[PD] about data structures

[Chuckk Hubbard]

 I was thinking something like this.

Chuckk Hubbard ha scritto:
>
> > I agree that would be great.
> > Incidentally, have you considered using canvases to draw your envelope?
> >
>
> nope. I ca't imagine how...
> looking at the [cnv] help doesn't suggest me anything.
>
> however, this is what I did: http://xaero.ath.cx/cms/en/adsr-new.html
> it can be useful for graphing an ADSR, not for editing it.
>
> >
> > I appreciate recently added datastructs new features.
> >
> > however I think they still miss a big functionality:
> > often, to graphically represent a structure of data, are needed
> > various
> > type of calculations; it is pretty unuseful i.e. draw a polygon
> > with all
> > coordinates referred to 0,0 (object's center).
> >
> > in order to paint a simple adsr struct, in addition to the
> > template, I
> > have to create a "data-controller", which prepares *ALL* points of the
> > adsr-graph (e.g.: x1,y1,x2,y2,....), *NOT* only the a,d,s,r.
> >
> > i guess this feature has been requested many times, but, wouldn't be
> > better have the ability of making additions,subtractions,etc directly
> > inside the drawpolygon declaration?
> >
> > in that case, plotting that adsr line it's just:
> > [drawpolygon 0 900 0 0 a 100 (a+d) s (a+d+100) s (a+d+100+r) 0]
> >
> > what pd developers says about this?
> >
> > --
> > ciao
> > Federico
>
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