MatPlotLib Perceptually Uniform Colormaps

Version 2.1.4 (735 ko) par Stephen23
MatPlotLib's default perceptually uniform colormap VIRIDIS and distinctive line ColorOrder TAB10
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Mise à jour 10 jan. 2024

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From MatPlotLib 2 and 3:
  • the default sequential colormap VIRIDIS (as well as INFERNO, MAGMA, and PLASMA).
  • the default line colororder TAB10 (as well as TAB20, TAB20B, and TAB20C).
  • the perceptually uniform cyclic colormaps TWILIGHT and TWILIGHT_SHIFTED
  • the colorblind-friendly sequential colormap CIVIDIS.
For MatPlotLib 2.0 new perceptually uniform colormaps were generated in the CAM02-UCS colorspace. The process is described here:
The default MatPlotLib colormap was changed to the newly created VIRIDIS, replacing the awful JET/RAINBOW, and the default line colororder changed to VEGA10 (note that the VEGA# colormaps were renamed TAB# in MatPlotLib 3), as described here:
The data are taken from:
COLORMAP Examples
%% Plot the scheme's RGB values:
rgbplot(viridis(256))
%% New colors for the COLORMAP example:
load spine
image(X)
colormap(viridis)
%% New colors for the SURF example:
[X,Y,Z] = peaks(30);
surfc(X,Y,Z)
colormap(viridis)
axis([-3,3,-3,3,-10,5])
Axes ColorOrder Examples
%% PLOT using matrices:
N = 10;
axes('ColorOrder',tab10(N),'NextPlot','replacechildren')
X = linspace(0,pi*3,1000);
Y = bsxfun(@(x,n)n*sin(x+2*n*pi/N), X(:), 1:N);
plot(X,Y, 'linewidth',4)
%% PLOT in a loop:
N = 10;
set(0,'DefaultAxesColorOrder',tab10(N))
X = linspace(0,pi*3,1000);
Y = bsxfun(@(x,n)n*sin(x+2*n*pi/N), X(:), 1:N);
for n = 1:N
ssplot(X(:),Y(:,n), 'linewidth',4);
hold all
end
%% LINE using matrices:
N = 10;
set(0,'DefaultAxesColorOrder',tab10(N))
X = linspace(0,pi*3,1000);
Y = bsxfun(@(x,n)n*cos(x+2*n*pi/N), X(:), 1:N);
line(X(:),Y)

Citation pour cette source

Stephen23 (2024). MatPlotLib Perceptually Uniform Colormaps (https://www.mathworks.com/matlabcentral/fileexchange/62729-matplotlib-perceptually-uniform-colormaps), MATLAB Central File Exchange. Récupéré le .

Compatibilité avec les versions de MATLAB
Créé avec R2010b
Compatible avec les versions R2009b et ultérieures
Plateformes compatibles
Windows macOS Linux
Catégories
En savoir plus sur Colormaps dans Help Center et MATLAB Answers

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Les versions qui utilisent la branche GitHub par défaut ne peuvent pas être téléchargées

Version Publié le Notes de version
2.1.4

* Documentation improvement.

2.1.3

* Update image aspect ratio

2.1.2

* Update image aspect ratio.

2.1.1

* Update image.

2.1.0

* Update to use HG2 default map length.
* Add TWILIGHT_SHIFTED

2.0.3

* Better overview image.

2.0.2

* Add error IDs.

2.0.1

Add YouTube link to description.

2.0.0

* Include colormaps CIVIDIS and TWILIGHT
* Rename VEGA* to TAB*, matching MatPlotLib 3

1.0.0.0

* Change blurb.
* Added image.