KBE3D / KBCore / Cesium / GoogleEarthEnterpriseMetadata

类: GoogleEarthEnterpriseMetadata

<div class="notice"> To construct GoogleEarthEnterpriseMetadata, call GoogleEarthEnterpriseMetadata.fromUrl. Do not call the constructor directly. </div>

Provides metadata using the Google Earth Enterprise REST API. This is used by the GoogleEarthEnterpriseImageryProvider and GoogleEarthEnterpriseTerrainProvider to share metadata requests.

构造函数

构造函数

new GoogleEarthEnterpriseMetadata(): GoogleEarthEnterpriseMetadata

返回

GoogleEarthEnterpriseMetadata

属性

imageryPresent

imageryPresent: boolean

True if imagery is available.

---

protoImagery

protoImagery: boolean | undefined

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

---

terrainPresent

terrainPresent: boolean

True if terrain is available.

---

negativeAltitudeExponentBias

negativeAltitudeExponentBias: number

Exponent used to compute constant to calculate negative height values.

---

negativeAltitudeThreshold

negativeAltitudeThreshold: number

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

---

providers

providers: any

Dictionary of provider id to copyright strings.

---

key

key: ArrayBuffer

Key used to decode packets

---

url

readonly url: string

Gets the name of the Google Earth Enterprise server.

---

proxy

readonly proxy: Proxy

Gets the proxy used for metadata requests.

---

resource

readonly resource: Resource

Gets the resource used for metadata requests.

方法

fromUrl()

static fromUrl(resourceOrUrl: string | Resource): Promise<GoogleEarthEnterpriseMetadata>

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

resourceOrUrl

The url of the Google Earth Enterprise server hosting the imagery.

string | Resource

返回

Promise<GoogleEarthEnterpriseMetadata>

A promise which resolves to the created GoogleEarthEnterpriseMetadata instance/

---

tileXYToQuadKey()

static tileXYToQuadKey(x: number, y: number, level: number): void

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

参数

x

number

The tile's x coordinate.

y

number

The tile's y coordinate.

level

number

The tile's zoom level.

返回

void

---

quadKeyToTileXY()

static quadKeyToTileXY(quadkey: string): void

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

参数

quadkey

string

The tile's quad key

返回

void