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Date:	Tue, 20 Nov 2012 11:10:27 -0500
Message-ID:	<CAM2RGhQKEAkjNsqU1khVWFxAhENqv1+0-hxqDBhUBNR5ic36Zg@mail.gmail.com>
Subject:	Re: [geda-user] git mirror of gedasymbols.org
From:	Evan Foss <evanfoss AT gmail DOT com>
To:	geda-user AT delorie DOT com
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On Mon, Nov 19, 2012 at 8:23 PM, Kai-Martin Knaak <kmk AT familieknaak DOT de> wrote:
> John Doty <jpd AT noqsi DOT com> schrieb am 18. November 2012:
>
>> If you treat the gedasymbols tree as an installation target, not a
>> development tree, these problems disappear.
>
> Of course, I do the actual development on my local disk. But at the end
> of the day, the result has to enter gedasymbols.org.
>
>
>> >> We should talk some time about adding
>> >> spice-prototype attributes to your symbol
>> >
>> > IMHO, this only makes sense, if they are compllemented by a lib of
>> > spice models.
>>
>> As you know, the primary issue here is legal,
>
> I firmly believe, that it is possible to assemble generic models that can
> be tuned according to data sheet parameters. These may not be the most
> efficient, or the most realistic models. But they can provide a starting
> point and possibly a seed for better models.

This premiss is not going to fly. I have models from manufactures for
some analog parts where they bothered to build very large structures
in spice one transistor/diode at a time. There is just no way some one
bothering to model a circuit would want to turn that down in favor of
a generic model. While I can appreciate the importance of building a
totally open source library I just can not see investing this level of
time.

>> I'm also considering the
>> possibility of automating the fetch of a model from a URL.
>
> IMHO, it would be better to provide idealized open source models that
> can be modified and improved over time. Download of closed source models
> is just a band-aid.

To help new users understand spice better I could see building a few
heavy symbols of ideal parts into the standard gEDA suite library so
that they can see how that works.

> ---<)kaimartin(>---
> --
> Kai-Martin Knaak



-- 
Home
http://evanfoss.googlepages.com/
Work
http://forge.abcd.harvard.edu/gf/project/epl_engineering/wiki/

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