[PD-ot] project idea: ngspice for pd

[Hans-Christoph Steiner]

It sounds like an awesome idea.  I was recently chatting with Massimo  
Banzi, one of the Arduino creators, about the possibililty of  
creating a Pd-ish language for programming microcontrollers.  This  
seems like it would be the perfect compliment to the idea.  I  
forwarded this proposal to the Arduino crew to see if they are  
interested.

.hc


On May 6, 2006, at 6:48 PM, Christian Klippel wrote:

> hi all,
>
> after thinking a bit about the recent discussion re: electric  
> circuits in
> software, id like to share an idea and ask for help as well:
>
> there is an fine, open-sourced circuit emulator available:
> http://ngspice.sourceforge.net/
>
> my idea is to implement ngspice as a pd object, or, on the long  
> run, as a set
> of objects representing the parts. for a start i think it would be  
> sufficient
> to have a single object that loads a netlist. that netlist has to be
> generated in en external tool, preferably from the gEDA suite
> http://gnuwin.epfl.ch/apps/geda/
>
> after that it would be great to split up the rather big ngspice  
> package into
> serveral objects, and eventually integrating a way to use a pd  
> patch as a
> netlist source for it. that way, a circuit could be drawn as kind of
> subpatch.
>
> altough i have no idea yet about the performance, it should be  
> possible to run
> simpler circuits like oscillators and filter in realtime pretty  
> well. and i
> mean in a way that it can be used in a performance, and not just  
> "runs, but
> takes 90% cpu" .... ;)
>
> also i think that for the purpose of making it a pd object, some  
> things could
> be simplified regarding the math to calculate the net's. any math- 
> heads
> around that like to help with that? trading accuracy for speed, in  
> this case.
>
> what do you think? anyone like to participate in such a project?  
> for me alone
> that would be bit to much right now, but i think it would be a nice  
> thing to
> be able to emulate real synth/filter/etc. circuits in pd and mix  
> that with
> the realtime audio capabilities ....
>
> greets,
>
> chris
>
>
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