Hi David,
> Is there something that simply displays the color mapping of a ScalarMap
> to Display.RGB. The tutorial has examples of the LabeledColorWidget, but
> that seems to be slightly more than necessary. I do not need the ability
> to edit the color map like the LabeledColorWidget allows.
You can create a FlatField with a "wedge" of values and
link it to your Display, prefereably at some location
where it is out of the way. There is an example of this
in visad/bio/MultiLUT.java - see 'FlatField wedge'.
Good luck, Bill