Thanks everybody for your help. I finally made a patch using Gem, exactly the way I wanted it. What I was missing was Patrice's implementation for the sine curve. I've attached my final patch.
Cheers


On Fri, Apr 5, 2013 at 12:36 AM, Jonathan Wilkes <jancsika@yahoo.com> wrote:
Btw-- I just uploaded a patch that adds [drawoval], [filledoval],
[drawrectangle], and [filledrectangle] to data structure
drawing instructions.  This way you can just specify a pair
of bounding box coords and let tk draw the circle, rather than
simulating one with a polygon with lots of sides. :)

-Jonathan



----- Original Message -----
> From: Orm Finnendahl <o.finnendahl@inm.mh-freiburg.de>
> To: pd-list@iem.at
> Cc:
> Sent: Wednesday, April 3, 2013 12:01 PM
> Subject: Re: [PD] Drawing a sine function dynamically in Gem
>
> Hi Alexandros,
>
> attached is an example to do this with vanilla pd using datastructs
> instead of GEM.
>
> You'll have to save both files (sine-wave-sub.pd and sine-wave.pd)
> under these names in the same folder and open up sine-wave.pd. The
> animation should start right away...
>
> Is that what you were looking for?
>
> --
> Orm
>
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