Plotly 3D 绘图注释

Question

我正在尝试生成一个随机 3D 散点图，其中每个点都有一个标签。如何添加这些标签？我想将它们添加到黄色框内。

Answer 1

既然你是专门问如何

add them inside the yellow box

你并不是真的在问如何注释 3D 图表，否则你可以用 3D annotations, but really how to customize the hover info. If you're willing to use plotly.express 来做，你可以在 px.scatter_3D() 中使用 custom_data 来包含关于第四个的信息变量未显示在散点图中：

fig = px.scatter_3d(df, x='sepal_length', y='sepal_width', z='petal_width',
                        color='petal_length', size='petal_length', size_max=18,
                        symbol='species', opacity=0.7,
                        custom_data = ['category']
                   )

temp1 = fig.data[0].hovertemplate
fig.update_traces(hovertemplate = temp1 + '<br>' + "Category: %{customdata[0]}")

完整代码：

import plotly.express as px
df = px.data.iris()
category = {'setosa':'flower', 'versicolor': 'vegetable', 'virginica': 'not a flower'}
df['category'] = df['species'].map(category)
fig = px.scatter_3d(df, x='sepal_length', y='sepal_width', z='petal_width',
                        color='petal_length', size='petal_length', size_max=18,
                        symbol='species', opacity=0.7,
                        custom_data = ['category']
                   )

temp1 = fig.data[0].hovertemplate
fig.update_traces(hovertemplate = temp1 + '<br>' + "Category: %{customdata[0]}")

fig.update_layout(margin=dict(l=0, r=0, b=0, t=0))
fig.show()

Plotly 3D 绘图注释

Plotly 3D plot annotations

python

label

annotations

plotly

完整代码：