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Class: VectorTileImageryProvider ​

支持小数据量的 geojson、shapefile 文件矢量动态切片，实现贴地

Table of contents ​

Constructors ​

Properties ​

Accessors ​

Methods ​

Constructors ​

constructor ​

• new VectorTileImageryProvider(options): VectorTileImageryProvider

支持小数据量的 geojson、shapefile 文件矢量动态切片，实现贴地

Parameters

NameTypeDescription
optionsVectorTileImageryProviderOptions初始化参数

Returns

VectorTileImageryProvider

Defined in

src/layers/VectorTileImageryProvider/index.ts:247

Properties ​

instanceCount ​

▪ Static instanceCount: number = 0

Defined in

src/layers/VectorTileImageryProvider/index.ts:1829

_currentTaskCount ​

▪ Static _currentTaskCount: number = 0

Defined in

src/layers/VectorTileImageryProvider/index.ts:1831

_maxTaskCount ​

▪ Static _maxTaskCount: number = 3

Defined in

src/layers/VectorTileImageryProvider/index.ts:1833

State ​

▪ Static State: Object

Type declaration

NameType
READYnumber
SHPLOADINGnumber
CLIPPINGnumber
GEOJSONDRAWINGnumber
COMPELTEDnumber
LOADEDnumber

Defined in

src/layers/VectorTileImageryProvider/index.ts:1835

Accessors ​

styleFilter ​

• get styleFilter(): (...args: any) => void

样式函数

Returns

fn

▸ (...args): void

Parameters
NameType
...argsany
Returns

void

Memberof

VectorTileImageryProvider

Defined in

src/layers/VectorTileImageryProvider/index.ts:1666

• set styleFilter(value): void

Parameters

NameType
value(...args: any) => void

Returns

void

Defined in

src/layers/VectorTileImageryProvider/index.ts:1670

defaultStyle ​

• get defaultStyle(): VectorStyle

默认渲染样式

Returns

VectorStyle

Memberof

VectorTileImageryProvider

Defined in

src/layers/VectorTileImageryProvider/index.ts:1680

proxy ​

• get proxy(): any

获取代理信息

Returns

any

Memberof

VectorTileImageryProvider

Defined in

src/layers/VectorTileImageryProvider/index.ts:1691

tileWidth ​

• get tileWidth(): number

瓦片宽度

Returns

number

Memberof

VectorTileImageryProvider

Defined in

src/layers/VectorTileImageryProvider/index.ts:1701

tileHeight ​

• get tileHeight(): number

瓦片高度

Returns

number

Memberof

VectorTileImageryProvider

Defined in

src/layers/VectorTileImageryProvider/index.ts:1711

maximumLevel ​

• get maximumLevel(): number

获取可请求的最大级别详细信息

Returns

number

Memberof

VectorTileImageryProvider

Defined in

src/layers/VectorTileImageryProvider/index.ts:1721

minimumLevel ​

• get minimumLevel(): number

获取可请求的最小级别详细信息

Returns

number

Memberof

VectorTileImageryProvider

Defined in

src/layers/VectorTileImageryProvider/index.ts:1731

tilingScheme ​

• get tilingScheme(): GeographicTilingScheme

获取此提供程序使用的平铺方案

Returns

GeographicTilingScheme

Memberof

VectorTileImageryProvider

Defined in

src/layers/VectorTileImageryProvider/index.ts:1741

rectangle ​

• get rectangle(): Rectangle

以弧度表示此实例提供的影像的矩形

Returns

Rectangle

Memberof

VectorTileImageryProvider

Defined in

src/layers/VectorTileImageryProvider/index.ts:1751

tileDiscardPolicy ​

• get tileDiscardPolicy(): TileDiscardPolicy

获取瓷砖丢弃策略。如果没有定义，丢弃策略将负责通过其 ThisdDishardImage 函数 过滤掉“丢失的”瓷砖。如果此函数返回未定义的值，则不会过滤任何瓷砖

Returns

TileDiscardPolicy

Memberof

VectorTileImageryProvider

Defined in

src/layers/VectorTileImageryProvider/index.ts:1763

errorEvent ​

• get errorEvent(): Event<(...args: any[]) => void>

获取图像提供程序遇到异步错误时引发的事件。通过订阅对于该事件，您将被通知错误， 并可能从该错误中恢复。事件侦听器传递了一个 TileProviderError 实例.

