Re: gEDA-user: Not mounted parts

[Tamas Szabo <sza2king@xxxxxxxxxxx>]

Thank you for the exhaustive answer!

/sza2

John Doty wrote:
> No, but there are lots of ways to do this. In some designs, I have a  
> gain adjustment resistor. In most cases it should be left out, so it  
> has "value=omit". Something like "value=330, not mounted" is  
> perfectly legal from the gschem/gnetlist perspective. What happens  
> down the road depends on your back end(s).
> 
> You are perfectly free to make up your own attributes. I have things  
> like "spec=25WVDC, X7R". List "spec" in your attribs file, and  
> "gnetlist -g bom" will pick it up. So, make up an "instructions"  
> attribute if you like.
> 
> Rough edges:
> 
> The tools complain about empty attribute strings, and make them  
> difficult to create. Why? An empty string is a perfectly good  
> attribute for some purposes.
> 
> Unknown attributes for a symbol instance show up as "unknown" in the  
> BOM. Sometimes this is wanted, others not, especially in the case of  
> custom attributes. This is another place where the project symbol  
> directory approach comes to the rescue, because your project's  
> symbols can contain defaults for your project's custom attributes,  
> saving you from having to attach one to every instance.
> 
> John Doty              Noqsi Aerospace, Ltd.
> http://www.noqsi.com/
> jpd@xxxxxxxxx
> 
> 
> 
> 
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> 
> 



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