[Kst] Re: Unported kst1 dataobject plugins

[Brisset, Nicolas]

Hi Peter,

> binnedmap
> combine
> convert_time
> crosscorrelation_bruteforce
> discretizing_filters
> fits/kneefrequency_unweighted
> fits_nonlinear/exponential
> fits_nonlinear/gaussian
> fits_nonlinear/general_levenberg_marquardt
> fits_nonlinear/lorentzian
> lfidifference
> normalization
> planckUtils/latestDate
> reverse
> spectral_normalization
> trim

I don't know for the other dataobject plugins, but for the following two
here is what I can say:
- discretizing filters was an attempt at providing filters where you
give a numerator and denominator in the form of continuous polynoms, and
the plugin would discretize them. If I remember correctly, it is not
finished (we would need to compute zeroes and take them into account to
get accurate results). I'd say leave it in the kst1 source tree until
someone wants to finish it.
- general_levenberg_marquardt was inspired from xmgrace, which allows to
fit any expression. I actually looked at how qtiplot implements it (as
it also has it and is Qt-based) and adapted it to kst. It had some
issues, but it sometimes worked. As it allows fitting *any* function and
is therefore completely generic, I think it is *highly interesting*. We
should probably try to upgrade to a newer muparser version (or use kst's
integrated parser?), port it to kst2 and... make it work!

Nicolas



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