Re: gEDA-user: gEDA and PCB ------

[Charles Lepple <clepple@gmail.com>]

On Fri, 8 Oct 2004 09:01:39 +0000, Karel Kulhavý <clock@twibright.com> wrote:
> On Thu, Oct 07, 2004 at 07:30:33PM -0700, Stephen Meier wrote:
[...]
> > Back anotation is missing so I wrote a program that flips the pins in
> 
> What is back annotation?

Generally speaking, it's when you move changes "backwards" through the
design flow. Normally, you make changes on the schematic, and re-run
the netlister to propagate those "forward" to the PCB layout. Some
commercial tools allow you to track your changes (swapping pins, etc.)
in the layout editor, and send those changes back to the schematic
editor (kind of like patch files for source code).

-- 
- Charles Lepple