我尝试实现Bokeh交互式图例,以过滤基于用户选择绘制的数据。我需要一些帮助来确定我的代码出了什么问题;我得到了每种用途的一些标志符号,它们的颜色不同(请参见下面的图像)。
#Import libraries
from bokeh.io import output_notebook, show
from bokeh.models.sources import ColumnDataSource
from bokeh.plotting import figure
from bokeh.palettes import Category20_20
import pandas as pd
output_notebook()
#Create the dataframe
df = pd.DataFrame({'Index': ['9', '10', '11', '12', '13'],
'Size': ['25', '15', '28', '43', '18'],
'X': ['751', '673', '542', '362', '224'],
'Y': ['758', '616', '287', '303', '297'],
'User': ['u1', 'u1', 'u2', 'u2', 'u2'],
'Location': ['A', 'B', 'C', 'C', 'D'],
})
# Create plot
p = figure(plot_width=450, plot_height=450)
p.title.text = 'Title....'
users=list(set(df['User']))
size=df['Size']
for data, name, color in zip(df, users, Category20_20):
p.circle(x=df['X'], y=df['Y'], size=size, color=color, alpha=0.8, legend=name)
p.legend.location = "top_left"
p.legend.click_policy="hide"
show(p)
在此循环中
for data, name, color in zip(df, users, Category20_20):
p.circle(x=df['X'], y=df['Y'], size=size, color=color, alpha=0.8, legend=name)
您是:
zip
在最短的集合处停止)data
p.circle
,表示您有两组具有完全相同的坐标和大小的圆legend
关键字相反,请尝试此:
users=list(set(df['User']))
for name, color in zip(users, Category20_20):
user_df = df[df['User'] == name]
p.circle(x=user_df['X'], y=user_df['Y'], size=user_df['Size'],
color=color, alpha=0.8, legend_label=name)