Linked brushing with HoloViz

holoviz_linked_brushing.py

# pip install panel==0.12.4 bokeh==2.4.0 holoviews==1.14.6 hvplot==0.7.3 shapely==1.7.1
# panel serve holoviz_linked_brushing.py --autoreload --show
import hvplot.pandas
import holoviews as hv
import panel as pn
from bokeh.sampledata.iris import flowers

pn.extension(sizing_mode="stretch_width")
hv.extension("bokeh")

accent_color = "#ff286e"

scatter = flowers.hvplot.scatter(
    x="sepal_length", y="sepal_width", c=accent_color, responsive=True, height=350
)
hist = flowers.hvplot.hist("petal_width", c=accent_color, responsive=True, height=350)

scatter.opts(size=10)

selection_linker = hv.selection.link_selections.instance()

scatter = selection_linker(scatter)
hist = selection_linker(hist)

scatter.opts(tools=["hover"], active_tools=["box_select"])
hist.opts(tools=["hover"], active_tools=["box_select"])

pn.template.FastListTemplate(
    site="Awesome Panel and HoloViews",
    title="Cross Filtering/ Linked Brushing",
    header_background=accent_color,
    main=[scatter, hist],
).servable()

For more inspiration see

• hvplot https://hvplot.holoviz.org/
• Holoviews: https://holoviews.org/
• Datashader: https://datashader.org/
• Panel: https://panel.holoviz.org/
• HoloViz Cross filtering video: https://www.youtube.com/watch?v=AmHz31GrvkA
• awesome-panel.org: https://awesome-panel.org/

cross-filter-panel.mp4