Method _updateAreaData

modules/core/Map3dSystem.js:497–533

* _updateAreaData

(entities)

   * _updateAreaData
   */
  _updateAreaData(entities) {
    const context = this.context;
    const editor = context.systems.editor;
    const graph = editor.staging.graph;
    const styles = context.systems.styles;
    const selectedIDs = context.selectedIDs();

    let areaFeatures = [];
    for (const entity of entities) {
      let gj = entity.asGeoJSON(graph);
      if (gj.type !== 'Polygon' && gj.type !== 'MultiPolygon') continue;

      const style = styles.styleMatch(entity.tags);
      const fillColor = new Color(style.fill.color).toHex();
      const strokeColor = new Color(style.stroke.color).toHex();

      const newFeature = {
        type: 'Feature',
        properties: {
          selected: selectedIDs.includes(entity.id).toString(),
          fillcolor: fillColor,
          strokecolor: strokeColor
        },
        geometry: gj
      };

      areaFeatures.push(newFeature);
    }

    const areaSource = this.maplibre.getSource('osmareas');
    if (areaSource) {
      areaSource.setData({
        type: 'FeatureCollection',
        features: areaFeatures
      });
    }
  }


  /**