Any comments, bug reports, or suggestions for changes or improvements will be greatly appreciated.
This addition was provided by Larry Coffin <lcoffin@clciris.chem.umr.edu>
![\begin{defkey}{gradient}{{\em surf1} {\em surf2}
[{\em GradShape}]
[{\em start...
...otchy gradient texture that is similar to the
{\tt blotch} texture.
\end{defkey}](img12.png)