Class OpenLayerVectorProvider

OpenLayer矢量数据供应商

Export

Date

2023.8.4

Author

lyx

Note

参考Giro3D矢量瓦片实现 https://gitlab.com/giro3d/giro3ds

Hierarchy

ImageryProvider
- OpenLayerVectorProvider

Index

Constructors

Properties

flipY maxZoom minZoom name subdomains transparent

Methods

fetchTile isReady release

Constructors

constructor

new OpenLayerVectorProvider(parameters): OpenLayerVectorProvider
Parameters
- parameters: OpenLayerVectorProviderParameters
Returns OpenLayerVectorProvider

Overrides ImageryProvider.constructor

Properties

`Readonly` flipY

flipY: boolean

是否反转Y，大部分瓦片坐标原点在左上角，某些地图瓦片的坐标原点在左下角，需要反转Y坐标

Memberof

OpenLayerVectorProvider

`Readonly` maxZoom

maxZoom: number

最大缩放等级

Memberof

ImageryProvider

`Readonly` minZoom

minZoom: number

最小缩放等级

Memberof

ImageryProvider

`Readonly` name

name: string

名称

Memberof

ImageryProvider

`Readonly` subdomains

subdomains: string[]

子域名数组

Memberof

ImageryProvider

`Readonly` transparent

transparent: boolean

是否透明

Memberof

ImageryProvider

Methods

fetchTile

fetchTile(zoom, x, y): Promise<Texture>
请求瓦片数据
Parameters
- zoom: number
- x: number
- y: number
Returns Promise<Texture>

Memberof
OpenLayerVectorProvider

Overrides ImageryProvider.fetchTile

isReady

isReady(): boolean
Returns boolean

Memberof
OpenLayerVectorProvider

Overrides ImageryProvider.isReady

release

release(): void
释放接口

Returns void

Abstract

Memberof
ImageryProvider

Inherited from ImageryProvider.release