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Subject:	Re: [geda-user] pcb fundamentals
From:	Peter Clifton <pcjc2 AT cam DOT ac DOT uk>
To:	geda-user AT delorie DOT com
Date:	Tue, 18 Dec 2012 19:54:06 +0000
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On Sun, 2012-12-16 at 16:06 -0700, John Doty wrote:

> Again, it reminds me of the difference between the road net in
> downtown Boston versus Manhattan. The Boston road net started as
> pcb-like special cases (need a road from the warf to the tavern,
> etc.). It has been repeatedly "patched" to accommodate new "use
> cases".

Sounds like various areas of both the gEDA and PCB code-bases to me ;)


>  The result is difficult to navigate. Contrast that with Manhattan,
> which is mostly regular grid. Even though there are some irregular
> blockages, it is relatively easy to find a route from any point to any
> other point (and Manhattan is *much* bigger than downtown Boston).
> There are also a few "short cuts". Fundamental regularity does not
> need perfect implementation to be navigable.

Despite knowing and understanding the term "Manhatten distance" and
"Manhatten routing", it took me a while to appreciate the link between
the term and the place (and road layout!).

Anyway.. 


-- 
Peter Clifton <peter DOT clifton AT clifton-electronics DOT co DOT uk>

Clifton Electronics

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