 'blue'}),
              stroke: new ol.style.Stroke({
                color: 'white',
                width: 2
              })
            })
          });
          return [style];
        }
      });

      var faces = new ol.source.Vector({wrapX: false});
      var facesLayer = new ol.layer.Vector({
        source: faces,
        style: function(f) {
          var style = new ol.style.Style({
            stroke: new ol.style.Stroke({
              color: 'black',
              width: 1
            }),
