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))