Re: Re: Randomized gradient

["Tor Lillqvist" <tml@xxxxxx>]

> To be honest, I am a little disappointed. I really thought there would
> be a plugin or script-fu thingy already out there that would do this.

Well, there can't be scripts for everything. "random gradient" is a
fuzzy concept. A script would either have tons of parameters and it is
questionable whether people in general would understand many of them,
or it would be too simple for some users anyway.

The basic parameter is how many segments should the gradient consist
of? Clearly there is no self-evident upper limit for this, so the
number of segments in a "random" gradient can't simply be evenly
distributed between one and some limit. So what distribution to use?
Normal distribution? With what mean and variance? Or some other
distribution? Or should the number of segments be a fixed number
entered by the user, and then the rest of the parameters are chosen
randomly?

And similar argumentation can be done for all other parameters....
For each segment, one would have to select how to select the left and
right end colour, the blending function for the segment, the coloring
type for it. And for the end colours one would have to select the
randomisation parameters... Separately uniformly distributed R,G,B? Or
randomly picked from some more perceptually uniform colour space? Etc,
etc...

Have a look at GIMP's gradient editor some time and check what you can
do with it (right click) and imagine if all that should be randomized,
how to then set up the randomisation parameters for it all... How
would the UI look for a script that would take enough parameters to
randomise all that?

> I have a program called Ultra Fractal that is used to make fractal art
> and the ability to randomize the gradient is built in.

But what kind of gradient is it? What parameters (how many?) does it
actually randomise?

--tml

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