[PCB_FORUM] Re: The router...
- From: "Austin Franklin" <austin@xxxxxxxxxxxx>
- To: <icu-pcb-forum@xxxxxxxxxxxxx>
- Date: Fri, 8 Jul 2005 17:14:03 -0400
Hi Randy,
> Hmmm....I'm not sure what you mean by semi-auto....
Guided routing, interactive routing with push and shove and hug or manual
routing with automatic completion...that's semi-automatic routing.
> The only true
> auto-route engine in Allegro that I'm aware of is Specctra a.k.a CCT.
My point is, Specctra is not in Allegro. It is an entirely separate
program. The database from Allegro is converted into a Specctra compatible
database, then read into Specctra. You can open Specctra separately from
Allegro.
> Any manual editing done within the Allegro GUI is done via the Allegro
> interactive router, (Add Connect, Slide, Delay Tune... Etc...) I
> suppose Delay Tune could be considered semi-auto....
Exactly, anything like that is semi-automatic. As opposed to fully manual.
> Regarding manual routing in Specctra: In general I find the Specctra
> GUI and pull-down menus easier to navigate and the trace editing more
> intuitive. You don't have to worry about, Bubble (hug/shove)
> settings, it replaces etch by default, if you set line lock to 45 you
> can do either 45 or 90 not just 45s.... , You can toggle between
> move/slide and add-connect with the RMB. Same net checking can be
> enabled/disabled with the RMB pop-up menu. I can easily do some
> auto-routing, and then do manual cleanup/adjustments without going back
> into Allegro after each auto-route pass.
Thanks, I appreciate the info.
> There is also a laundry list of things I like better about Allegro's
> interactive routing too, so I tend to use both tools depending on what
> I'm doing and where I am at in the design cycle. Your mileage may
> vary.......
What do you like about Allegro's interactive router over Specctra?
Regards,
Austin
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