Method _setGraticuleDash

src/common/mapping/WebMapV2.js:687–700

(strokeStyle, graticuleLayers)

    }

    _setGraticuleDash(strokeStyle, graticuleLayers) {
      this.map.on('zoomend', () => {
        if (this.map.getZoom() < 3) {
          graticuleLayers.setStrokeStyle({
            ...strokeStyle,
            lineOpacity: 0.5,
            lineWidth: strokeStyle.lineWidth / 2,
            lindDasharray: [0.1, 3]
          });
        } else {
          graticuleLayers.setStrokeStyle(strokeStyle);
        }
      });
    }

    _createTiandituLayer(mapInfo, addedCallback) {
      const tiandituUrls = this._getTiandituUrl(mapInfo);