This sounds fine. I was just mentioning that dot does a lot for placement, but
the routing is a bit simpler. They might even route rectangular and then
smooth this, who knows.
Is anyone here using any rtree based techniques for overlap checking? I looked
at the sources and didn't see anything. Also i don't see an way to get
intersections from 90 degree line intersections. If not, then anyone have
suggestions for routines that will take in lines and return back all
intersections? The rtree is needed for overlap detection when building the
connection graph for the routing routine.
Alan
--- James Henstridge <[EMAIL PROTECTED]> wrote:
> On Tue, 30 Jan 2001, Alan Gonzalez wrote:
>
> > 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.
>
> I am not going to accept any code that is based on dot's algorithms.
>
> The licence is very much non free. It states that some (unamed) portions
> of graphviz are covered by (unamed) AT&T patents. And the dot licence is
> the only one under which we could use those patents. This would mean
> distributing dia as a patch to graphviz and giving AT&T a completely non
> restrictive licence to our code (which is not going to happen, given this
> is a GPL'd project).
>
> James.
>
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