Re: gEDA-user: Split ground planes and zero ohm jumpers

[Russell Dill <russd@xxxxxxx>]

On Fri, Apr 8, 2011 at 2:18 PM, DJ Delorie <dj@xxxxxxxxxxx> wrote:
>
>> Â # shorting trace
>>  Pad [ -1.550mm Â0.000mm  Â1.550mm 0.000mm  0.5mm 0.5mm 0.700mm "c" "c" "square" ]
>
>
> Perhaps a new flag for pads that means "non-net copper" ? ÂThen
> "square,nonnet" (for example) tells 'o' to ignore that copper when
> determining connectivity, but DRC would still check it for
> manufacturability.
>
> In theory, we could support that flag in *any* object, but I'm not
> sure how to manage the relationship between, say, a non-net trace on
> an inner plane and the schematic/netlist. ÂI asked someone who used a
> BigName EDA package how they did it, and they had a completely
> different class of object for these - a net-linking object in the
> schematics, netlist, and layout.
>

Seems like a neat concept. Suppose it would be treated as regular
copper throughout PCB except that when the netlister got to it, it
would not cross it.


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