[英]How to combine .add_annotation and go.Layout in plotly?
[英]python- problem with fig.add_shape and add_annotation
我寫了這段代碼,但它沒有給我想要的解決方案。 誰能幫助我並告訴我我犯了什么錯誤?
代碼:
fig=px.line(df_italy,x='Date',y='infection_rate_italy')
fig.add_shape(
dict(
`enter code here`type="line",
x0=italy_lockdown_start_date,
y0=0,
x1=italy_lockdown_start_date,
y1=df_italy['infection_rate_italy'].max(),
line=dict(color='red',width=2)
)
)
fig.add_annotation(
dict(
x= italy_lockdown_start_date,
y=df_italy['infection_rate_italy'].max(),
text='starting date of lockdown'
)
)
fig.show()
我的輸出:
我感興趣的輸出是:
我會在繪制原始行時添加hovertext(遵循https://plotly.com/python/hover-text-and-formatting/ )
fig = px.Figure()
fig.add_trace(go.Scatter(
x=df['date'], # pls, modify accordingly
y=df['n_cases'], # pls modify accordingly
hovertemplate= "<b>%{text}</b><br><br>" +
"Date: %{x|%Y/%m/%d}<br>" +
"Infection rate: %{y:.0%}<br>" +
"Population: %{marker.size:,}" +
"<extra></extra>"
))
豎線部分:
fig=px.line(df_italy,x='Date',y='infection_rate_italy')
fig.add_trace(go.Scatter(
x=[italy_lockdown_start_date, italy_lockdown_start_date],
y=[0, df_italy['infection_rate_italy'].max()],
mode="lines",
line=go.scatter.Line(color="red"),
showlegend=False))
fig.add_annotation(
dict(
x= italy_lockdown_start_date,
y=df_italy['infection_rate_italy'].max(),
text='starting date of lockdown'
)
)
fig.show()
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