散景，条形图和折线图的组合 [英] Bokeh, combination of bar and line chart

问题描述

我试图在bokeh内的条形图上绘制一条线.我已经尝试过:

I am trying to plot a line on top of a bar chart within bokeh. I have tried:

p1 = figure()...

p1.renderer.append(Bar(...))
p1.renderer.append(Line(...))

show(p1)

到目前为止，我还没有运气.

So far I had no luck.

推荐答案

使用对于您的问题，我们可以使用line和rect.

For your question we can use line and rect.

from bokeh.plotting import figure, output_file, show
from bokeh.models.ranges import Range1d
import numpy


output_file("line_bar.html")

p = figure(plot_width=400, plot_height=400)

# add a line renderer
p.line([1, 2, 3, 4, 5], [6, 7, 6, 4, 5], line_width=2)

# setting bar values
h = numpy.array([2, 8, 5, 10, 7])

# Correcting the bottom position of the bars to be on the 0 line.
adj_h = h/2

# add bar renderer
p.rect(x=[1, 2, 3, 4, 5], y=adj_h, width=0.4, height=h, color="#CAB2D6")

# Setting the y  axis range   
p.y_range = Range1d(0, 12)

p.title = "Line and Bar"

show(p)

我们得到的情节:

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