Class GeoJSONLoader

GeoJSON 加载器

Hierarchy

TileMaterialLoader
- GeoJSONLoader

Index

Constructors

Properties

Accessors

Methods

createMaterial doLoad load loadJSON

Constructors

constructor

new GeoJSONLoader(): GeoJSONLoader
构造函数

Returns GeoJSONLoader
Overrides TileMaterialLoader.constructor
- Defined in packages/plugin/src/geojsonLoader/GeoJSONLoader.ts:46

Properties

`Readonly`dataType

dataType: "geojson"

数据类型标识

info

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

Accessors

material

get material(): ITileMaterial
取得默认材质

Returns ITileMaterial
Inherited from ContourLoader.material
- Defined in packages/lib/dist/index.d.ts:1164
set material(value: ITileMaterial): void
设置默认材质
Parameters
- value: ITileMaterial
Returns void
Inherited from ContourLoader.material
- Defined in packages/lib/dist/index.d.ts:1166

Methods

createMaterial

createMaterial(_params: TileSourceLoadParamsType): ITileMaterial
Create material
Parameters
- _params: TileSourceLoadParamsType
Returns ITileMaterial
the material of tile
Inherited from TileMaterialLoader.createMaterial
- Defined in packages/lib/dist/index.d.ts:1178

`Protected`doLoad

doLoad(
url: string,
params: TileLoadClipParamsType<GeoJSONSource>,
): Promise<Texture>
异步加载瓦片纹理,该方法在瓦片创建后被调用
Parameters
- url: string
  GeoJSON的URL地址
- params: TileLoadClipParamsType<GeoJSONSource>
  加载参数，包括数据源、瓦片坐标等
Returns Promise<Texture>
瓦片纹理
Overrides TileMaterialLoader.doLoad
- Defined in packages/plugin/src/geojsonLoader/GeoJSONLoader.ts:58

load

load(params: TileSourceLoadParamsType): Promise<ITileMaterial>
Load tile material from source
Parameters
- params: TileSourceLoadParamsType
Returns Promise<ITileMaterial>
Inherited from TileMaterialLoader.load
- Defined in packages/lib/dist/index.d.ts:1173

`Protected`loadJSON

loadJSON(url: string): Promise<GeoJSONVT>
异步加载 JSON 文件，创建 geojson-vt 实例返回。
Parameters
- url: string
  JSON 文件的 URL 地址
Returns Promise<GeoJSONVT>
返回 geojsonvt 实例
- Defined in packages/plugin/src/geojsonLoader/GeoJSONLoader.ts:88