Clean, readable manhatten routing would be great, and reasonably
eye-pleasing. True shortest path routing can look ugly.
On Tue, 30 Jan 2001, Alan Gonzalez wrote:
> Date: Tue, 30 Jan 2001 22:41:42 -0800 (PST)
> To: [EMAIL PROTECTED]
> From: Alan Gonzalez <[EMAIL PROTECTED]>
> Reply-To: [EMAIL PROTECTED]
> Subject: Re: How to draw "smart" connectors in wiring diagrams?
>
> Hi, i have started playing around with Dia, and well haven't used
> Visio all
> that much. Anyways, i was a bit intrigued with the autorouting
> topic. When
> someone is saying autorouting, are we talking about placing/routing
> or just
> routing. As someone mentioned... the program "dot" goes through a
> lot of
> effort trying to make a "good/eye pleasing" placement for a logical
> grouping,
> the easier part of it is routing i believe.
>
> So if autorouting is simply having objects placed on the screen and
> you want
> connections automatically made, then that's relatively simple.
> I've written a
> VLSI router before (and am currently). In terms of someone's
> comment about
> magic, i wouldn't even go there since it's way too directed. For
> dia, i don't
> think we'll be needing congestion mapping, global routing then
> detailed routing
> and besides having all sorts of design rule violations. We can
> have some
> spacing rules, but you don't need all the types of things that
> magic provides.
>
> The only thing that dia complicates is the ability to have
> non-rectangular
> routes, so your dealing with a purely academic type of shortest
> path. I'm used
> to manhattan type routing where routes need to be 90 degree turns.
> This
> complicates things in terms of the intersection calculation
> routines, blockage
> detection. The graph can stay the same though.
>
> Anyways, i was just looking for a clarification. thanks.
>
> Alan Gonzalez
>
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--
Harry George
[EMAIL PROTECTED]
