天地图瓦片切换增加淡入淡出效果

YANGDL

2021-03-08 47af46140c4ca30488030e93d20a1965b2c848a2

天地图瓦片切换增加淡入淡出效果

 src/components/helpers/BasemapHelper.js

@@ -53,23 +53,15 @@
     */
    showBasemap = (code, showAnnotation, isHideOthers = true) => {
      const basemap = this.basemapMap.get(code)

      if (isHideOthers) {
        this.basemapLayerGroup.clearLayers()
      }
      setTimeout(() => {
        // const layer = this.basemapLayerGroup.hasLayer(basemap.layer)
        // if (!layer) {
        this.basemapLayerGroup.addLayer(basemap.layer)
        // }

        if (showAnnotation) {
          // if()
          this.basemapLayerGroup.addLayer(basemap.annotation)
        } else {
          this.basemapLayerGroup.removeLayer(basemap.annotation)
        }
      }, 300)
    }

    /**