is the bd really too much to do a visual scan?
you may want see other stuff you could clean up while you at it

Dennis Saputelli


"John W. Childers" wrote:
> 
> From: Drew <[EMAIL PROTECTED]>
> > There is at least one layout package I know of that will report "dangling
> lines" and their x:y coordinates.  Also, I have been told that running the
> database through Specctra will remove dangling lines.  Though I have never
> witnessed the process, it might be worth looking into.
> >
> 
> From: Abd ulRahman Lomax <[EMAIL PROTECTED]>
> > Some stubs might be eliminated by the autorouter; autorouter intelligence
> > does encompass most if not all of what is needed to find stubs.
> >
> > I haven't tried it, but the autorouter might already eliminate some stubs,
> > assuming that they are not locked. It seems to me that it once did.
> 
> The trouble with using an autorouter, Specctra or Protel, to remove antennas
> is that in an update to a design, I wanted to preserve the existing routing.
> I used the Protel autorouter after removing as many junk traces as I could
> find.  But I locked the exitsting traces, preventing the autorouter from
> going wild on the board.  I had spent many hours on the previous revision
> cleaning up acute angles, of which the autorouter had generated thousands.
> I didn't want to go through that again.  Thus, the autorouter could not
> clean up atnennas.  (It also made dual traces, over but not exactly the same
> path as the locked ones, instead of using portions of the locked traces to
> connect to.  But these were easy to find by inspection.  In fact, it was
> searching for these redundant traces that revealed the antennas.)
> 
> > From: "Ian Capps" <[EMAIL PROTECTED]>
> > > I've only seen that capability in some of the gerber softwares. The old
> > > Lavenir View2001 does an unterminated trace check but Camtastic doesn't
> seem
> > > to have the ability.
> 
> From: Bob Jones <[EMAIL PROTECTED]>
> > I'm not sure about Camtastic but my CAM350 software will check for
> unwanted
> > antennas.
> 
> Does anyone know of any additional Gerber view software that checks for this
> besides Lavenir View2001 and CAM350?
> 
> Thanks to all for your input,
> John W. Childers

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