Re: gEDA-user: Re: ground plane fill

[Dan McMahill <dan-atMUNGEDmcmahill_dot_net>]

Peter Baxendale wrote:
> 
>>>For that matter, why
>>>isn't it just automatic
>>>that lines and arcs in the same net as the polygon
>>>merge, and others clear?
>>
>>Well, before the poly exists, or before any lines
>>connect to it, how do you know what net it belongs to?
>>
>>If the net is unknown, it would mean no polygons could
>>ever connect to anything - they begin life not
>>belonging to any net so all nets would be prohibited
>>from connecting to them.


 > I have to admit, this is one of the few aspects of Orcad I actually
 > liked better than pcb. When creating a copper fill you got (amongst
 > other things) a drop down list of nets, and you chose which one you
 > wanted the polygon connected to. This makes the connectivity dependent
 > on the net, rather than some flag in the many bits of track on the
 > board, which sort of made sense to me.
 >

me too.  Thats how it works in PCAD.  I can't recall exactly how one did 
that in cadnetix but I know you didn't have to manually add thermals on 
all the vias.

-Dan



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