I like it, but perhaps we should condense it to one word for ease of
typing, how about "Redgauntlet"? It kind of feels appropriate (for
those who need an explanation of why, see
https://www.youtube.com/watch?v=_guKhYVr5vA).
On the colormap itself, it looks good apart from the fade into blue, my
eyes on this laptop monitor see a sharp gradient around 0.2 compared
with the more gradual gradient at the other end. Also I see constant
colour between 0 and 0.1, and between 0.9 and 1, with less change
between 0.8 to 0.9 then 0.1 and 0.2. Not sure if one causes an optical
illusion in the other or not.
Finally a bit confused as to what all the lines mean, any chance of some
annotation? Also I would find it helpful to see a version without the
big red line and what it looks like in practice (see the doc for the
test script).
Best,
OceanWolf
On 05/04/15 23:18, Olga Botvinnik wrote:
How about "pythonic sunset" ?
On Sun, Apr 5, 2015 at 2:01 PM Benjamin Root <ben.r...@ou.edu
<mailto:ben.r...@ou.edu>> wrote:
That is nice. The blue is a bit heavy, but that might be my
display. Now, how should we order it by default? I am used to
thinking of blues as lower values, and reds as higher. The yellow
at the end throws me off a bit, because I would think of it as a
"weaker" color. Maybe if it was more gold-like?
We should also start thinking of a snazzy name. BlRdYe probably
won't cut it.
Ben Root
On Apr 5, 2015 3:21 AM, "Nathaniel Smith" <n...@pobox.com
<mailto:n...@pobox.com>> wrote:
On Mon, Feb 23, 2015 at 10:46 AM, Eric Firing
<efir...@hawaii.edu <mailto:efir...@hawaii.edu>> wrote:
> On 2015/02/18 2:39 PM, Nathaniel Smith wrote:
>>
>> On Feb 16, 2015 3:39 PM, "Eric Firing" <efir...@hawaii.edu
<mailto:efir...@hawaii.edu>> wrote:
>>>
>>>
>>> On 2015/02/16 1:29 PM, Michael Waskom wrote:
>>>
>>>> Nathaniel's January 9 message in that thread (can't
figure out how to
>>>> link to it in the archives) had a suggestion that I
thought was very
>>>> promising, to do something similar to Parula but rotate
around the hue
>>>> circle the other direction so that the hues would go blue
- purple - red
>>>> - yellow. I don't think we've seen an example of exactly
what it would
>>>> look like, but I reckon it would be similar to the middle
colormap here
>>>>
>>>>
http://earthobservatory.nasa.gov/blogs/elegantfigures/files/2013/08/three_perceptual_palettes_618.png
>>>> (from the elegant figures block series linked above),
which I've always
>>>> found quite attractive.
>>>
>>>
>>> Certainly it can be considered--but we have to have a real
>>> implementation.
>>
>>
>> While I hate to promise vaporware, I actually was planning
to have a
>> go at implementing such a colormap in the next few weeks,
based on
>> optimizing the same set of parameters that viscm
visualizes... FWIW.
>
>
> It might be worth quite a bit--and the sooner, the better.
While it's taking longer than hoped, just to reassure you that
this
isn't total vaporware, here's a screenshot from the colormap
designer
that Stéfan van der Walt and I have been working on... still needs
fine-tuning (which at this point probably won't happen until
after I
get back from PyCon), but we like what we're seeing so far :-)
The colormap shown has, by construction, perfect lightness
linearity
and perfect perceptual uniformity, according to the
better-than-CIELAB
model used by the viscm tool I linked upthread.
--
Nathaniel J. Smith -- http://vorpus.org
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