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Date: Sat, 12 Sep 2015 18:20:37 -0400
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From: DJ Delorie <dj AT delorie DOT com>
To: geda-user AT delorie DOT com
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Subject: Re: [geda-user] shortest way towards parsing .pcb files outside pcb
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>   3.  Refactor all the rest of pcb to somehow use structures that don't
>       mix together board data, settings, rtrees, etc.

Worse, a *lot* of the performance of pcb relies on being able to do a
2-D search for objects intersecting a bounding box.  The r-trees are a
key part of that, and really need to be kept in sync with other data
representations.

Or, of course, some other 2-D search needs to replace it.