Question

我在使用“散景”时遇到了麻烦。我正在彼此独立创建3个不同的图形和一个小部件工具。我需要使它们交互：单击2018/09/14获得图形p4，单击2018/09/15获得p5，单击2018/09/16获得p6。

import pandas as pd
import numpy as np 
from bokeh.layouts import widgetbox
from bokeh.models.widgets import Select
from bokeh.io import curdoc 
from bokeh.layouts import column 
from bokeh.models import ColumnDataSource 
from bokeh.plotting import figure 
from bokeh.layouts import row 
from random import random 
from bokeh.plotting import figure, curdoc
from bokeh.io import output_file, show, output_notebook

edges = np.array([ 0.  ,  0.05,  0.1 ,  0.15,  0.2 ,  0.25,  0.3 ,  0.35,  0.4 ,
    0.45,  0.5 ,  0.55,  0.6 ,  0.65,  0.7 ,  0.75,  0.8 ,  0.85,
    0.9 ,  0.95,  1.  ])
arr_hist = np.array([22,  8,  0,  1,  3,  4,  5,  3,  8,  7, 10, 12,  9,  3,  3,  7,  0,
    0,  3,  3])
arr_hist2 = np.array([69,  3,  2,  4,  8,  3,  2,  1,  1,  4,  1,  3,  2,  2,  4,  1,  0,
    1,  0,  0])
arr_hist3 = np.array([71, 10,  4,  2,  4,  2,  2,  0,  4,  1,  2,  0,  1,  0,  6,  2,  0,
    0,  0,  0])
a = {'distr': [arr_hist, arr_hist2, arr_hist3],'left': [edges[:-1], edges[:-1], edges[:-1]], 'right': [edges[1:], edges[1:], edges[1:]]}
a1=pd.DataFrame(data=a)
a2=a1.T
a2.columns=['2018/09/14','2018/09/15','2018/09/16']

####### p4 #########

p4 = figure(plot_height = 600, plot_width = 600, 
       title = 'Histogram 2018/09/14',
       x_axis_label = 'Occupancy (%)',y_axis_label = 'Counts')
p4.quad(bottom=0, top=a2['2018/09/14'][0], 
   left=a2['2018/09/14'][1], right=a2['2018/09/14'][2],
   fill_color='red', line_color='black')


####### p5 #########

p5 = figure(plot_height = 600, plot_width = 600, 
       title = 'Histogram 2018/09/15',
       x_axis_label = 'Occupancy (%)',y_axis_label = 'Counts')
p5.quad(bottom=0, top=a2['2018/09/15'][0], 
   left=a2['2018/09/15'][1], right=a2['2018/09/15'][2],
   fill_color='red', line_color='black')
#output_notebook()

####### p6 #########

p6 = figure(plot_height = 600, plot_width = 600, 
       title = 'Histogram 2018/09/16',
       x_axis_label = 'Occupancy (%)',y_axis_label = 'Counts')
p6.quad(bottom=0, top=a2['2018/09/16'][0], 
   left=a2['2018/09/16'][1], right=a2['2018/09/16'][2],
   fill_color='red', line_color='black')
#output_notebook()
dates = Select(title="Dates:", value="foo", options=[a2[a2.columns[0]].name,a2[a2.columns[1]].name,a2[a2.columns[2]].name])
show(row(widgetbox(dates, width=300), p4, p5, p6))
output_file("Histograms.html")

如何通过利用下拉菜单更新图形

0 个答案: