Jupyterlab widgets matplotlib. For longer tutorials, see our tutorials page.

Jupyterlab widgets matplotlib GUI neutral widgets # Widgets that are designed to work for any of the GUI backends. Jun 20, 2023 · I have updated a number of packages (the whole jupyter/jupyterlab/matplotlib stack) and now I’m not able to get interactive plots with matplotlib in JupyterLab. For this, we use matplotlib to create a plot with a fixed vertical scale and a grid. plot (x,y) plt. " message appears in JupyterLab? Asked 5 years, 7 months ago Modified 2 years, 2 months ago Viewed 8k times Nov 23, 2024 · Verifying Others Extensions: Sometimes, other JupyterLab extensions might be causing conflicts. figure() will trigger a display of the canvas automatically and outside of your layout. Any help would be much appreciated! %matplotlib inline import ipywidgets as widgets from IPython. Usage To enable the ipympl backend, simply use the matplotlib Jupyter magic Nov 13, 2025 · The root cause is often a missing or misconfigured `ipympl` extension—a critical bridge between Matplotlib and JupyterLab’s widget system. Did you run %pip install ipympl and then restart the kernel and refresh your browser? (Preferably shut down both JupyterLab and your browser and restart everything after that. com Jul 23, 2025 · This article shows how to create inline interactive plots in JupyterLab with Python-3 programming language. Widget-related errors in JupyterLab can occur due to version conflicts between IPyWidgets, jupyterlab-widgets, and issues with JupyterLab’s handling of interactive matplotlib plots. Any ideas? Aug 20, 2018 · You must put %matplotlib widget in the very beginning of the jupyterlab. x # Most of the time, installing ipywidgets automatically configures JupyterLab 3. Dec 20, 2023 · I have issues when using %matplotlib widget in JupyterLab Desktop First: When I run a df. May 3, 2018 · Well, there are verious minor glitches like except I put %matplotlib widget per cell with chart, say on restart, the first chart "accumulates" all the contents of all the charts in the notebook. Rebuilding the JupyterLab assets after installing Jupyter-Matplotlib is also a critical step to ensure proper widget integration. 0, use the appropriate command from the following list to install a compatible JupyterLab extension. # Clone the repo to your local environment # Change directory to the jupyterlab_widgets directory # Install package in development mode pip install -e . However, if you are working in a Jupyter notebook the ipympl backend then ipywidgets sliders will be used as the controls. To go beyond the basic interactivity that Matplotlib provides out of the box, we can add custom controls using the Jupyter Widgets library (Ipywidgets), which is a set of interactive browser controls (user interface widgets) that work in Jupyter Notebook and Jupyter lab. Before we proceed with the steps, let's understand some key concepts related to producing interactive Matplotlib plots in Jupyter Jul 2, 2019 · JupyterLab 1. See full list on towardsdatascience. I was trying to use %matplotlib widget to achieve interactivity in Jupiter Lab. 30 Leveraging the Jupyter interactive widgets framework, ipympl enables the interactive features of matplotlib in the Jupyter notebook and in JupyterLab. 3 enabled OK jupyterlab_pygments v0. Alternatively you can use %matplotlib widget which will have the same effect. x, use jupyter labextension install @jupyter-widgets/jupyterlab-manager@1. The ipywidgets package does this by depending on the jupyterlab_widgets package, which configures JupyterLab 3 to display and use widgets. 2w次，点赞14次，收藏40次。本文介绍了两种在JupyterLab中实现交互式绘图的方法，包括使用%matplotlibqt5及ipympl库，并展示了如何更改matplotlib中的字体设置，以便更好地展示中文。 For JupyterLab 1. We start with putting %matplotlib widget which specifies that we want an interactive matplotlib figure (which can be zoomed, panned and saved). sin(3*x) ax. 11. Basic Example # To activate the ipympl backend all you need to do is include the %matplotlib ipympl magic in the notebook. The figures show up, but not the widgets to zoom, pan, etc in the figure. Matplotlib Configuration There are two mechanisms for having matplotlib render directly inside a Jupyterlab window: Mar 13, 2020 · Hello, I try to plot interactively a simple plot through jupyterlab. For more detailed instructions see Installing. Jan 16, 2021 · It seems like you don’t have the matplotlib widget installed and built correctly. How to make the actual plot and widgets show up? %matplotlib Oct 12, 2023 · Error displaying widget 0 votes 2. js to build the extension package. Matplotlib makes easy things easy and hard things possible. If JupyterLab and the IPython kernel are installed in different environments (for example, separate environments are providing Nov 4, 2022 · Learn how to enable interactive, static and stand-alone window plots in Jupyter notebooks with the magic command %matplotlib. It will be updated in the next day or so. Reinstall the library by entering the following commands one at a time. Jul 23, 2025 · When working in a Jupyter Notebook environment, you can produce interactive Matplotlib plots that allow you to explore data and interact with the charts dynamically. 2 enabled X (python, jupyterlab_pygments) @jupyter-widgets/jupyterlab-manager v5. The below table provides a reference for which versions are compatible. Once installed by following the steps here: https://github. All of the widget controls move from being above the figure they Feb 24, 2021 · Here are some notes I've taken about using Jupyter Lab and its integrations with matplotlib. 