Method _createOrGetTileLayer

src/map-tile.js:234–274

()

    }
  }
  async _createOrGetTileLayer() {
    await this._parentEl.whenReady();
    const parentElement = this._parentEl;
    if (this.isFirst()) {
      // Create a new MapTileLayer
      this._tileLayer = mapTileLayer({
        projection: this.getMapEl().projection,
        opacity: 1,
        // used by map-link and map-layer, both have containers
        pane:
          parentElement._templatedLayer?.getContainer() ||
          parentElement._layer.getContainer(),
        zIndex: this.position
      });
      this._tileLayer.addMapTile(this);

      // Register in parent's layer registry
      parentElement._layerRegistry.set(this.position, {
        layer: this._tileLayer,
        count: 1
      });

      // add MapTileLayer to TemplatedFeaturesOrTilesLayer of the MapLink
      if (parentElement._templatedLayer?.addLayer) {
        parentElement._templatedLayer.addLayer(this._tileLayer);
      } else {
        // OR to the MapLayer's layer
        parentElement._layer.addLayer(this._tileLayer);
      }
    } else {
      // Look up the existing layer from the registry
      const entry = parentElement._layerRegistry.get(this.position);
      this._tileLayer = entry?.layer;
      if (entry) {
        entry.count++;
      }
      if (this._tileLayer) {
        this._tileLayer.addMapTile(this);
      }
    }
  }
  _calculateExtent() {
    const mapEl = this.getMapEl();