Python plotly legendgrouptitle_text 不作为 go.Scatter 参数

Question

我正在尝试使用 legendgrouptitle_text 在 python go.Scatter 上设置 legendgroup 标题，如 plotly doc 中所述:

• https://plotly.com/python/legend/
• https://plotly.com/python/reference/scatterpolar/#scatterpolar-legendgrouptitle

但是 go.Scatter 拒绝将其作为论点并提出其他不恰当的论点:

    Did you mean "legendgroup"?

    Bad property path:

    legendgrouptitle_text
    ^^^^^^^^^^^^^^^^

这是我尝试使用它的代码片段

traces.append(
    go.Scatter(
        x=X_1d,
        y=y_1d,
        name=', '.join(features_values),
        showlegend=True,
        line=dict(
            color=color,
            dash='solid',
            width=2,
        ),
        marker=dict(
            color=color,
            symbol='circle',
            size=marker_size,
        ),
        opacity=opacity,
        legendgroup='fixed_features',
        legendgrouptitle_text='[' + ', '.join(legend_features) + ']',
    )
)

提前致谢!

Answer 1

对我来说，这是一个直接的版本问题。这是 plotly 5.1.0 中的新功能。使用 5.0.0 时失败(如果升级后使用 Jupyter，还记得重新启动内核)

import numpy as np
import plotly.graph_objects as go

X_1d = np.linspace(0,5,20)
y_1d = np.random.uniform(5,10,20)
features_values =["hello","world"]
legend_features = ["foo","bar"]
color="red"
marker_size=3
opacity=.7

go.Figure(go.Scatter(
    x=X_1d,
    y=y_1d,
    name=", ".join(features_values),
    showlegend=True,
    line=dict(
        color=color,
        dash="solid",
        width=2,
    ),
    marker=dict(
        color=color,
        symbol="circle",
        size=marker_size,
    ),
    opacity=opacity,
    legendgroup="fixed_features",
    legendgrouptitle_text="[" + ", ".join(legend_features) + "]",
))