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Date: Thu, 19 Jul 2012 19:57:05 -0700
Message-ID: <CAN0Jx-9=+hr0RZtiZomm=Q9En=ffQxY+34WFA9rCTpL7Ys6LdQ@mail.gmail.com>
Subject: Re: [geda-user] pcb footprint update hack
From: Russell Dill <Russ DOT Dill AT asu DOT edu>
To: geda-user AT delorie DOT com
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On Thu, Jul 19, 2012 at 6:46 PM, Dan White <dan AT whiteaudio DOT com> wrote:
> On Thu, Jul 19, 2012 at 6:52 PM, John Griessen <john AT ecosensory DOT com> wrote:
>> 4. You might have to fix some components, they sometimes are
>>    rotated incorrectly after being updated.  Use the rotate tool
>>    and click on the component reference point (diamond) until
>>    things are lined up.
>>
>> 5. Save the layout.
>>
>> But now you have a name of XYZ123_new.fp.  How do you get to modified
>> XYZ123.fp
>> in fewer steps that Colin suggested?  Or are you suggesting always use anew
>> name?
>
>
> There is a plugin "ElementUpdate(Selected|All)" which pulls in new
> footprint updates from disk.
>
> To avoid restarting PCB to (reload the Library), there is a note in
> elementupdate.c about exporting a function from buffer.h:
>
>   /* make sure to re-read footprints from disk */
>   /* to enable this, add the following to buffer.h:
>    *     void clear_footprint_hash (void);
>    * and un-comment below */
>   /*clear_footprint_hash ();*/
>
> The plugin does not preserve changed flags present on pins/pads; this
> means thermals are not preserved, specifically.  With the above change
> to the pcb code, you can have two PCB
>
> The plugin is part of a forked version of Bert Timmerman's pcb-plugin
> github repo:
>
> https://github.com/etihwnad/pcb-plugins/blob/master/src/plugins/elementupdate.c
>
> I hacked up this one, and another plugin for aligning text (AlignText
> and DistributeText) to suit my purpose at the time.  "Real Soon Now"
> they will be more formally introduced, but...

Here's yet another one:

https://gist.github.com/3148380

It preserves text position and rotation, thermals, and pads that have
zero clearance.