Method setVisibility

src/mapboxgl/overlay/FGBLayer.js:152–155

* @function FGBLayer.prototype.setVisibility * @description 设置图层的显隐

(visibility)

    * @description 设置图层的显隐
  */
  setVisibility(visibility) {
    const visible = visibility ? 'visible': 'none';
    this.map.setLayoutProperty(this.layerId, 'visibility', visible);
  }

  async _handleFeatures(bounds) {
    let iter = await this.renderer._loadData(bounds);