i saw this happen when i used teardrops with arcs.  it did not happen with
tear drops with lines however.  just a thought.


-----Original Message-----
From: EDA Software Technical Dpt. [mailto:[EMAIL PROTECTED]]
Sent: 04 June 2002 14:50
To: Protel EDA Forum
Subject: [PEDA] Problem with Polygon Planes and Pads


I have the following problem when I export Gerber files from PCB.

My PCB file contains Polygon Plane with 5 mils Clearance from the 18 mils
pads.
When I create the gerber file the clearance ring around the pads on the
plane appears
to be polygonal at the Gerber file (small lines "emulating" a cicle) and not
circular
as it is on PCB.

!!!!  NOTE:  !!!!
In the Polygon Plane properties dialog, at the ''Surround pads with''
option
I have select Arcs instead of Octagon.

I try to convert the polygon plane to a set of primitive objects by
selecting
Tools   Convert   Explode Polygon to Free Primitives but the problem remains
the same
when I create the Gerber file.

What I found is that the voids on a Polygon Plane are converted to the
Gerber file as small polygon lines.
Other programs like Or-CAD, convert the Arc or the Circle exactly as Arc's
or Circle's in the Gerber file
without using the small polygon lines.

Is there a way or a workaround in order to solve this problem?

Regards

Konstantina



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