 
   "mapper/1d/categorical_mapper",
   "mapper/1d/linear_mapper",
+  "mapper/1d/log_mapper"
   "mapper/2d/grid_mapper",
   "mapper/color/linear_color_mapper",
 

  "ticking/adaptive_ticker",
  "ticking/basic_tick_formatter",
  "ticking/basic_ticker",
  "ticking/categorical_tick_formatter",
  "ticking/categorical_ticker",
  "ticking/composite_ticker",

  "renderer/guide/datetime_axis",
  "renderer/guide/grid",
  "renderer/guide/linear_axis",
  "renderer/guide/log_axis",
  "renderer/overlay/box_selection",

  "source/column_data_source",
