As I wrote, I think you just implement linear interpolation. Let the user
insert other objects in the chain to build their own
curve. To be specific about the example:
[hsl] <-- from 0 to 1
|
[recall $1(
|
[expr pow($f1-int($f1),2)+int($f1)]
|
[preset_hub]
>________________________________
> From: Ivica Ico Bukvic <i...@vt.edu>
>To: 'Jonathan Wilkes' <jancs...@yahoo.com>; 'flad chester'
><flad.ches...@gmail.com>; pd-list@iem.at
>Sent: Monday, October 1, 2012 8:17 AM
>Subject: RE: [PD] Preset system in pd?
>
>
>I thought you wanted values to interpolate between the origin and destination
>(making a curve over time). Finding a value between is trickier and may
>require some kind of implementation that belongs to preset_hub. Of course,
>then the question is how do you weigh such interpolation (or what function do
>you use?) and the next thing you know preset_hub has become expr and line and
>tons of other things in one, making it huge, redundant, and unwieldy to
>maintain. In other words, where do you draw the line? Will the linear
>interpolation be enough?
>
>
>From:Jonathan Wilkes [mailto:jancs...@yahoo.com]
>Sent: Sunday, September 30, 2012 11:43 PM
>To: Ivica Ico Bukvic; 'flad chester'; pd-list@iem.at
>Subject: Re: [PD] Preset system in pd?
>
>Hi Ivica,
> I don't understand how [line] could fill in for interpolation between
>states.
>
>On the other hand, I don't think you would actually need all the interpolation
>states that pattrstorage provides. If you just did linear interpolation by
>allowing
>to set the preset with a float (like 1.5) that is between two states, then the
>user
>could easily build all the interpolation schemes that pattrstorage's interp
>message
>provides simply by putting the necessary objects after [recall $1( . For
>example,
>if you want a quartic curve you'd just do [expr pow($f1-int($f1), 2)+int($f1)]
>and
>then feed that into preset_hub.
>
>That of course wouldn't work for more complex stuff like cubic interpolation,
>but that is conspicuously absent in pattrstorage, too.
>
>
>
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