[PCB_FORUM] Re: glossing diff pairs
- To: <icu-pcb-forum@xxxxxxxxxxxxx>
- Date: Thu, 10 Mar 2005 16:51:03 -0500
Is this a console command or a check box?
Richard Weinberg
Agere Systems
207-846-4539
-----Original Message-----
From: Bye, Randy W [mailto:Randy.Bye@xxxxxxxxxx]
Sent: Thursday, March 10, 2005 8:56 AM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: glossing diff pairs
Kevin,
As an alternative to Gloss, you may want try using, Route => Custom
Smooth by net/window pick. If you first set the env variable: " set
smo_hs_smooth full " it will also attempt to smooth nets that have min
length constraints, but will not create DRCs as a result of the smooth.
Or at least that has been my experience.
Randy
Randy Bye
PCB Engineering
> UNISYS , Imagine it. Done.
PO Box 64942
St. Paul MN. 55164
MS: 4713
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-----Original Message-----
From: Kevin McCowan [mailto:kmccowan@xxxxxxxxxxxxxx]
Sent: Thursday, March 10, 2005 7:44 AM
To: icu-pcb-forum@xxxxxxxxxxxxx
Subject: [PCB_FORUM] Re: glossing diff pairs
Heh, burnt stick on a brick...
Yes, like you, I am familiar with many if not all of
the glossers shortcomings. And yet it seems an essential
part of the tool. Especially with the specctra
router working the way it does.
Why do we put up with this nonsense?
I hope that some cadence person is monitoring this thread
and can update us as to whether this is being addressed.
Thanks for the response.
Kevin
Musetti, Carl wrote:
> Kevin,
>
> I have had this problem with tool ever since I have been using
I am on 15.2 and it isn't any better there either the gloss
routine
seem to have been left in the dust as it doesn't respect
many of the
high speed deign rules. I know you don't want to hear this
but for
that reason any net the I put rules on in constraint manager
I put
the NO_GLOSS property on. MY solution is lets put on the top
5 issues
list and get Cadence to address it as gloss is in desperate
need of
a complete overhaul. Have you ever seen what it does to trace
entry/exits to pads on dense SMD devices? I tell you I could
do better with a burnt stick on a brick!
>
> Carl
>
> -----Original Message-----
> From: Kevin McCowan [mailto:kmccowan@xxxxxxxxxxxxxx]
> Sent: Thursday, March 10, 2005 8:11 AM
> To: icu-pcb-forum@xxxxxxxxxxxxx
> Subject: [PCB_FORUM] Re: glossing diff pairs
>
>
> No. No. No.
> That is not the answer I want.
> Somebody else try.
> And give me a solution I can use, please.
>
> But, really, that is the conclusion I came to after
> using this tool for umpteen years now.
> Shouldn't this be on the list of things that need fixing?
> I heard that they were going to get rid of the glosser
> or something like that. I wonder if they will replace
> it or make it happen in real time somehow.
> Or if I am crazy.
>
> Darn.
>
> Kevin
>
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