I followed your suggestion and analized gerber file... I discovered that the
error occurs when I import lines like these
G03X25287Y16979I1968D01*
X23318Y15010J1969*
X25287Y13042I1969*
X27255Y15010J1968*
...to fix my problem I've to modify them into
G03X25287Y16979I1968D01*
G03X23318Y15010J1969*
G03X25287Y13042I1969*
G03X27255Y15010J1968*
but the *real* problem is that the file I analized, the one I can't
correctly importe now with Camtastic, is already imported in a .CAM file by
a previous installation of Camtastic...
I also tried to specify "Use 360 deg arcs as defaults" in the import
options, but the import display always just the first quarter of the arc...
----- Original Message -----
From: "Abd ulRahman Lomax" <[EMAIL PROTECTED]>
To: "Protel EDA Discussion List" <[email protected]>
Sent: Saturday, October 01, 2005 3:04 AM
Subject: Re: [PEDA] arcs in Gerber go the wrong way
At 02:08 AM 9/30/2005, Paolo Morgano wrote:
my special problem is that I just reistalled DXP with SP1-2-3 and I
can't see arcs correctly drawn, in the sense that I see just a
quarter-arc of a circle, fo example... if possible I'd post a picture...
You didn't specify it, but I'm assuming that you are using CAMtastic from
what you write below.
The gerber files I'm trying to see are produced with Mentor by a
consultant of mine, that always produced these filse the same way, and I
never experienced any problem before.
If this had been a Protel import, it would be more understandable, for
Protel was not designed specifically to import generic Gerber but only
Protel-generated Gerber, and thus many of the commands used in RS-274X,
and which might be used in a different way by other programs, are not
correctly interpreted by Protel.
However, it's CAMtastic, which is supposed to be universal, designed to
import *all* CAM files.
So I'd really suggest slicing up the gerber until you find the offending
Gerber commands. It would be easy to compare these commands with the
RS-274X standard. And with Protel and CAMtastic output.
If CAMtastic is failing to read standard RX-274X gerber, Altium should be
notified. Anyone know if there is a known bug in CAMtastic regarding this?
(We know that Protel won't read much of anything that it has not
generated, there are too many variables and the programmers did not try to
build a generic gerber import into Protel....)
In effect I suppose that is a Camtastic's import issue: I have
previously imported gerber files that I correctly view in an old cam
documen, but, if I try to re-import these files with the
brand-new-installed DXP, I experience the problem I tried to explain
below.
Something is off, for sure. Perhaps there is an option in CAMtastic we
don't know about. I don't have an installation handy at the moment to
look.
Look at the actual gerber code. It's not hard to read. Google RS-274X to
find a manual on the standard.
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