[ase-users] Reverse color maps in ASE GUI?

[Michael Joseph Waters]

Hi all,

I'm curious, how does ASE populate the colormap list? Does it just import from Matplotlib? Does ASE need more or better color maps?

I'm bit of an advocate for colorimetrically designed colormaps. It might be worth exploring colorcet, cmocean, and CMasher.

links:
https://peterkovesi.com/projects/colourmaps/
https://matplotlib.org/cmocean/
https://cmasher.readthedocs.io/

Cheers,
-Mike

________________________________
From: ase-users-bounces at listserv.fysik.dtu.dk <ase-users-bounces at listserv.fysik.dtu.dk> on behalf of Andrew Logsdail via ase-users <ase-users at listserv.fysik.dtu.dk>
Sent: Wednesday, April 8, 2020 9:57 AM
To: ase-users at listserv.fysik.dtu.dk <ase-users at listserv.fysik.dtu.dk>
Subject: Re: [ase-users] Reverse color maps in ASE GUI?

Ignore this question - just realised I can reverse the limits i.e. min = +q, max = -q.

Apologies for spamming everyone…!

Andy

On 8 Apr 2020, at 15:56, Andrew Logsdail <LogsdailA at cardiff.ac.uk<mailto:LogsdailA at cardiff.ac.uk>> wrote:

Hi,

Is there a reason that reverse colour maps are disabled for coloring atoms in ASE GUI, as per this line: https://gitlab.com/ase/ase/-/blob/master/ase/gui/colors.py#L95<https://urldefense.com/v3/__https://eur03.safelinks.protection.outlook.com/?url=https*3A*2F*2Fgitlab.com*2Fase*2Fase*2F-*2Fblob*2Fmaster*2Fase*2Fgui*2Fcolors.py*23L95&data=02*7C01*7CLogsdailA*40cardiff.ac.uk*7Ce2bc681c315847454b0608d7dbccf96e*7Cbdb74b3095684856bdbf06759778fcbc*7C1*7C0*7C637219545718872420&sdata=nu1G3kZ5FipjflwIn6ZN*2FUpV0*2BAaMHR3RESAmXeh8ZU*3D&reserved=0__;JSUlJSUlJSUlJSUlJSUlJSUlJSUlJSU!!Dq0X2DkFhyF93HkjWTBQKhk!Afk6pJktvUMf0Cd04sTgDguMBK8z9ZQ5zDYkPGKAJFfG8-nEb_5_lrLKFFrb_LmBrloparryKvjA$>

In particular, I’d like to use the bwr (blue-white-red) in the traditional manner for +q and -q, but this would require the bwr_r colormap as the numerical limits are setup the opposite way round currently (i.e.-q to +q run blue to red); happy to edit source code if necessary, but wondered if there was a reason this wasn’t generally available.

Thanks in advance,

Andy

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—

Dr. Andrew Logsdail

School of Chemistry,
Cardiff University,
Main Building,
Park Pl,
Cardiff CF10 3AT

Yr Ysgol Cemeg,
Prifysgol Caerdydd,
Y Prif Adeilad,
Plas-y-Parc,
Caerdydd,
CF10 3AT

T/F: +44 2922 510 162
E: LogsdailA at cardiff.ac.uk<mailto:LogsdailA at cardiff.ac.uk>
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The University welcomes correspondence in Welsh or English.
Mae'r Brifysgol yn croesawu gohebiaeth yn Gymraeg neu'n Saesneg.

Please note: I sometimes work irregular hours. I don’t expect you to read, action or respond out of your normal work hours.

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