interactive value determination?

[Rick Thompson]

Lewis, you can use d.what.rast to accomplish this.  
 
> I have produced some raster files using Grass tools and I want to
> be able to look at the raster file and, as I look at it, click on
> positions within the displayed raster and have the value at that point
> displayed, say, to standard out or a window or just anywhere that I can
> see it. I want to be sure the raster values produced are really doing what
> I think they are. Any suggestions?
------------------------------------------------------------------------
Rick Thompson-   Research Assistant           E-mail: rick at cast.uark.edu
Center for Advanced Spatial Technologies      Telephone: (501) 575-5736
Ozark Hall Rm. 12                             Fax: 575-3846 
University of Arkansas              
Fayetteville, AR 72701