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Mail Archives: geda-help/2014/08/15/15:08:06

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Fri, 15 Aug 2014 12:07:43 -0700 (PDT)
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Subject: Re: [geda-help] changing pad clearance after layout
From: James Battat <jbattat AT wellesley DOT edu>
In-Reply-To: <201408151757.s7FHvoTR016123@envy.delorie.com>
Date: Fri, 15 Aug 2014 15:07:48 -0400
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References: <E8F82EE6-F7DF-41DD-B131-219204D8A04D AT wellesley DOT edu> <201408151757 DOT s7FHvoTR016123 AT envy DOT delorie DOT com>
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Thanks for the quick reply.

I see that I can select all components manually on the board and then execute the ChangeClearSize() command (and I've been doing that), but I was wondering if it's possible to propagate the change to the 0805 footprint file to *all* 0805 components in the layout.  Perhaps from the command line.  i.e. something that amounts to a smart search-and-replace for all Pad[] entries in an Element[] entry that has the Description "0805".

Also, re: best practices for making footprints -- is there an advantage to specifying clearance=0 vs. clearance=non-zero?

Thanks as always,
James



On Aug 15, 2014, at 1:57 PM, DJ Delorie wrote:

> 
> This is a FAQ:
> 
> http://wiki.geda-project.org/geda:pcb_tips#the_polygons_are_shorting_my_tracks_what_can_i_do_about_it
> http://wiki.geda-project.org/geda:pcb_tips#how_do_i_change_polygon_clearance
> 
> There's also an action you can invoke from pcb's internall command box:
> 
>  MinClearGap - Ensures that polygons are a minimum distance from objects.
>    MinClearGap(delta)
>    MinClearGap(Selected, delta)


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