[Matplotlib-users] viridis colormap model

[Carnë Draug]

On 1 October 2015 at 19:46, Nathan Goldbaum <nathan12343 at gmail.com> wrote:
> On Thu, Oct 1, 2015 at 1:42 PM, Carnë Draug <carandraug at octave.org> wrote:
>>
>> Hi
>>
>> I saw the new default colormap viridis and I was wondering about the
>> function that was used to generated it.  Looking inside the source,
>> I only found hardcoded values for a 256 long colormap [1].
>>
>> I understand that I can interpolate this to get a colormap of any
>> length.  However, what I'm really trying to find is the function that
>> was used to generate those values in the first place.  I'm not so much
>> interested in the actual python code to do it, my interest is purely the
>> mathematical model behind it.
>>
>> Is this published anywhere?  If not, can anyone tell me where to find
>> the model?
>>
>> Thank you
>> Carnë
>>
>> [1]
>> https://github.com/matplotlib/matplotlib/blob/b9710e674878799f9b7279802291a3d245b36e08/lib/matplotlib/_cm_listed.py#L774
>
> The code used to generate all of the new colormaps is in these repositories:
>
> https://github.com/BIDS/colormap
> https://github.com/matplotlib/viscm
>
> See also the appendix at the bottom of this page:
>
> http://bids.github.io/colormap/
>
> As well as Stefan and Nathaniel's talk at this year's scipy:
>
> https://www.youtube.com/watch?v=xAoljeRJ3lU
>

Thank you.  This is exactly what I was looking for.

Carnë