Hey Pedro, Not sure I understand what you are after, but to bounce on Cesar (^^) there's a fit bezier node in ice, and also Bradley - master -Gabe explain how to build your own.
https://vimeo.com/11016782 https://vimeo.com/11079196 On Wed, Apr 13, 2016 at 2:52 PM, Cesar Saez <cesa...@gmail.com> wrote: > Hi, > > I think you are mixing up the U coordinate, also known as the "time" of > the cubic equation (or whatever you choose to go with) used under the hood, > with a linearly distributed points on a curve (basically a post process > done after the initial interpolation, length based instead of "time" based). > > So, if you want to get "percentages" based on the length you will have to > calculate it yourself on top of the existing interpolation given by > softimage curves, You basically take the full length, divide it in discrete > segments generating samples (corresponding to a known percentage) and remap > U values linear interpolating to the closest sample point, the more samples > the more precise the results will be (this is common practice, even > softimage uses internally an approximated approach to get the length of > curves by adding discrete segments). > > I think there's a linearly interpolated bezier compound in the examples > that can be used as inspiration of how to go about it (or was in rray.de?). > Although depending on the use case a custom node might provide a more > performant solution. > > Cheers! > > ------ > Softimage Mailing List. > To unsubscribe, send a mail to softimage-requ...@listproc.autodesk.com > with "unsubscribe" in the subject, and reply to confirm. >
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