GoogleEarthEnterpriseMetadata

new Cesium.GoogleEarthEnterpriseMetadata(resourceOrUrl)
engine/Source/Core/GoogleEarthEnterpriseMetadata.js 50

To construct GoogleEarthEnterpriseMetadata, call GoogleEarthEnterpriseMetadata.fromUrl. Do not call the constructor directly.
Provides metadata using the Google Earth Enterprise REST API. This is used by the GoogleEarthEnterpriseImageryProvider and GoogleEarthEnterpriseTerrainProvider to share metadata requests.
Name Type Description
resourceOrUrl Resource | string optional The url of the Google Earth Enterprise server hosting the imagery. Deprecated.
See:

Members

imageryPresent : boolean
engine/Source/Core/GoogleEarthEnterpriseMetadata.js 56

True if imagery is available.
Default Value: true

key : ArrayBuffer
engine/Source/Core/GoogleEarthEnterpriseMetadata.js 97

Key used to decode packets

negativeAltitudeExponentBias : number
engine/Source/Core/GoogleEarthEnterpriseMetadata.js 77

Exponent used to compute constant to calculate negative height values.
Default Value: 32

negativeAltitudeThreshold : number
engine/Source/Core/GoogleEarthEnterpriseMetadata.js 84

Threshold where any numbers smaller are actually negative values. They are multiplied by -2^negativeAltitudeExponentBias.
Default Value: EPSILON12

protoImagery : boolean
engine/Source/Core/GoogleEarthEnterpriseMetadata.js 63

True if imagery is sent as a protocol buffer, false if sent as plain images. If undefined we will try both.
Default Value: undefined

providers : object
engine/Source/Core/GoogleEarthEnterpriseMetadata.js 91

Dictionary of provider id to copyright strings.
Default Value: {}

readonly proxy : Proxy
engine/Source/Core/GoogleEarthEnterpriseMetadata.js 157

Gets the proxy used for metadata requests.

readonly deprecated readyPromise : Promise.<boolean>
engine/Source/Core/GoogleEarthEnterpriseMetadata.js 182

Gets a promise that resolves to true when the metadata is ready for use.

Deprecated: true

readonly resource : Resource
engine/Source/Core/GoogleEarthEnterpriseMetadata.js 169

Gets the resource used for metadata requests.

terrainPresent : boolean
engine/Source/Core/GoogleEarthEnterpriseMetadata.js 70

True if terrain is available.
Default Value: true

readonly url : string
engine/Source/Core/GoogleEarthEnterpriseMetadata.js 145

Gets the name of the Google Earth Enterprise server.

Methods

static Cesium.GoogleEarthEnterpriseMetadata.fromUrl(resourceOrUrl) → Promise.<GoogleEarthEnterpriseMetadata>
engine/Source/Core/GoogleEarthEnterpriseMetadata.js 201

Creates a metadata object using the Google Earth Enterprise REST API. This is used by the GoogleEarthEnterpriseImageryProvider and GoogleEarthEnterpriseTerrainProvider to share metadata requests.
Name Type Description
resourceOrUrl Resource | String The url of the Google Earth Enterprise server hosting the imagery.
Returns:
A promise which resolves to the created GoogleEarthEnterpriseMetadata instance/

static Cesium.GoogleEarthEnterpriseMetadata.quadKeyToTileXY(quadkey)
engine/Source/Core/GoogleEarthEnterpriseMetadata.js 285

Converts a tile's quadkey used to request an image from a Google Earth Enterprise server into the (x, y, level) position.
Name Type Description
quadkey string The tile's quad key
See:
  • GoogleEarthEnterpriseMetadata#tileXYToQuadKey

static Cesium.GoogleEarthEnterpriseMetadata.tileXYToQuadKey(x, y, level)
engine/Source/Core/GoogleEarthEnterpriseMetadata.js 245

Converts a tiles (x, y, level) position into a quadkey used to request an image from a Google Earth Enterprise 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:
  • GoogleEarthEnterpriseMetadata#quadKeyToTileXY
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