Norman,
        The one two issues that I can think of are:
Is the display option for your polygons ("O"ption, "D"isplay) set to final, 
draft or hidden.
There is a case where you can have items set to the correct net name but things 
like polygons and rules do not recognize that net name assignment. You must set 
them, save the file and re-open it in a fresh session before the assigned nets 
are recognized. (In this case I am thinking that possible your vias are 
correctly assigned to a net but it is not being recognized when you re-pour 
your polygons.

        For your delivery options you can set or reset them through the links 
supplied at the bottom of each post. Chances are that they had too many bounced 
emails from your account so it was temporarily disabled. Try resetting your 
delivery failures (don't recall the precise name of that option).

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


-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]
Sent: July 25, 2005 1:05 AM
To: [email protected]
Subject: [PEDA] Disappearing Polygons?


I have a weird one here, so I'm seeking help even though I have resolved 
it (so far - touch wood) for the time being.

P99SE sp6, 4 layer board, middle two layers both contain polygons and 
*some* tracking but kept minimal.

I'm routing happily away with my two internal layers switched off, then to 
my horror when I turn midlayer2 on the polygon has done a runner, vamoose, 
gone! So, deciding I've been careless when deleting tracks on the top or 
bottom layer I draw another roughly and go to edit the vertices. At which 
point the new polygon stays solid and an outline eerily similar to the 
point of being exactly the same as the previous one appears! So, I double 
check there are vias (there are actually a fair few) connecting to BOTH 
polygons as "remove dead copper" was selected, then click to finish moving 
vertices.

The "old" polygon disappears again!

If I clicked on it to move vertices, move the whole polygon a bit, or do 
anything to it, it would be there, but under normal viewing after it 
repoured it wouldn't be visible! When I clicked and dragged it to move it, 
when I let go it would repour then vanish! I then dragged it off the 
board, unclicked "remove dead copper" and it reappeared!

To be safe I've deleted the "old" one and left the new one in place, so 
far it's still there, but if anyone has any ideas as to why the old one 
disappeared from view yet was still there I'd be grateful! I'm sure there 
is something amiss here that I can't see!

PS: Does anyone know how I can contact the list administrator to find out 
why they disabled me receiving mails from the list, it's taken me 2 weeks 
to figure it out, I have no idea why they did it either...

Thanks & Best Regards

Norman Webster

Development Engineer
Gas Detection Systems


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