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Subject: | Re: [geda-user] gsch2pcb after refdes-renum? (If implemented syncronization detail) |
From: | "Edward Hennessy (ehennes AT sbcglobal DOT net) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com> |
In-Reply-To: | <86263A11-92E5-402B-95E5-5228B6FE1C65@noqsi.com> |
Date: | Wed, 9 Dec 2015 16:41:12 -0800 |
Message-Id: | <76D5DA43-C966-4881-AA72-B7BEEA74E1AA@sbcglobal.net> |
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> On Dec 8, 2015, at 11:01 PM, John Doty <jpd AT noqsi DOT com> wrote: > >> Perhaps gschem could assign an artificial or surrogate key to the symbol and store it in an attribute. > > And then what happens when you make a copy? For an artificial or surrogate key that identifies an instance of a symbol, something like: COPY ~~~~ 1. Copy objects to buffer 2. Assign a new identifier to symbols in the buffer CUT ~~~ 1. Copy objects to buffer 2. Remove objects from schematic PASTE ~~~~~ 1. Copy objects to schematic 2. Assign a new identifier to symbols in the buffer It would also be nice to have some surrogate key, that could be either artificial or natural to identify a part. For example, if there is more than one symbol to represent a 74HCT00, a refdes renumbering program could identify that all the instances belong to the same part, and assign slots properly. A natural key could be a company part number, but many don’t create company part numbers, so an artificial key may be better in this case. Ed
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