On Tue, Jun 2, 2015 at 10:03 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.
It turns out that it's very difficult to go ~blue to anything like a red to ~white/yellow, while keeping to our other constraints (perceptual uniformity in both color and black-and-white). The problem is that red is way off in a corner of the sRGB color space -- basically anything near red but brighter takes you outside of sRGB. But you *must* get brighter at a constant rate, while you can only move away from the corner at a fixed speed, so you tend to overshoot... That said, if you want to play around with the editor tool, it's linked on the webpage :-). Drag to move spline control points, shift-click to add a control point, control-click to delete a control point, bottom bars let you set the min/max lightness, and click the colormap on the side to select which hue/saturation slice of color space you want the left pane to show. (The game is to keep the yellow dot inside the slice.) If it starts acting weird try tapping your modifier keys, sometimes that fixes things. > 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 I'm not on -users, but please do distribute the link far and wide to whoever you think might be interested! With, again, major bonus points for feedback on colorblindness-friendliness and readability under adverse display conditions like lousy projectors, since IMO at this point they're all pretty decent when viewed under optimal conditions. -n -- Nathaniel J. Smith -- http://vorpus.org ------------------------------------------------------------------------------ _______________________________________________ Matplotlib-devel mailing list Matplotlib-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-devel
