lets_plot.guide_colorbar

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

Continuous color bar guide.

Parameters
barwidthfloat

Color bar width.

barheightfloat

Color bar height.

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

 1import numpy as np
 2from lets_plot import *
 3LetsPlot.setup_html()
 4n = 50
 5np.random.seed(42)
 6x = np.random.uniform(size=n)
 7y = np.random.uniform(size=n)
 8v = np.random.normal(size=n)
 9ggplot({'x': x, 'y': y, 'v': v}, aes('x', 'y')) + \
10    geom_point(aes(fill='v'), size=4, shape=21, color='black') + \
11    scale_fill_gradient2(low='red', mid='yellow', high='blue', \
12                         guide=guide_colorbar(nbin=8, barwidth=10))