There is a design rule called component clearance constraint under the
Placement tab. It will generate an error if the top/bottom overlay
primitives of a component come within a specified distance.
This should do the trick.

-----Original Message-----
From: Gladieux, Jed [mailto:[EMAIL PROTECTED]]
Sent: Wednesday, 11 April 2001 9:07 AM
To: '[EMAIL PROTECTED]'
Subject: [PEDA] Creating custom design rules?


Does anyone know how to create new design rules.  For example, I would like
to flag instances where component outlines on the silkscreen layers overlap.


I got bit by this on a very busy board and wound up with 2 components
physically interfering with each other although pads/tracks were all OK.

I'm currently using Protel98 but am planning to migrate to 99SE as soon as I
get a chance.  Wasn't able to find anything in P98 Help.  Maybe I'll try
Protel's Knowledge Base, but in the meantime, it anyone knows how to do this
I would appreciate any advice.

TIA,

Jed Gladieux
Ball Aerospace
1600 Commerce St., CO-5
Boulder, CO 80301

Phone:  303-939-5819
Fax:      303-939-5550

[EMAIL PROTECTED]



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