Re: gEDA-user: PCB Auto-Router Misroutes

[ptay <phil@xxxxxxxxxxxxxxxxxxxxxxxx>]

Steve,

Not sure if it's the prob. you're seeing now, but the only time I could 
get the router on 1.99 to connect different nets was when it'd put the 
beginnning of a trace on a pin/via and then not route the line.  The 
problem is that if it does this on the wrong layer, say one with a 
ground or power plane, it'll come up as a short ckt.

this can be controlled by turning off all the layers you don't want to 
route, and manually routing the trickier traces before autorouting.

phil


Stephen W Morss wrote:
> I'm using PCB 1.99q to do a board layout and am trying to use the router.  I'm finding that it has a
> tendency to short different nets together.  Even after I do a route and clean up shorted nets, if I rerun
> the router, other shorts are generated.  It's strange because when I hit "O" to optimize routes, PCB
> points out all the shorted nets.  Once I delete the shorts, the rats nest doesn't show the shorts
> either.  It's as though the rats nester and router are out of sink, each seeing the needed connections
> differently (though the rats nest looks right and some of the routes are clearly wrong).  Has anyone else
> seen/solved this problem.
>
> Thanks,
> Steve 
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