Class TerrainLercLoader

ArcGis-Lerc 格式瓦片几何体加载器

Link

https://github.com/Esri/lerc

Hierarchy (View Summary)

TileGeometryLoader
- TerrainLercLoader

Index

Constructors

Properties

Methods

Constructors

constructor

new TerrainLercLoader(): TerrainLercLoader
Returns TerrainLercLoader
Overrides TileGeometryLoader.constructor
- Defined in packages/lib/src/loader/terrainLercLoader/TerrainLercLoader.ts:32

Properties

`Readonly`dataType

dataType: "lerc"

数据类型标记

`Readonly`info

info: { description: string; version: string } = ...

加载器信息

Methods

`Protected`doLoad

doLoad(url: string, params: TileLoadClipParamsType): Promise<TileGeometry>
异步加载并解析 Lerc 数据，返回 TileGeometry 对象
Parameters
- url: string
  数据文件 URL
- params: TileLoadClipParamsType
  加载参数，包含瓦片坐标和裁剪边界
Returns Promise<TileGeometry>
解析后的 TileGeometry 对象
Overrides TileGeometryLoader.doLoad
- Defined in packages/lib/src/loader/terrainLercLoader/TerrainLercLoader.ts:47

load

load(params: TileSourceLoadParamsType): Promise<TileGeometry>
从数据源加载瓦片几何体数据
Parameters
- params: TileSourceLoadParamsType
  瓦片加载参数（数据源、坐标、范围等）
Returns Promise<TileGeometry>
瓦片几何体
Inherited from TileGeometryLoader.load
- Defined in packages/lib/src/loader/TileGeometryLoader.ts:29