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

[Michael Walter]

Dear Mike,


Am Mi., 8. Apr. 2020 um 17:57 Uhr schrieb Michael Joseph Waters via
ase-users <ase-users at listserv.fysik.dtu.dk>:

> Hi all,
>
> I'm curious, how does ASE populate the colormap list? Does it just import
> from Matplotlib?
>

Yes, that's how it is done in the moment, except the "old" colormap, which
is hardcoded as far as I remember.

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/
>

Please feel free to support these.

Regards,
Michael


> 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> 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$>
>
> In particular, I’d like to use the bwr (blue-white-red) in the traditional
> manner for +q and -q, but this would require the bwr_r colormap as the
> numerical limits are setup the opposite way round currently (i.e.-q to +q
> run blue to red); happy to edit source code if necessary, but wondered if
> there was a reason this wasn’t generally available.
>
> Thanks in advance,
>
> Andy
>
> —
>
> Dr. Andrew Logsdail
>
> School of Chemistry,
> Cardiff University,
> Main Building,
> Park Pl,
> Cardiff CF10 3AT
>
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>
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>
> The University welcomes correspondence in Welsh or English.
> Mae'r Brifysgol yn croesawu gohebiaeth yn Gymraeg neu'n Saesneg.
>
> *Please note: I sometimes work irregular hours. I don’t expect you
> to read, action or respond out of your normal work hours.*
>
>
>
> —
>
> Dr. Andrew Logsdail
>
> School of Chemistry,
> Cardiff University,
> Main Building,
> Park Pl,
> Cardiff CF10 3AT
>
> Yr Ysgol Cemeg,
> Prifysgol Caerdydd,
> Y Prif Adeilad,
> Plas-y-Parc,
> Caerdydd,
> CF10 3AT
>
> T/F: +44 2922 510 162
> E: LogsdailA at cardiff.ac.uk
> W: http://logsdail.github.io
> <https://urldefense.com/v3/__http://logsdail.github.io__;!!Dq0X2DkFhyF93HkjWTBQKhk!Afk6pJktvUMf0Cd04sTgDguMBK8z9ZQ5zDYkPGKAJFfG8-nEb_5_lrLKFFrb_LmBrlopahXgb6X4$>
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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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-- 
------------------------------------------
PD Dr Michael Walter
Addresses:
- Fraunhofer IWM, Wöhlerstrasse 11, D-79108 Freiburg i. Br., Germany
  Tel.: +49 761 5142 296
- FIT Freiburg Centre for Interactive Materials and Bioinspired
Technologies, Georges-Köhler-Allee 105, 79110 Freiburg, Germany
  Tel: +49 761 203 95072
email: Michael.Walter at fmf.uni-freiburg.de
www: http://www.functional-nanosystems.uni-freiburg.de/People/PDWalter/group
publications: http://scholar.google.com/citations?user=vlmryKEAAAAJ&hl=en
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