Figure does not display LaTeX expressions in JupyterLab and Jupyter Notebook

There is an issue with rendering LaTeX titles in JupyterLab:

fig = go.Figure()
fig.add_scatter(y=[1,3,2], mode='lines+markers')
fig.layout.update(title='$\\text{Negative Log of Estimated Survivor Function}$', 
                  xaxis_title='$t$', yaxis_title='$-log(S(t))$',
                  height=600)
fig.show()

Does not actually display the titles:

And this is strange as earlier today it did work fine.

I have encountered other anomalies in JupyterLab, such as after restarting the session, one image elongates and stays like that.
Does not happen every time though.

Details

Plotly version: 4.0.0

Ubuntu 18.04.2

Here it is:

Sometimes it elongates and stays like that:

UPDATE 1:

I've just updated to 4.1.0 and now the LaTeX titles are displayed. But, the mentioned anomaly is still there.

UPDATE 2:

I have opened the notebook today again and the title disappears.

If it is of any help. here is what is displayed in the terminal:

Related to outstanding issues in #1243 (comment)

The only outstanding issue is that unlike the classic notebook, JupyterLab doesn't seem to load the global MathJax instance until it is needed by the markdown renderer.

and jupyter-widgets/ipywidgets#2253

Same here:
MVE:

Render markdown with latex (works), then:

import plotly.graph_objects as go
fig = go.Figure(
    data=go.Bar(y=[2,3,1]),
    layout={'title':'$a_b$'}
)
fig.show(config={'responsive':True});

Shows (notice no title):

Plotly: 4.14.3
JupyteLab: 3.0.12

I would like to solve this; any kind of initial help regarding at which code to look would be helpful. I briefly inspected the console and found MathJax in the window object. It does not seem related to #1243 or jupyter-widgets/ipywidgets#2253 since rendering markdown / loading ipywidgets and rendering latex before trying to render latex title in plotly does not solve the issue.

@LunarLanding

@LunarLanding
title is a dict:

import plotly.graph_objects as go
fig = go.Figure(
    data=go.Bar(y=[2,3,1]),
    layout={'title': {'text': '$a_b$', 
                      'x':0.5}})
fig.show(config={'responsive':True});

or you can avoid using dicts, as follows:

fig = go.Figure(go.Bar(y=[2,3,1]))
fig.update_layout(title_text='$a_b$', title_x=0.5)
fig.show(config={'responsive':True});

@LunarLanding

@LunarLanding
title is a dict:

import plotly.graph_objects as go
fig = go.Figure(
    data=go.Bar(y=[2,3,1]),
    layout={'title': {'text': '$a_b$', 
                      'x':0.5}})
fig.show(config={'responsive':True});

or you can avoid using dicts, as follows:

fig = go.Figure(go.Bar(y=[2,3,1]))
fig.update_layout(title_text='$a_b$', title_x=0.5)
fig.show(config={'responsive':True});

Latex with a dict does not work:

import plotly.graph_objects as go
fig = go.Figure(
    data=go.Bar(y=[2,3,1]),
    layout={'title': {'text':'$a_b$','x':.5}})
fig.show(config={'responsive':True});

Without latex, using title directly works, without latex (not the issue being discussed):

import plotly.graph_objects as go
fig = go.Figure(
    data=go.Bar(y=[2,3,1]),
    layout={'title': 'a'})
fig.show(config={'responsive':True});

I read only your post and did not notice that you are working with jupyterlab.
I checked it in Jupyter Notebook:

Thanks. This issue is specific to JupyterLab then; which is also what the original poster reported.

I can replicate the JupyterLab problem on my end also. The issue is likely to be within the interaction between the way jupyterlab_plotly extension renders Plotly.js figures within JupyterLab, and these problems tend to be pretty hard to debug but if you want to give it a shot, the source for the extension is here: https://github.com/plotly/plotly.py/tree/master/packages/javascript/jupyterlab-plotly

I'll add that the LaTeX information is not lost: rendering the same figure in a Dash app or in another context than JLab works (e.g. exporting a notebook to HTML), and in a pinch you can render it in JLab if you have Kaleido installed with fig.show("svg") (without interactivity, unfortunately)

I think the issue is that Mathjax is not by default present in the global namespace anymore, the same as in jupyter-widgets/ipywidgets#2253 which one extension worked around like this vidartf/phoila@2b7ddf0 .

If I run this before running the plotly cell, latex is rendered correctly.

from IPython.display import display,HTML
display(HTML("""
<script type="text/javascript" async
  src="https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.7/MathJax.js?config=config=TeX-AMS-MML_SVG">
</script>
"""))

Having it render without a kernel/rerunning cells is WIP, this error shows up on the browser console and on the output cell there's a text only FigureWidget=(...

Resize must be passed a displayed plot div element.

If instead of a FigureWidget I use a Figure, the figure renders on opening with jupyterlab.

If I reload the page, MathJax dissapears from the global namespace and latex is not rendered.

