X-Authentication-Warning: delorie.com: mail set sender to geda-user-bounces using -f
X-Recipient: geda-user AT delorie DOT com
X-Original-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed;
        d=gmail.com; s=20120113;
        h=date:from:to:subject:message-id:in-reply-to:references:mime-version
         :content-type:content-transfer-encoding;
        bh=Q2spMf1H7n0qIs7rRbEq8aRz8HDKHh2bw4kF+NZXiI0=;
        b=wf+LpyXP3T6P7wpaGmf93CkZHMzIqiP0w8b9ioxhnxSUbxefOEjVZpQXuqmLMIxLuD
         re5M9y9d2mOhvgLImMaOU80vZhN8G9x7sxwfyRGn7+xjbHDTBixFINGn3B7zmbRSoYTv
         8XFVnYdkWxRqutwQV90mptAiYW7M0fuLreJu+JqFX2V9e8Zqea3C06OxT5ZR3XQWVtQz
         Rb/bTyPKn388dMKstoPNbmuourjMcgPt7gfvF3TramcJCMgMtH9svSiF61woJ0RftG+9
         KPzJB1fnU7wgARmjAKCD3QT+LyQOs430p4xWNFWdcEWwNMWwTfYwhUirNZwNAda/bjwb
         X7bA==
X-Received: by 10.152.23.103 with SMTP id l7mr26045740laf.50.1440516493361;
        Tue, 25 Aug 2015 08:28:13 -0700 (PDT)
Date: Tue, 25 Aug 2015 17:28:08 +0200
From: "Nicklas Karlsson (nicklas DOT karlsson17 AT gmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
To: geda-user AT delorie DOT com
Subject: Re: [geda-user] pcb file format (functions to walk thru by
 different properties)
Message-Id: <20150825172808.d641db0a1204c4e15aa925db@gmail.com>
In-Reply-To: <55DC831E.4050003@ecosensory.com>
References: <20150824223846 DOT 0ba61ba7 AT jive DOT levalinux DOT org>
	<20150825073746 DOT ed8c2694bf0f0798782c8afb AT gmail DOT com>
	<201508250546 DOT t7P5kK1F032165 AT envy DOT delorie DOT com>
	<55DC831E DOT 4050003 AT ecosensory DOT com>
X-Mailer: Sylpheed 3.5.0beta1 (GTK+ 2.24.25; x86_64-pc-linux-gnu)
Mime-Version: 1.0
Content-Type: text/plain; charset=US-ASCII
Content-Transfer-Encoding: 7bit
Reply-To: geda-user AT delorie DOT com
Errors-To: nobody AT delorie DOT com
X-Mailing-List: geda-user AT delorie DOT com
X-Unsubscribes-To: listserv AT delorie DOT com
Precedence: bulk

If you make instances local values is no problem, they are instantiated with default values which may be changed afterwards or changed back to default value, an update must however update all instances. If linking is used then there must be a method to override or all will be the same.


On Tue, 25 Aug 2015 10:00:46 -0500
John Griessen <john AT ecosensory DOT com> wrote:

> On 08/25/2015 12:46 AM, DJ Delorie wrote:
> > Another thing which might be useful is to store each footprint*once*
> > and refer to it for each element, but that means you'd need a way to
> > override individual parts of the footprint for each element, too.
> 
> Local overrides seem to muddle up the usefulness of placing instances in a hierarchy.
> Wouldn't it be better if locally overriding changes it from an instance to a new
> element made from copied traces and having its own unique name?