kicad-developers team mailing list archive

[Dick Hollenbeck <dick@xxxxxxxxxxx>]

On 12/16/2010 06:18 AM, Brian Sidebotham wrote:
> On 16 December 2010 02:31, Wayne Stambaugh <stambaughw@xxxxxxxxxxx> wrote:
>> On 12/15/2010 9:19 PM, Karl Schmidt wrote:
>>> On 12/15/2010 07:30 PM, Brian Sidebotham wrote:
>>>
>>>
>>>> When placing components such as passives (mainly R's and C's) you come
>>>> across the common problem that you draw the symbol either horizontally
>>>> or vertically. When you place the component it could be in one of four
>>>> orientations, but generally it's either 0deg rot (horizontal) or 90deg
>>>> rot (vertical).
>>> This is called Schematic symbol alternatives - usually you only need 2
>>> versions (bridge circuits need a 45 makes 3 versions) - most CAD systems
>>> have this - and its nice.  I added this to my wiki's wish list.
>> This would this not be a feature in the schematic capture program?  An
>> excellent idea but I don't see it as a requirement of the part file or
>> the part file editor.
>>
>> Wayne
> It does need a way of telling the schematic capture how to choose a
> look for a component. However, I think the functionality is allowed
> for in the current spec already. The different versions can be
> alternatives, then it is down to the GUI design to make these
> alternatives easy to select on a per-component instance basis which
> I'm sure is possible, and if I remember rightly desired by Jean-Pierre
> for large logic designs too for selecting deMorgan.
>
> So I think this is already covered, I hadn't thought about using
> alternatives for this in the part spec. This also covers different
> pinouts for processors that are available in different packages.


Yes, maybe there is a way for "alternate like" keywords to assist in the dynamic
construction of [pop up or other kinds of] menus during part picking.

Dick



> The only thing not covered for me then would be one schematic pin to
> many footprint pins support. I can't see a nice way of doing that yet.
> It's only a nice-to-have anyway, and that's only my opinion which
> generally seems to differ from most others! ;)
>
> Thanks again for all the efforts, I'm really seeing Dick's vision of
> editing the source of the part in the editor as it's so easy to read
> and follow. Well Done All!
>
> Best Regards,
>
> Brian.
>
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