Re: Moving objects and incremental redisplay

• To: CLIM@BBN.COM
• Subject: Re: Moving objects and incremental redisplay
• From: rudolf mittelmann <rm@cast.uni-linz.ac.at>
• Date: Wed, 29 Sep 1993 12:13:52 +0100
• Reply-To: rudolf mittelmann <rm@cast.uni-linz.ac.at>

In message <19930928175757.9.SWM@SUMMER.SCRC.Symbolics.COM> Scott McKay writes:
> ...
> CLIM's incremental redisplay facility operates at too low a level to be
> as efficient as the 4 steps above.  CLIM doesn't know, for example, that
> you just moved one little object.  It has to go figure it out by looking
> at the whole output record tree.
> ...

I really cannot find CLIM to be THAT bad... ;-)

The whole record tree has to be traversed only in
worst case. 
If the programmer is careful to supply
enough information via hierarchical use of 
updating-output macros, only small parts of the tree
need to be investigated. Isn't it?

• Re: Moving objects and incremental redisplay
• From: Scott McKay <SWM@stony-brook.scrc.symbolics.com>

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