On 2014/10/21, 6:27 AM, Nathaniel Smith wrote: > On Tue, Oct 21, 2014 at 8:50 AM, Pierre Haessig > <pierre.haes...@crans.org> wrote: >> Hi, >> >> Matlab is now shipping with a new default colormap, named "parula" >> [1,2]. It is meant to overcome the many issues of the current default >> "jet". It seems that the RGB values of this new colormap are already >> onnline [3]. >> >> So my question is: >> * is it worth adding this parula in the Matplotlib colormap collection ? >> (I think it is) >> * is there any copyright issue with that ? (I have no idea how >> copyrightable a list of numbers is !) > > The general rule is that copyright requires "creative expression". > This is a pretty marginal case at best, since that the colormap > appears to have been derived by solving an optimization problem, but > worst case we could always re-solve that optimization problem > ourselves. (I've played before with using CAM02-UCS to automatically > generate perceptually uniform colormaps - it's not terribly difficult > to do.) > > -n > There are additional considerations, such as working well for the most common form of color-blindness, providing as much resolution as possible, and being aesthetically pleasing to most people.
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