lets_plot.guide_colorbar

lets_plot.guide_colorbar(barwidth=None, barheight=None, nbin=None)

Continuous color bar guide.

Parameters:

barwidthfloat

Color bar width in px.

barheightfloat

Color bar height in px.

nbinint

Number of bins in color bar.

Returns:

FeatureSpec

Color guide specification.

Notes

Color bar guide shows continuous color scales mapped onto values. Color bar is available with scale_fill and scale_color.

Examples

import numpy as np
from lets_plot import *
LetsPlot.setup_html()
n = 50
np.random.seed(42)
x = np.random.uniform(size=n)
y = np.random.uniform(size=n)
v = np.random.normal(size=n)
ggplot({'x': x, 'y': y, 'v': v}, aes('x', 'y')) + \
    geom_point(aes(fill='v'), size=4, shape=21, color='black') + \
    scale_fill_gradient2(low='red', mid='yellow', high='blue', \
                         guide=guide_colorbar(nbin=8, barwidth=10))