On Thu, Jan 30, 2014 at 6:36 PM, Charles Z Henry <[email protected]> wrote:
> That's the point I was making. By (x,y)->x I mean that you'd just use > the x (cosine table) for example. The easiest projection is to throw away > axes :) > > If you're making shapes as repeated paths in 2-D, then taking a projection > (along an axis x y or any rotation of x,y) will generate a signal that > makes sense and generalizes, creating simple sinusoids for circles and > complex tones for different shapes. > The pitch would vary by how fast the path is repeated, and the timbre > would vary according to the shape. The amplitude would vary by the size of > the shape. Those are simple rules--and may not be what you're interested > in--but it would be consistent. For example, using a square in it's normal > rotation and projecting along x or y alone, you'd get a "square wave". > > If you want to use a contribution from both of your axes, you can just sum > them together. (x+y)*sqrt(2)/2 is just a projection along the line x-y=0 > Can't really try it right now, but just to be sure, the last equation is to be interpreted like this: (x+y)*(sqrt(2)/2) or like this: ((x+y)*sqrt(2))/2?
_______________________________________________ [email protected] mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
