yeah, ditto. I find the eagle autorouter pretty, well, stupid. If I
route several of the obvious ones first, it often does a much better
job. I also find myself going back and ripping up long circuitous
routes (like a power route), routing it manually and then
autorouting, the ar does a much better job.
my wife was a pcb designer for 10 years and even the pricey stuff
required a lot of fussing. she laughs at me when I complain about
the ar in eagle, I feel like Rodney Dangerfield...
Phil
--- In Homebrew_PCBs@yahoogroups.com, "javaguy11111"
<javaguy11111@y...> wrote:
> I have run into this problem but what you have described has not
> worked well for me. I may define a power class with a 5mm trace
width,
> but that will not autoroute to a chip with a 1mm pin pitch.
>
> As my designs have grown more complex I have found the eagle
> autorouter to be less and less useful and I have started routing
> manually more and more. I wonder if the autorouters from the more
> expensive software packages are more intelligent about such things.
>
>
> --- In Homebrew_PCBs@yahoogroups.com, "Robert Ussery"
> <uavscience@f...> wrote:
> >
> > You'll want to create different classes in the schematic. Type
> "class" into
> > the command line interface. A dialog comes up with class
> definitions. You'll
> > probably only have a "default" class. Define some more classes,
> such as
> > power, clock, etc. with the trace widths, clearances and drill
> sizes you
> > want. Then type in "change class". A menu with all the classes
> comes up.
> > Select the class you want, and then click on the schematic nets
you
> want to
> > be the new class. Then go to your board and autoroute. The
different
> classes
> > should show up with their different widths, clearances, and
drills.
> >
> >
> > - Robert
> >
> >
> >
> > >-----Original Message-----
> > >From: joshdewinter [mailto:joshdewinter@y...]
> > >Sent: Wednesday, February 11, 2004 7:06 PM
> > >To: Homebrew_PCBs@yahoogroups.com
> > >Subject: [Homebrew_PCBs] Another Eagle question for the experts
> > >
> > > Thanks Phil, Javaguy and Rusty for the tips with Eagle. The
via
> > >thing was so simple, I didn't even think of doing it.
> > > I have another one for you. I've read the manual and didn't
see
> > >it. You'll probably slap me for being ignorant, but here goes:
> > >
> > > How do you change the width of the tracks the autorouter
uses? I
> > >have tried changing the line width before using the autorouter,
but
> > >it sticks to the line size it appears to like best. If I group
all
Show quoted textHide quoted text
> > >the traces and use the change tool after they're drawn, I get
> > >overlapping lines if they get too big.
> > > How can I specify lines with big width before routing, so the
> > >autorouter doesn't overlap them?
> > >
> > >Thanks very much for the help