Class DefaultImageryProvider

默认地图数据供应商

Export

Date

2022.5.16

Author

lyx

Hierarchy

ImageryProvider
- DefaultImageryProvider

Index

Constructors

Properties

flipY maxZoom minZoom name subdomains token transparent url

Methods

fetchTile isReady release

Constructors

constructor

new DefaultImageryProvider(parameters): DefaultImageryProvider
Parameters
- parameters: DefaultImageryProviderParameters
Returns DefaultImageryProvider

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，腾讯等地图瓦片的坐标原点在左下角，需要反转Y坐标

Memberof

DefaultImageryProvider

`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` token

token: string

服务令牌

Memberof

DefaultImageryProvider

`Readonly` transparent

transparent: boolean

是否透明

Memberof

ImageryProvider

`Readonly` url

url: string

url地址

Memberof

DefaultImageryProvider

Methods

fetchTile

fetchTile(zoom, x, y): Promise<Texture>
获取瓦片数据
Parameters
- zoom: number
  
  瓦片缩放等级
- x: number
  
  瓦片行号
- y: number
  
  瓦片列号
Returns Promise<Texture>

Memberof
DefaultImageryProvider

Overrides ImageryProvider.fetchTile

isReady

isReady(): boolean
是否已准备好

Returns boolean

Memberof
ImageryProvider

Inherited from ImageryProvider.isReady

release

release(): void
释放接口

Returns void

Abstract

Memberof
ImageryProvider

Inherited from ImageryProvider.release