Method _createMap

src/common/mapping/WebMapV3.js:269–312

* @private * @function WebMapV3.prototype._createMap * @description 创建地图。

()

   * @description 创建地图。
   */
  _createMap() {
    let {
      name = '',
      center = new mapRepo.LngLat(0, 0),
      zoom = 0,
      bearing = 0,
      pitch = 0,
      minzoom,
      maxzoom,
      sprite = ''
    } = this._mapInfo;
    center = this.mapOptions.center || center;
    zoom = this.mapOptions.zoom || zoom;
    bearing = this.mapOptions.bearing || bearing;
    pitch = this.mapOptions.pitch || pitch;
    const fontFamilys = this._getLabelFontFamily();
    // 初始化 map
    const mapOptions = {
      ...this.mapOptions,
      transformRequest: this._getTransformRequest(),
      container: this.options.target,
      crs: this._baseProjection,
      center,
      zoom,
      style: {
        sprite,
        name,
        version: 8,
        sources: {},
        layers: []
      },
      minZoom: minzoom,
      maxZoom: maxzoom,
      bearing,
      pitch,
      localIdeographFontFamily: fontFamilys || ''
    };
    this.map = new MapManager(mapOptions);
    this._sprite = sprite;
    this.fire('mapinitialized', { map: this.map });
    this.map.on('load', () => {
      this._initLayers();
    });
  }

  _getTransformRequest() {
    if (this.mapOptions.transformRequest) {