At this point, the workaround above + using only go.Figure and not FigureWidgets gets almost to right place.
I need to run in a different notebook the javascript that loads MathJax ( or via a user script in my browser), and then latex will load correctly. I did it via GreaseMonkey:

// ==UserScript==
// @name     jupyterlab_mathjax
// @version  1
// @grant    none
// @match http://localhost/
// ==/UserScript==
(function(d){
script = d.createElement('script');
script.type = 'text/javascript';
script.async = true;
script.onload = function(){
  // remote script has loaded
};
script.src = 'https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.7/MathJax.js?config=TeX-MML-AM_CHTML';
d.getElementsByTagName('head')[0].appendChild(script);
}(document));

Additionally, regarding size of the notebook, FigureWidget packs 3.6MB for ploty.js, while Figure refers to the jupyterlab extension. If I specify pio.renderers.default = 'jupyterlab', it's small again (83kB).

If I export the notebook to html, FigureWidget renders properly, Figure does not: only the static preview is shown, while FigureWidget updates to the dynamic javascript.
This with the 'jupyterlab' renderer. 'iframe_connected' does not survive page reloads.

Dealing with rather simple Latex I found a dependency on browser plotly/plotly.js#5374 (comment) ."Why do you use Edge? Plotly edge-case".

This was on: Firefox 93.0, Jupyterlab 3.2.0, plotly 5.3.1, python 3.9.7.

biopython                 1.79             py39h3811e60_0    conda-forge
bokeh                     2.4.1            py39hf3d152e_1    conda-forge
ipython                   7.28.0           py39hef51801_0    conda-forge
ipython_genutils          0.2.0                      py_1    conda-forge
ipywidgets                7.6.5              pyhd8ed1ab_0    conda-forge
jupyter-server-proxy      3.1.0              pyhd8ed1ab_0    conda-forge
jupyter_bokeh             3.0.2              pyhd8ed1ab_0    conda-forge
jupyter_client            7.0.3              pyhd8ed1ab_0    conda-forge
jupyter_core              4.8.1            py39hf3d152e_0    conda-forge
jupyter_server            1.11.0             pyhd8ed1ab_0    conda-forge
jupyterlab                3.2.0              pyhd8ed1ab_0    conda-forge
jupyterlab-mathjax3       4.2.2              pyhd8ed1ab_0    conda-forge
jupyterlab_execute_time   2.1.0              pyhd8ed1ab_0    conda-forge
jupyterlab_pygments       0.1.2              pyh9f0ad1d_0    conda-forge
jupyterlab_server         2.8.1              pyhd8ed1ab_0    conda-forge
jupyterlab_widgets        1.0.2              pyhd8ed1ab_0    conda-forge
mmtf-python               1.1.2                      py_0    conda-forge
msgpack-python            1.0.2            py39h1a9c180_1    conda-forge
panel                     0.12.4             pyhd8ed1ab_0    conda-forge
plotly                    5.3.1              pyhd8ed1ab_0    conda-forge
python                    3.9.7           hb7a2778_3_cpython    conda-forge
python-dateutil           2.8.2              pyhd8ed1ab_0    conda-forge
python-graphviz           0.17               pyhaef67bd_0    conda-forge
python-kaleido            0.2.1              pyhd8ed1ab_0    conda-forge
python-libarchive-c       3.1              py39hf3d152e_0    conda-forge
python-lmdb               0.99             py39he80948d_0    conda-forge
python-slugify            5.0.2              pyhd8ed1ab_0    conda-forge
python-utils              2.5.6              pyh44b312d_0    conda-forge
python_abi                3.9                      2_cp39    conda-forge

I found a solution that worked for me in the help documentation, changing the default renderer. I had the issue on multiple browsers. (https://plotly.com/python/renderers/)

The jupyterlab-plotly extension must be installed in the current environment. For conda, this is conda install -c conda-forge jupyterlab-plotly-extension.
Check the available renderers and ensure jupyterlab is available.
import plotly.io as pio
pio.renderers

Renderers configuration

Default renderer: 'jupyterlab'
Available renderers:
    ['plotly_mimetype', 'jupyterlab', 'nteract', 'vscode',
     'notebook', 'notebook_connected', 'kaggle', 'azure', 'colab',
     'cocalc', 'databricks', 'json', 'png', 'jpeg', 'jpg', 'svg',
     'pdf', 'browser', 'firefox', 'chrome', 'chromium', 'iframe',
     'iframe_connected', 'sphinx_gallery', 'sphinx_gallery_png']

Set the default renderer to jupyterlab.
pio.renderers.default = 'jupyterlab'

Confirmed in Jupyter Notebook 7 with Plotly 6.9.0 (plotly.js 3.7.0).

Though I am seeing the raw input text rather than an empty space.

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Figure does not display LaTeX expressions in JupyterLab and Jupyter Notebook #1740

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Figure does not display LaTeX expressions in JupyterLab and Jupyter Notebook #1740

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cnydw commented on Oct 23, 2019

LunarLanding commented on Mar 27, 2021

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