plotly 基本示例显示 jupyter 实验室中没有绘图 [英] plotly basic example shows no plot in jupyter lab

问题描述

我只是尝试在 jupyter notebook 中离线使用 plotly(使用 jupyter lab).docs 给出了这个例子:

I just tried to use plotly offline in a jupyter notebook (using jupyter lab). The docs gives this example:

import plotly
import plotly.graph_objs as go

plotly.offline.init_notebook_mode(connected=True)

plotly.offline.iplot({
    "data": [go.Scatter(x=[1, 2, 3, 4], y=[4, 3, 2, 1])],
    "layout": go.Layout(title="hello world")
})

我试过了，在 Edge 或 Firefox 中都没有显示图表.
在 notebook 中制作了一个输出单元格，但没有图表.

I tried it and there is no chart displayed, either in Edge or Firefox.
An output cell is made in the notebook, but there is no chart.

如果我使用 plotly.offline.plot 而不是 iplot，它会起作用.如果我使用传统的 jupyter notebook 而不是 jupyter lab，它就可以工作.

It works if I use plotly.offline.plot rather than iplot. It works if I use the traditional jupyter notebook rather than jupyter lab.

任何想法为什么它不显示?

Any ideas why it does not display?

这是情节版本 2.7.0.

It's plotly version 2.7.0.

推荐答案

你安装 Plotly JupyterLab 扩展了吗?没有它，它将无法内联工作.你可以在这里得到它:https://github.com/jupyterlab/jupyter-renderers/tree/master/packages/plotly-extension

Have you installed Plotly JupyterLab extension? It will not work inline without it. You can get it here: https://github.com/jupyterlab/jupyter-renderers/tree/master/packages/plotly-extension

或者直接通过终端安装:jupyter labextension install @jupyterlab/plotly-extension

or just install via terminal: jupyter labextension install @jupyterlab/plotly-extension

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