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Re: [zzdev] Re: :zzSig: Containment dims (was Re2: Questions
- To: Ted Nelson <ted@xxxxxxxxxx>
- Subject: Re: [zzdev] Re: :zzSig: Containment dims (was Re2: Questions
- From: Andrew Pam <xanni@xxxxxxxxxxxxxxxxx>
- Date: Wed, 7 May 2003 00:23:30 +1000
- Cc: Jan Theodore Galkowski <jtgalkowski@xxxxxxxxxxxx>, marlene@xxxxxxxxxx, eharter@xxxxxxxxx, zzdev@xxxxxxxxxx
- In-reply-to: <3.0.6.32.20020503235332.00931700@xxxxxxxxxxxxxxxxxxxx>
- Mail-followup-to: Ted Nelson <ted@xxxxxxxxxx>, Jan Theodore Galkowski <jtgalkowski@xxxxxxxxxxxx>, marlene@xxxxxxxxxx, eharter@xxxxxxxxx, zzdev@xxxxxxxxxx
- References: <3.0.6.32.20020502222048.0092bc90@xxxxxxxxxxxxxxxxxxxx> <5.1.0.14.2.20020501222352.00a8fec0@xxxxxxxxxxxxxxxxxxxxxx> <3.0.6.32.20020503235332.00931700@xxxxxxxxxxxxxxxxxxxx>
On Fri, May 03, 2002 at 11:53:32PM -0700, Ted Nelson wrote:
> (A depth setting has been suggested as a way to prevent
> accidental runaway perpetual loops; but if you *want*
> this mechanism to allow perpetual loops, well, we can
> discuss it :)
When rendering contained cells, my implementation uses a temporary list
of cells already part of the containment structure and never follows a
connection that leads to a cell already included earlier. This allows
arbitrary depths without looping, but of course it is only one possible
implementation; there could be situations in which looping to a fixed
depth is preferable.
Regards,
Andrew
--
mailto:xanni@xxxxxxxxxx Andrew Pam
http://www.xanadu.com.au/ Chief Scientist, Xanadu
http://www.glasswings.com.au/ Technology Manager, Glass Wings
http://www.sericyb.com.au/ Manager, Serious Cybernetics