下面是包含兩個數據集的例子,需要設置各個要成爲源。第一個按鈕只給你x和y =每個隨機數的列表。第二個按鈕然後從0到max(x),max(y)進行隨機採樣並繪製它。 希望能給你模板做你想做的事嗎?
import random
from bokeh.layouts import layout
from bokeh.io import curdoc
from bokeh.models.widgets import Button
from bokeh.plotting import figure, ColumnDataSource
""" widget updating function """
def update_button1():
# get random data on source 1
newdata = data_reform()
source1.data = newdata
def update_button2():
# allocates source 2 data to data 1
data = source1.data
newdata2 = expand_data(data)
source2.data = newdata2
""" create buttons and allocate call back functions """
button1 = Button(label="Press here to update source1", button_type="success")
button2 = Button(label="Press here to update source2 from source1 data",
button_type="success")
button1.on_click(update_button1)
button2.on_click(update_button2)
""" example functions that operate on our data """
def data_reform():
newdata = {'x':[random.randint(40,100)]*10, 'y':[random.randint(4,100)]*10}
return newdata
def expand_data(data):
max_x = max(data['x'])
max_y = max(data['y'])
if(max_x <20):
max_x = 20
if(max_y <20):
max_y = 20
data = {'x':random.sample(range(0,max_x),20),
'y':random.sample(range(0,max_y),20)}
return data
source1 = ColumnDataSource({'x':[40]*10,'y':[30]*10})
source2 = ColumnDataSource({'x':[0]*20,'y':[20]*20})
""" example plots to show data changing """
figure1 = figure(plot_width=250,
plot_height=200,
x_axis_label='x',
y_axis_label='y')
figure2 = figure(plot_width=250,
plot_height=200,
x_axis_label='x',
y_axis_label='y')
figure1.vbar(x='x', width=0.5, bottom=0,top='y',source=source1,
color="firebrick")
figure2.vbar(x='x', width=0.5, bottom=0,top='y',source=source2,
color="firebrick")
layout = layout([[figure1, figure2, button1, button2]])
curdoc().add_root(layout)
您可以提供這背後更多的代碼?但是,應該可以獲得一個小部件的價值並將其傳遞給另一個小部件。 – Anthonydouc
@Okonomiyaki,感謝您在過去幾天的幫助。在網上很難找到這些東西的好例子。當前版本的代碼在這裏: http://pastebin.com/b9Zs53jj 我無法將兩個輸入文件上傳到github,因爲它們太大了,但如果你需要它們,請告訴我。代碼中還有一個額外的文本框小部件,它目前不做任何事情,但將在未來 - 所以只是忽略它。再次感謝! – Kyle
如果我的答案對您有幫助並且是正確的,您是否可以讚揚並標記爲正確。謝謝 :) – Anthonydouc