how to change the symbol size?

[Yang Kun <yangk@xxxxxxxxxxxxxx>]

Hi,

I want to put some arrows on a graph to show how the water
flows, but the size of that symbol is too small. Can I 
change to a larger size? Seems plot/cs/over/symbol=...
doesn't support changing size? any better way?

thanks!

-Kun

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Kun Yang,   Researching Assistant
Dept. of Oceanography, Texas A&M Uni. College Station
Mailing Addr:  309, Ball Street, Apt. 1025, College Station, TX, 77840
Tel:  (979)-862-9113 (h), (979)-845-3238 (o)
Email addr:    yangk@ocean.tamu.edu; yangk@netease.com
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