imagery/get-imagery-metadata#template-parameters
`culture` | string | <optional> | '' | The culture to use when requesting Bing Maps imagery. Not all cultures are supported. See http://msdn.microsoft.com/en-us/library/hh441729.aspx for information on the supported cultures.
`ellipsoid` | Ellipsoid | <optional> | Ellipsoid.default | The ellipsoid. If not specified, the default ellipsoid is used.
`tileDiscardPolicy` | TileDiscardPolicy | <optional> |  | The policy that determines if a tile is invalid and should be discarded. By default, a `DiscardEmptyTileImagePolicy` will be used, with the expectation that the Bing Maps server will send a zero-length response for missing tiles. To ensure that no tiles are discarded, construct and pass a `NeverTileDiscardPolicy` for this parameter.

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