Global - Cesium Documentation

# Global

### Members

#### clockTrackedDataSource :DataSource

  Gets or sets the data source to track with the viewer's clock.
  Source: Widgets/Viewer/Viewer.js, line 1031

#### readonlyenablePickFeatures :Boolean

  Gets a value indicating whether feature picking is enabled. If true, `ArcGisMapServerImageryProvider#pickFeatures` will invoke the "identify" operation on the ArcGIS server and return the features included in the response. If false, `ArcGisMapServerImageryProvider#pickFeatures` will immediately return undefined (indicating no pickable features) without communicating with the server.
  Default Value: `true`
  Source: Scene/ArcGisMapServerImageryProvider.js, line 536

#### layers :String

  Gets the comma-separated list of layer IDs to show.
  Source: Scene/ArcGisMapServerImageryProvider.js, line 521

#### readonlypickFeaturesUrl :String

  Gets the URL template to use to use to pick features. If this property is not specified, {@see UrlTemplateImageryProvider#pickFeatures} will immediately returned undefined, indicating no features picked. The URL template supports all of the keywords supported by the {@see UrlTemplateImageryProvider#url} property, plus the following:
  - `{i}`: The pixel column (horizontal coordinate) of the picked position, where the Westernmost pixel is 0.
  - `{j}`: The pixel row (vertical coordinate) of the picked position, where the Northernmost pixel is 0.
  - `{reverseI}`: The pixel column (horizontal coordinate) of the picked position, where the Easternmost pixel is 0.
  - `{reverseJ}`: The pixel row (vertical coordinate) of the picked position, where the Southernmost pixel is 0.
  - `{longitudeDegrees}`: The longitude of the picked position in degrees.
  - `{latitudeDegrees}`: The latitude of the picked position in degrees.
  - `{longitudeProjected}`: The longitude of the picked position in the projected coordinates of the tiling scheme.
  - `{latitudeProjected}`: The latitude of the picked position in the projected coordinates of the tiling scheme.
  - `{format}`: The format in which to get feature information, as specified in the {@see GetFeatureInfoFormat}.
  Source: Scene/UrlTemplateImageryProvider.js, line 244

#### readonlypickPositionSupported :Boolean

  Returns true if the pickPosition function is supported.
  Source: Scene/Scene.js, line 601