显示Bokeh交叉过滤器示例

from bokeh.layouts import gridplot
from bokeh.models import ColumnDataSource, CDSView, GroupFilter
from bokeh.plotting import figure, show
from bokeh.sampledata.autompg import data

# 创建数据源
source = ColumnDataSource(data)

# 创建交叉过滤器
filter1 = GroupFilter(column_name='origin', group='USA')
filter2 = GroupFilter(column_name='cyl', group=8)

# 创建视图
view1 = CDSView(source=source, filters=[filter1])
view2 = CDSView(source=source, filters=[filter2])

# 创建图表
p1 = figure(title='MPG vs. Horsepower (USA)', width=400, height=400)
p1.circle(x='horsepower', y='mpg', source=source, view=view1, color='red')

p2 = figure(title='MPG vs. Horsepower (8 Cylinders)', width=400, height=400)
p2.circle(x='horsepower', y='mpg', source=source, view=view2, color='blue')

# 组合图表
grid = gridplot([[p1, p2]])

# 显示图表
show(grid)