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Message-ID: <BAY105-F3234F0F691B65E511506B0D0BF0@phx.gbl>
Date: 2005-08-13T08:14:46Z
From: 吴 昊
Subject: scratch a figure

Hi,
I have generated a figure using rgl.surface(),how can I scratch this 
figure? thanks a lot.
regards
Hao Wu