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Subject:	Re: [geda-user] Find rat lines
From:	John Doty <jpd AT noqsi DOT com>
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Date:	Fri, 14 Dec 2012 16:06:52 -0700
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On Dec 14, 2012, at 3:01 PM, Markus Hitter wrote:

> Am 14.12.2012 19:03, schrieb John Doty:
>> 
>> On Dec 14, 2012, at 10:10 AM, Markus Hitter wrote:
>> 
>>> Clearly, requiring manual track tagging isn't helpful.
>> 
>> [...] But attempting to use
>> leaky heuristics as a foundation  [...]
> 
> A track connected to something is either part of the same net or it represents a short.

A track made of copper is a special case of "conductive object", but any conductive object may suffer from a short. The object itself generally does not represent a short: shorts occur at contact points between objects.

> For my part, I don't see where heuristics kicks in, much less leaky heuristics.

DJ has complained that the "first touch" heuristic for identifying connectivity is seriously leaky in complicated cases.

John Doty              Noqsi Aerospace, Ltd.
http://www.noqsi.com/
jpd AT noqsi DOT com

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