[pstricks] Shading in LaTeX

[Serge D'Alessio]

Hello,

I was wondering if someone could inform
me if it's possible to do shading with LaTeX.
Is there a command(s) that will shade a region?
Is it even possible?

Thanks in advance for any information you can provide.
Sincerely,
Serge D'Alessio.

...................................
Serge D'Alessio
Associate Professor and
Director of First Year Studies
Office of the Dean
Faculty of Mathematics
University of Waterloo
Waterloo, Ontario, Canada
N2L 3G1
Office: MC 5096
phone: (519) 888-4567 ext. 35014
fax: (519) 746-0274
e-mail: sdalessio at uwaterloo.ca
www: http://www.math.uwaterloo.ca/~sdalessi/