ROTFL... 

Bill Brooks 
PCB Design Engineer , C.I.D., C.I.I.
Tel: (760)597-1500 Ext 3772 Fax: (760)597-1510


-----Original Message-----
From: Mike Reagan [mailto:[EMAIL PROTECTED] 
Sent: Thursday, April 08, 2004 9:15 AM
To: 'Protel EDA Forum'
Subject: Re: [PEDA] Creating selective keepouts

Bill

I use matrix and fills all of the time for controlling vias and
traces.....but not on any Protel router of course.  Did I say PROTEL
router.. there is no such thing. Im sorry for the wrong use of words.

Mike



-----Original Message-----
From: Mike Reagan [mailto:[EMAIL PROTECTED]
Sent: Thursday, April 08, 2004 12:02 PM
To: 'Protel EDA Forum'
Subject: Re: [PEDA] Creating selective keepouts


Ray

Now I understand a little better.       You could this. I use this trick to
keep traces out of certain areas.  Place a matrix of 1 mil lines on the
bottom and make them KEEP OUT lines.   Make the  squares in the  matrix
large  enough so the router can pop vias in.  The matrix will prevent
routes. Set the via grid to 1. Vias will be allowed routes wont

To keep vias out of an area, use an used layer ( I use layer 30)  Set layer
30 to no route .  Place fills on layer 30 and call make them keep out fills


Mike

-----Original Message-----
From: Ray Mitchell [mailto:[EMAIL PROTECTED]
Sent: Thursday, April 08, 2004 11:27 AM
To: [EMAIL PROTECTED]
Subject: [PEDA] Creating selective keepouts


I'm using Protel 99SE SP6.  I have components on the top and bottom of my
board.  In one area of the bottom I would like the autorouter to be allowed
to place both vias and traces as needed.  In another area of the bottom,
however, I would like it to be able to place vias, as needed for routing on
other layers, but I don't want it to be able to place any traces.  I've
tried specifying NOT USED in the design rules for the bottom layer but when
I do that it will not route anything anywhere.  Any thoughts on this?

Ray Mitchell
Engineer, Code 2732
SPAWAR Systems Center
San Diego, CA. 92152
(619)553-5344
[EMAIL PROTECTED]

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