Colorbars

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Basics

• AstroML

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Plot Colorbar Only

• StackOverFlow

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Plot n Colorbars, 1 Plot

• How to Plot Only One Colorbar for Multiple Plot Using Matplotlib - jdhao's Blog
• Matplotlib Docs
• StackOverflow

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Colorbar Position

• Matplotlib Docs

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Scaling

cbar = plt.colorbar(pts,  fraction=0.046,)

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Normalizing

import matplotlib.colors as colors

boundaries = (0.0, 1.0)

# plot data
pts = ax.pcolor(
    X,Y,Z,
    norm=colors.Normalize(vmin=boundaries[0], vmax=boundaries[1])
    cmap='grays'
)

# plot colorbar
cbar = plt.colorbar(pts, ax=ax, extend='both')

Normalizations

• Log Scale
• Symmetric Log Scale

Resources

• Matplotlib Tutorial - ColorMap Norms
• Jake Vanderplas - Customizing Colorbars