By the way tabread4c~ is not in Pd Extended, is it?
Roman Haefeli escribió:
On Mon, 2010-03-29 at 13:49 +0200, Matteo Sisti Sette wrote:
Claude wrote:
If you use [tabread4] to interpolate graphical parameters for animations, the discontinuities in the derivatives are really obvious.
[....]
But IMHO if you're doing piecewise cubic interpolation, it's a bit of a nonsense to have a cubic that goes through all 4 points when it's only being used between the inner-most 2 points
Well using 4 points to interpolate the curve that goes between the two inner points should guarantee the absence of discontinuities in the first (and second?) derivative; that should be the purpose. Now if there actually are discontinuities then there must be some trivial error in the equation, no????
Or am I missing something???
Check this thread: http://lists.puredata.info/pipermail/pd-list/2008-06/062878.html
Roman