   }
 
   @internal {
-    layout_location: [ p.Any ]
+    panel_side: [ p.Any ]
   }
 
   initialize: (attrs, options)->

    [sx, sy] = @plot_view.map_to_screen(x, y, @_x_range_name, @_y_range_name)
    [nx, ny] = @mget('normals')
    [xoff, yoff]  = @mget('offsets')
    side = @mget('layout_location')
    orient = 'parallel'
    angle = _angle_lookup[side][orient]
    standoff = (@_tick_extent() + @_tick_label_extent() + @mget('axis_label_standoff'))

  _axis_label_extent: () ->
    extent = 0

    side = @mget('panel_side')
    axis_label = @mget('axis_label')
    orient = 'parallel'
    ctx = @plot_view.canvas_view.ctx
