Re: gEDA-dev: Diode symbols in GSchem and PCB

[Peter Clifton <pcjc2-at-NOSPAMcam_dot_ac_dot_uk>]

On Thu, 2006-12-14 at 21:08 -0500, Stuart Brorson wrote:
[snip]

> This would overwrite the attribs of the pin located at 3300 1600 3600
> 1600.  In particular, it would overwrite pin 13, making it pin 15 in
> the schematic.
> 
> To effect this, gnetlist would just need to recognize that the pin at
> location 3300 1600 3600 1600 is being overridden by the attribs
> between the {}, and then build the correct netlist accordingly.
> Gschem would need to display the correct pinnumber also, meaning that
> the internal datastructure must support this overwriting.
> 
> 
> Or do we need to do something more involved?

At first glance, it seems that this does uniquely solve which pin is
being over-ridden, however you do have difficulties when a symbol is
updated externally. (.sym file changed)

When you re-load in gschem, there is no way to tell (other than guess)
where the pin you're over-riding is in the new symbol.

So I think pins really want to be over-ridden by a name, or number.
Something which won't change when editing the underlying symbol unless
the user wants to alter which pins are over-ridden.

Peter C.




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