Re: gEDA-user: DRC question...

[Dan McMahill <dan@xxxxxxxxxxxx>]

Ben Jackson wrote:
> On Fri, Mar 14, 2008 at 08:04:41AM -0700, Traylor Roger wrote:
>> Guys,
>>   In Settings -> Sizes 
>>     -I have min annulus ring set to 5mil. 
>>     -Minimum copper width is set to 8mil. 
>>
>>   My vias have a 10mil drill, 21mil outer
>>   diameter.  This should yield a 5.5mil 
>>   annular radius on the vias.
>>
>>   When doing DRC, it complains with:
>>   "Via annular ring is too small based on minimum
>>   copper width near location ...."
> 
> In my opinion it's a bug.  I have that test commented out in my local
> copy.  Just as you say, it applies BOTH min copper AND min annulus to
> holes.  I did a board with similar rules to yours (6/6 with 5 annulus)
> and got thoes initially.

I am not opposed to changing it to only apply the minimum annulus test 
on holes.  I think the historic reason is pcb used to only have the min 
width parameter.  But now that we've had the min annulus parameter for a 
while we should probably flip the switch.  Any objections?

-Dan



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