Re: [matplotlib-devel] RFC: candidates for a new default colormap

[Joe K. <jof...@gm...>]

Well that got horribly garbled somehow (and I hit send too early).  Let me
try that again:


​


On Thu, Jun 4, 2015 at 11:27 AM, Joe Kington <jof...@gm...> wrote:

> One other (admittedly very minor) consideration is how the colormaps look
> with shading applied.  To borrow from the hillshading example
> <http://matplotlib.org/devdocs/examples/specialty_plots/topographic_hillshading.html>
> :
>
> (The image appears to be too large to attatch. Try here: http://
> <http://www.geology.beer/images/hillshaded.png>www.geology.beer
> <http://www.geology.beer/images/hillshaded.png>/images/
> <http://www.geology.beer/images/hillshaded.png>hillshaded.png
> <http://www.geology.beer/images/hillshaded.png>)
> <http://www.geology.beer/images/hillshaded.png>
>
> I personally really like option D for a lot of reasons, but this is
> another reason to prefer it. Providing additional information through
> "shading" etc, still works quite well. Option C also does well in this
> particular test, though it appears too "washed out" for my tastes.
>
> At least to my eyes, options B fairs particularly poorly.  In B's case,
> the fact that the colormap runs towards black means that hillshading is
> difficult to distinguish from elevation changes.  A suffers from similar
> problems in this case, though they're much less severe.
>
> In my personal opinion: D >> A > C > B
>
> Cheers,
> -Joe
> Fun activity: watch all 6 videos in a row then watch the text on this
> email spin and spin. =P
>
> Gorgeous! Thanks Nathan!
>
> I hope this kills C dead. It clearly makes certain features of the
> simulation harder to spot.
>
> A great demo of the terribleness of jet, too: it looks like a huge mess.
>
> On Thu, Jun 4, 2015 at 5:42 PM, Nathan Goldbaum <nat...@gm...>
> wrote:
>
>>
>>
>> On Wed, Jun 3, 2015 at 5:17 PM, Stéfan van der Walt <st...@su...>
>> wrote:
>>
>>> On Wed, Jun 3, 2015 at 5:08 PM, Nathan Goldbaum <nat...@gm...>
>>> wrote:
>>> > I'm a big fan of option D.  So much so that when I needed to make a
>>> movie of
>>> > ony my galaxy simulations today I went ahead and used it:
>>> >
>>> > https://youtu.be/bnm554et0T8
>>>
>>> Beautiful!  How hard would it be to also do this for the other
>>> proposed colormaps?
>>>
>>
>> Thankfully you made it pretty easy to script this.
>>
>> jet: https://www.youtube.com/watch?v=dsvT5hImPmo
>>
>> parula: https://www.youtube.com/watch?v=8146CMi-OaQ
>>
>> option a: https://www.youtube.com/watch?v=IqvxuQSzWO4
>>
>> option b: https://www.youtube.com/watch?v=wa7bpV3XPV0
>>
>> option c: https://www.youtube.com/watch?v=3rHbq4jw1ew
>>
>> option d: https://www.youtube.com/watch?v=2_HiUXVNm2k
>>
>>
>>>
>>> Stéfan
>>>
>>>
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