I can't recall at the moment what exactly I ran into but Software Arcs did 
cause me a problem at one point. Since then I never turn them on. (Haven't seen 
the problem again so I have forgotten what the precise problem was.)

Sincerely,
Brad Velander
Senior PCB Designer
Northern Airborne Technology
#14 - 1925 Kirschner Road,
Kelowna, BC, V1Y 4N7.
tel (250) 763-2329 ext. 225
fax (250) 762-3374



-----Original Message-----
From: Abd ul-Rahman Lomax [mailto:[EMAIL PROTECTED]
Sent: Tuesday, September 27, 2005 3:45 PM
To: Protel EDA Discussion List <[email protected]>
Subject: Re: [PEDA] arcs in Gerber go the wrong way


At 01:23 PM 9/27/2005, Brian Guralnick wrote:
>DS,
>
>    The bug may be also affected depending if you use software ARCs 
> setting in the Gerber output.

I'd expect no problem if software arcs are used, since "software 
arcs" are plotted with a series of draws, whereas gerber arcs use the 
arc plotting command. What I don't recall is if the original gerber 
standard allowed arcs at all, I forget.

Definitely, though, this is a 99SE bug (and it may have existed 
before 99SE). It's nice to have the ability to support that ancient 
photoplotter in the dark recesses of the basement, but .... arc 
commands should have been properly rendered. If they are not allowed 
in the old standard, then the user should, at least, have been warned.

Ah well, water under the bridge. Question is, has this issue been 
addressed in DXP et seq?



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