Returns

Event<(...args: any[]) => void>

Memberof

VectorTileImageryProvider

Defined in

src/layers/VectorTileImageryProvider/index.ts:1774

featuresPicked ​

• get featuresPicked(): Event<(...args: any[]) => void>

要素查询有结果时，即要素被点击时触发该事件

Returns

Event<(...args: any[]) => void>

Memberof

VectorTileImageryProvider

Defined in

src/layers/VectorTileImageryProvider/index.ts:1784

ready ​

• get ready(): boolean

获取指示提供程序是否已准备好使用的值

Returns

boolean

Memberof

VectorTileImageryProvider

Defined in

src/layers/VectorTileImageryProvider/index.ts:1794

readyPromise ​

• get readyPromise(): Promise<unknown>

取得当提供者准备使用时解析为 true 的 Promise

Returns

Promise<unknown>

Memberof

VectorTileImageryProvider

Defined in

src/layers/VectorTileImageryProvider/index.ts:1804

credit ​

• get credit(): string

获取授权相关信息

Returns

string

Memberof

VectorTileImageryProvider

Defined in

src/layers/VectorTileImageryProvider/index.ts:1815

hasAlphaChannel ​

• get hasAlphaChannel(): boolean

是否支持 alpha 通道

Returns

boolean

Memberof

VectorTileImageryProvider

Defined in

src/layers/VectorTileImageryProvider/index.ts:1825

Methods ​

pointIsCrossTile ​

▸ pointIsCrossTile(context, tileBBox, pointFeature, outDrawBBox): boolean

判断点和绘制符号后的矩形区域是否跨瓦片

Parameters

NameType
contextObject
context.canvasObject
context.canvas.widthnumber
context.canvas.heightnumber
tileBBoxnumber[]
pointFeatureObject
pointFeature.propertiesObject
pointFeature.properties.symbolany
pointFeature.geometryObject
pointFeature.geometry.coordinatesany
outDrawBBoxany[]

Returns

boolean

Defined in

src/layers/VectorTileImageryProvider/index.ts:1146

requestImageSync ​

▸ requestImageSync(x, y, level): any

同步导出瓦片

Parameters

NameType
xnumber
ynumber
levelnumber

Returns

any

Defined in

src/layers/VectorTileImageryProvider/index.ts:1198

clearCache ​

▸ clearCache(): void

清除缓存瓦片

Returns

void

Defined in

src/layers/VectorTileImageryProvider/index.ts:1323

requestImage ​

▸ requestImage(x, y, level, _distance): any

请求指定的瓦片. 此函数不应该在 VectorTileImageryProvider.ready 返回 true 之前调用.

Parameters

NameTypeDescription
xnumber瓦片行号
ynumber瓦片列号
levelnumber瓦片层级
_distanceany-

Returns

any

Defined in

src/layers/VectorTileImageryProvider/index.ts:1391

compose ​

▸ compose(vectorTileImageryProviders, rectangle, level, tileWidth, tileHeight): HTMLCanvasElement

合并图层并出图

Parameters

NameType
vectorTileImageryProvidersVectorTileImageryProvider[]
rectangleRectangle
levelnumber
tileWidthnumber
tileHeightnumber

Returns

HTMLCanvasElement

Defined in

src/layers/VectorTileImageryProvider/index.ts:1413

pickFeatures ​

▸ pickFeatures(x, y, level, longitude, latitude): any

实现 Cesium.ImageryProvidery 要素查询（拾取）接口，除了返回结果可以在 Cesium 内置的 InfoBox 显示之外，还触发 featuresPicked 事件。

Parameters

NameType
xnumber
ynumber
levelnumber
longitudenumber
latitudenumber

Returns

any

Defined in

src/layers/VectorTileImageryProvider/index.ts:1500

destroy ​

▸ destroy(): void

销毁图层

Returns

void

Defined in

src/layers/VectorTileImageryProvider/index.ts:1652