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Date:	Mon, 11 Apr 2016 09:59:28 +0100
From:	"M. J. Everitt (m DOT j DOT everitt AT iee DOT org) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
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Subject:	Re: [geda-user] gschem attribute list, value list
References:	<20160324143854 DOT 1a1535a687a8c9fc7ff0bd01 AT gmail DOT com> <ned8g1$d6e$1 AT ger DOT gmane DOT org> <570B1B35 DOT 5030503 AT iee DOT org> <20160411104504 DOT a4ce38adaa9d03992ad996da AT gmail DOT com>
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On 11/04/16 09:45, Nicklas Karlsson (nicklas DOT karlsson17 AT gmail DOT com) [via
geda-user AT delorie DOT com] wrote:
>>> Ack.
>>> The symbols of my gschem libraries include an attribute "footprints"
>>> with a comma separated list of suggested footprints. Similarly,=20
>>> they may contain an attribute "values" with a list of preferred=20
>>> values. The GUI could present these list attributes as a drop-down=20
>>> list for the user to choose from.
>>>
>>> See
>>> http://www.gedasymbols.org/user/kaimartin_knaak/essential/essential.h=
tml
>>> section "List attributes"
>>>
>> Does it actually work in a compatible manner to list alternate
>> footprints and propagate through gsch2pcb and PCB ? I've long tried to=

>> find a way to do this that works, but nearest I've come to, is create
>> footprint2, footprint3 attributes to avoid conflict? If there was a
>> better way, I'd like to know!
> The comma separated list should propagate fine through gsch2pcb and PCB=
 although as I discovered earlier parantheses caused import schematic to =
crash but this considered a bug.
>
> The comma separated will be used only for a list of values to chose fro=
m and the chosen value is copied to the ordinary attribute.
>
> Basically an extra attribute with an "s" at the end for, footprint, val=
ue or whatever ordinary attribute name is used to store a list of possibl=
e values. It should be rather straightforward to implement whenever there=
 is enough time. It will work great until someone invent something better=
 if at all.
>
>
> Nicklas Karlsson
Thanks for that .. will try it on the next layout .. :D


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