I want to set some rules in the "Hole Size Constraint" to specify the drill bits available from APCircuit. I've set the following constraint :
Name Scope Min Max Drill 42mil Board 42mil 42mil Drill 28mil Board 28mil 28mil Drill 35mil Board 35mil 35mil
When I run the DRC, I get the following rule violations:
Processing Rule : Hole Size Constraint (Min=42mil) (Max=42mil) (On the board ) Violation Pad J1-25(49796mil,53700mil) MultiLayer Actual Hole Size = 35mil Violation Pad J1-24(49905mil,53700mil) MultiLayer Actual Hole Size = 35mil
Looks like this is a priority issue.
The first rule has the highest priority. Rules are tested against all objects. So your first rule will generate an error on all holes not equal to 42mil. It won't help that you have alternative rules following.
You would need some method of saying the hole size could be 42 OR 35 OR 28. I don't know how this could be done in P99SE (it can easily be done in DXP). Adding extra scopes in P99SE won't help, I think, as these can be thought of as further restricting the application of a rule (boolean AND rather than boolean OR).
I think in P99SE you will be forced to either develop (or have developed) a server to do to the check (but this will not be able to be automatically added to the design rule system, I believe) or do it manually. Manually seems easiest to me. Another method would be an external script acting on a spreadsheet export of ASCII format file. But This is more effort than using the Hole Size Editor and a lot less convenient when you want to change anything.
Ian
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