code: function(n, invert) {
          var data = n.data, config = this.config;
          var siblingOffset = config.siblingOffset;
          var s = (config.multitree 
          		&& ('$orn' in data) 
          		&& data.$orn) || config.orientation;
          var w = n.getData('width') + siblingOffset;
          var h = n.getData('height') + siblingOffset;
          if(!invert)
              return this.dispatch(s, h, w);
          else
              return this.dispatch(s, w, h);
      }
docs: /*
  Returns label height or with, depending on the tree current orientation.