Class Source

packages/source/src/source.ts:31–356

}
//
export default class Source extends EventEmitter implements ISource {
  public type: string = 'source';
  public isTile: boolean = false;
  public inited: boolean = false;
  public data: IParserData;
  public center: [number, number];
  // 数据范围
  public extent: BBox;
  // 生命周期钩子
  public hooks = {
    init: new SyncHook(),
  };
  public getSourceCfg() {
    return this.cfg;
  }
  public parser: IParserCfg | ITileParserCFG = { type: 'geojson' };
  public transforms: ITransform[] = [];
  public cluster: boolean = false;
  public clusterOptions: Partial<IClusterOptions> = {
    enable: false,
    radius: 40,
    maxZoom: 20,
    zoom: -99,
    method: 'count',
  };

  // 瓦片数据管理器
  public tileset: TilesetManager | undefined;
  // 是否有效范围
  private invalidExtent: boolean = false;

  private dataArrayChanged: boolean = false;

  // 原始数据
  protected originData: any;
  protected rawData: any;
  private cfg: Partial<ISourceCFG> = {
    autoRender: true,
  };

  private clusterIndex: Supercluster;

  constructor(data: any | ISource, cfg?: ISourceCFG) {
    super();
    // this.rawData = cloneDeep(data);
    this.originData = data;
    this.initCfg(cfg);

    this.init().then(() => {
      this.inited = true;
      this.emit('update', {
        type: 'inited',
      });
    });
  }

  public getClusters(zoom: number): any {
    return this.clusterIndex.getClusters(this.caculClusterExtent(2), zoom);