Re: gEDA-user: Parts DB API

[John Griessen <john@xxxxxxxxxxxxxx>]

Peter TB Brett wrote:
> On Wednesday 19 December 2007 23:51:37 John Doty wrote:
The attribute value in the parts file then
>> overrides the value in the graphics, but the graphical properties of
>> the attribute still originate in the graphics.
> 
> For e.g. inductors, how do you make sure that the value show on the schematic 
> and the value of the part selected are actually in sync?

There's no automation of this, just libraries that are proven out.  If we could implement
some kind of BOM drc sanity checker that pointed out possible inconsistencies in part data
and the part value=330nH, it would be a EDA innovation I believe.

So, I don't think it's feasible to force schematic values from the part number/mfr info of the part selected
since part numbers are opaque in meaning often.  The value of e.g. inductors is just going to be
a field in the attrib list for a specific part.

So, value=330nH in the attrib list for a specific part  replaces value=320nH in the schematic
because of which symbol is selected when you do a "get data for heavying this symbol".

Can't think of any way to "make sure".

John G
-- 
Ecosensory   Austin TX
tinyOS devel on:  ubuntu Linux;   tinyOS v2.0.2;   telosb ecosens1


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