It's astonishing how many different opinions we have!

Anyway, first of all, a big thank you to Nathaniel and Stéfan for some
kick-ass work. I'm amazed at the perceptual delta results for Parula... 8-O
Good to know that MPL will not make the same mistake.

Second, my preferences:

A > B > C.

I particularly like that A ends on the white end of the spectrum, giving it
a "softer" look and a better gradation in grayscale. I'd discard C out of
hand because it doesn't span the full luminance range, which is measured by
the much lower total perceptual delta in grayscale mode.

I'd also discard Paul's vote out of hand since he voted for C. =P

Finally, here's a nice wikipedia article to tally the votes:
https://en.wikipedia.org/wiki/Condorcet_criterion

;)

Juan.

On Wed, Jun 3, 2015 at 3:03 PM, Paul Ivanov <p...@berkeley.edu> wrote:

> 1. C
> 2. B
> 3. A
>
> But I wouldn't call them aesthetic - the purple in there just looks off -
> I'd prefer something like hot, afmhot, or gist_heat - or variations on
> those.
>
> Since this thread is bound to get plenty of attention (I suggest getting
> feedback from -users, too), we would be remiss if we didn't point those who
> didn't already see the writeup of colormaps that  Kristen Thyng and
> colleagues did in the docs [1]. Also, I added a pointer to this thread over
> on #875 [2].
>
> 1. http://matplotlib.org/users/colormaps.html
> 2. https://github.com/matplotlib/matplotlib/issues/875
>
>
>
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