[PD] pdp usage questions

[Mathieu Bouchard]

On Sun, 30 Oct 2005, james tittle wrote:

> ...similarly, some objects accept a [chanmask $1< message, but it's not always
> clear which ones:  I assumed that chanmask 1/2/3 corresponded to Y/U/V, but
> then I came across an example with chanmask 4, so what do these actually
> represent?

Not having tried it, I would guess that 1,2,4 corresponded to Y,U,V, 
in order for 3,5,6,7 to correspond to YU,YV,UV,YUV.

> ...is there an object that blends the Y from one packet with the CrCb from
> another?

just do [# * (1 0 0)] on one and [# * (0 1 1)] and then add them together
with [# +]. Oh - you mean with PDP! well, it's surely easy with PDP too.

____________________________________________________________________
Mathieu Bouchard - tél:+1.514.383.3801 - http://artengine.ca/matju
Freelance Digital Arts Engineer, Montréal QC Canada