From: Hidetoshi NAGAI <nagai@...>
Date: 2005-07-13T18:56:16+09:00
Subject: Re: Updating GUIs

From: Martin DeMello <martindemello@yahoo.com>
Subject: Re: Updating GUIs
Date: Wed, 13 Jul 2005 18:10:50 +0900
Message-ID: <jQ4Be.1947450$Xk.771377@pd7tw3no>
> > Oh!  That's a great idea.  I understand now.  The cost of that is that
> > I need 72 times more memory for the TkcPolygons, right?  Which
> > probably isn't too significant.
> If it is, a halfway measure is to precompute the sines and cosines of
> angles in five degree increments, and get them from the lookup table
> instead.

You are right. 
However, on TkCanvas, I think that moving or changing state of 
a canvas item is faster than configuring coords of the item.
-- 
Hidetoshi NAGAI (nagai@ai.kyutech.ac.jp)