Plotly 与谷歌合作的笔记本模式 [英] Plotly notebook mode with google colaboratory

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问题描述

I am am trying out colaboratory with plotly notebook mode - I open a new notebook, copy and paste the following simple example from plotly's documentation, but don't see an output. There is a large blank in the output space where the plot whould normally be.

This works fine in my local notebook (which is a newer version of plotly, but per their docs offline mode should work with the google colab version) Any ideas?

import plotly
from plotly.graph_objs import Scatter, Layout

plotly.offline.init_notebook_mode(connected=True)

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

解决方案

plotly version 4.x

As of version 4, plotly renderers know about Colab, so the following is sufficient to display a figure in both Colab and Jupyter (and other notebooks like Kaggle, Azure, nteract):

import plotly.graph_objects as go
fig = go.Figure( go.Scatter(x=[1,2,3], y=[1,3,2] ) )
fig.show()

plotly version 3.x

Here's an example showing the use of Plotly in Colab. (Plotly requires custom initialization.)

https://colab.research.google.com/notebook#fileId=14oudHx5e5r7hm1QcbZ24FVHXgVPD0k8f

You need to define this function:

def configure_plotly_browser_state():
  import IPython
  display(IPython.core.display.HTML('''
        <script src="/static/components/requirejs/require.js"></script>
        <script>
          requirejs.config({
            paths: {
              base: '/static/base',
              plotly: 'https://cdn.plot.ly/plotly-latest.min.js?noext',
            },
          });
        </script>
        '''))

And call it in each offline plotting cell:

configure_plotly_browser_state()

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