Plotly: Follow-up How to create sunburst subplot using graph_objects?

Question

tried the example in an earlier question but I cannot get it to "render" properly:

# imports
import pandas as pd
import plotly.graph_objects as go
import plotly.express as px

# data
df = pd.DataFrame({'BA':  ['BA1', 'BA2', 'BA3', 'BA4','BA2'],
                   'RS':   [12, 13,15, 20, 18],
                   'RC':    ['medium','medium', 'high','high','high'] })

# plotly express figure
fig = px.sunburst(df, path=["BA", "RC"])

fig.show()

# plotly graph_objects figure
fig2=go.Figure(go.Sunburst(
                labels=fig['data'][0]['labels'].tolist(),
                parents=fig['data'][0]['parents'].tolist(),
                            )
                )
fig2.show()

results in:

enter image description here enter image description here

What am I doing wrong? (i expected it to look like the first picture).. using conda + jupyter lab

Derek O · Accepted Answer · 2020-09-19 04:16:48Z

4

If you take a look at fig['data'], you will see that there is a field called ids which tells Plotly how to connect the parents to the labels. You need to specify this as a parameter as well.

EDIT: if you want to display values the same way as px.sunburst, you also need to include the parameter branchvalues='total'

# plotly graph_objects figure
fig2=go.Figure(go.Sunburst(
    branchvalues='total',
    ids=fig['data'][0]['ids'].tolist(),
    labels=fig['data'][0]['labels'].tolist(),
    parents=fig['data'][0]['parents'].tolist(),
    values=fig['data'][0]['values'].tolist()
    )
)
fig2.show()

edited Sep 19, 2020 at 4:16

answered Sep 16, 2020 at 1:31

Derek O

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4 Comments

Derek O Over a year ago

No problem, glad to have helped :)

kg75 Over a year ago

Derek, when adding the values (values=sbfig['data'][0]['values'].tolist()) then the rendering "breaks" again, what am I still not getting? :)

Derek O Over a year ago

That seems strange... I'll look into this when I have the chance!

Derek O Over a year ago

I think as a general rule, if you are trying to recreate a plotly fig, you should always look into fig['data'] to make sure you are including everything important. Include the parameter branchvalues='total' and you should get the expected sunburst chart.

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