GoogleEarthEnterpriseMetadata
查阅Mars3D API

new Cesium.GoogleEarthEnterpriseMetadata()
engine/Source/Core/GoogleEarthEnterpriseMetadata.js 47

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.
参考:

成员(属性)

imageryPresent : boolean
engine/Source/Core/GoogleEarthEnterpriseMetadata.js 53

True if imagery is available.
默认值: true

key : ArrayBuffer
engine/Source/Core/GoogleEarthEnterpriseMetadata.js 94

Key used to decode packets

negativeAltitudeExponentBias : number
engine/Source/Core/GoogleEarthEnterpriseMetadata.js 74

Exponent used to compute constant to calculate negative height values.
默认值: 32

negativeAltitudeThreshold : number
engine/Source/Core/GoogleEarthEnterpriseMetadata.js 81

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

protoImagery : boolean|undefined
engine/Source/Core/GoogleEarthEnterpriseMetadata.js 60

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

providers : object
engine/Source/Core/GoogleEarthEnterpriseMetadata.js 88

Dictionary of provider id to copyright strings.
默认值: {}

readonly proxy : Proxy
engine/Source/Core/GoogleEarthEnterpriseMetadata.js 121

Gets the proxy used for metadata requests.

readonly resource : Resource
engine/Source/Core/GoogleEarthEnterpriseMetadata.js 133

Gets the resource used for metadata requests.

terrainPresent : boolean
engine/Source/Core/GoogleEarthEnterpriseMetadata.js 67

True if terrain is available.
默认值: true

readonly url : string
engine/Source/Core/GoogleEarthEnterpriseMetadata.js 109

Gets the name of the Google Earth Enterprise server.

方法

static Cesium.GoogleEarthEnterpriseMetadata.fromUrl(resourceOrUrl) → Promise.<GoogleEarthEnterpriseMetadata>
engine/Source/Core/GoogleEarthEnterpriseMetadata.js 148

Creates a metadata object using the Google Earth Enterprise REST API. This is used by the GoogleEarthEnterpriseImageryProvider and GoogleEarthEnterpriseTerrainProvider to share metadata requests.
参数名称 类型 描述信息
resourceOrUrl Resource | String The url of the Google Earth Enterprise server hosting the imagery.
返回值:
A promise which resolves to the created GoogleEarthEnterpriseMetadata instance/

static Cesium.GoogleEarthEnterpriseMetadata.quadKeyToTileXY(quadkey)
engine/Source/Core/GoogleEarthEnterpriseMetadata.js 232

Converts a tile's quadkey used to request an image from a Google Earth Enterprise server into the (x, y, level) position.
参数名称 类型 描述信息
quadkey string The tile's quad key
参考:
  • GoogleEarthEnterpriseMetadata#tileXYToQuadKey

static Cesium.GoogleEarthEnterpriseMetadata.tileXYToQuadKey(x, y, level)
engine/Source/Core/GoogleEarthEnterpriseMetadata.js 192

Converts a tiles (x, y, level) position into a quadkey used to request an image from a Google Earth Enterprise server.
参数名称 类型 描述信息
x number The tile's x coordinate.
y number The tile's y coordinate.
level number The tile's zoom level.
参考:
  • GoogleEarthEnterpriseMetadata#quadKeyToTileXY
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