1 For JupyterLab 2. show () Unfortunately, running that code produces the followin Jun 20, 2022 · I am having trouble finding a way to update a plot in real time with new data points while also having access to user input through widgets. Without using ioff # Here we will end up with the figure being displayed twice. # Link your development version of the extension with JupyterLab jupyter labextension develop . Using matplotlib with different backend requires the interactive widgets to be configured differently. pyplot as plt import numpy as np fig, ax = plt. Let's start using Matplotlib with Jun 9, 2022 · $ rmvirtualenv my_env $ mkvirtualenv --python=`which python` my_env [my_env] $ pip install -r requirements. Interactions with other widgets and layouting # When you want to embed the figure into a layout of other widgets you should call plt. Mar 31, 2020 · Putting widgets to use Making widgets and printing stuff is all well and good, but let’s do something slightly more useful and create a perfectly fake oscilloscope. figure () x = [1,2,3] y = [4,5,6] plt. For JupyterLab 0. Here is a quick example, the goal is to have the plot updating in real time and also be able to change the xlim of the plot using the slider widget. x or 4. In this blog, we’ll demystify this error, walk through step-by-step solutions, and share preventive measures to avoid it in the future. plot(x, y) [Open Browser Console for more detailed log - Double click to close this message] Failed to load model class 'MPLCanvasModel' from module Nov 27, 2017 · The plots are not displayed inline in notebooks when using matplotlib The plots appear completely blank. It wasn’t enough the quit and start again jupyterlab in the terminal, only after restarting the computer the plots finally worked Read more comments on GitHub > Installing in JupyterLab 3. How can I use %matplotlib widget in SageMaker jupyterlab environment? Thanks, “restart” was the critical instruction for me. 9 enabled OK (python, jupyterlab_widgets) The following extensions are outdated: jupyterlab_pygments Consider checking if an update is available for these packages. Here is the code I use to do so: %matplotlib widget plt. x to use widgets. Examples # For an overview of the plotting methods we provide, see Plot types This page contains example plots. ioff() before creating the figure otherwise plt. By the end of the article, the reader will be able to understand and create inline interactive plots with Matplotlib, Bokeh, and Plotly plotting libraries inside a Jupyter-Notebook (in JupyterLab) using Python-3 Interacting with other widgets # Changing a line plot with a slider # # When using the `widget` backend from ipympl, # fig. Can someone help me run either the matplotlib widget or any other easy way of plotting in Jupyterlab. Matplotlib is a comprehensive library for creating static, animated, and interactive visualizations in Python. 3k views Hi, I'm a TA in an undergraduate astronomy course, and we've been using these jupyterlab servers for the hands-on lectures. subplots() x = np. Jul 13, 2021 · They make the matplotlib output as a widget that you can pan or zoom. Jul 14, 2019 · I'm trying to install jupyter-matplotlib extension but can't make it work in a jupyterlab instance. Feb 29, 2024 · After following the installation procedure (pretty much the pip install ipympl) and using the %matplotlib widget magic, an attempt to show a plot produces the following error: [Open Browser Console for more detailed log - Double click to close this message] Failed to load model class 'MPLCanvasModel Apr 19, 2020 · why "Loading widget. Installation To enable ipywidgets support in JupyterLab 3. Leveraging the Jupyter interactive widgets framework, jupyter-matplotlib enables the interactive features of matplotlib in the Jupyter notebook and in Jupyterlab. In this article, we'll explore how to create such interactive plots using Matplotlib within Jupyter. If for some reason the library ins’t working as expected, you can run into problems. Installing ipywidgets automatically installs extensions for JupyterLab and Jupyter Notebook (the jupyterlab-widgets and widgetsnbextension packages). I am trying to generate an interactive plot that depends on widgets. 0. All of these widgets require you to predefine an Axes instance and pass that as the first parameter. Just curious - if you create a completely fresh environment with just lab and widgets installed, does it work? Interactive figures # When working with data, interactivity can be invaluable. The button won’t do anything it just placed For details and an initial compatibility table see the discussion on this Github issue. Nov 1, 2025 · Jupyter interactive widgets for JupyterLabJupyter Widgets JupyterLab Extension A JupyterLab extension for Jupyter/IPython widgets. plot() once, it works well, I can see the graph and the cursor, but when I run it again I only got <Axes: Jun 9, 2022 · This is probably a different issue than where you posted this. . Oct 9, 2025 · Matplotlib Jupyter Extensionipympl Leveraging the Jupyter interactive widgets framework, ipympl enables the interactive features of matplotlib in the Jupyter notebook and in JupyterLab. display Apr 15, 2022 · %matplotlib ipympl import matplotlib. Matplotlib doesn't try to be too smart with respect to layout -- you will have to figure out how wide and tall you want your Axes to be to accommodate your widget. x, use jupyter labextension install @jupyter-widgets/jupyterlab-manager@2 Contributing Development install Note: You will need Node. Feb 13, 2019 · Then restarted my jupyterlab kernel, but still have the same output. pi, 100) y = np. canvas is a proper Jupyter interactive widget, which can be embedded in # an ipywidgets layout. If JupyterLab and the IPython kernel are installed in different environments (for example, separate environments are providing Jul 12, 2025 · Using Anaconda Prompt To install Matplotlib, open the Anaconda Prompt and type: conda install matplotlib Importing Matplotlib Importing matplotlib in Jupyter Notebook is easy; you can use this command to do that: import matplotlib Using Matplotlib with Jupyter Notebook After the installation is completed. Here’s what I would do to verify the installation, and build jupyterlab extensions if that hasn’t happened yet. Installing in JupyterLab 3. The pan/zoom and mouse-location tools built into the Matplotlib GUI windows are often sufficient, but you can also use the event system to build customized data exploration tools. Latest versions of everything installed via pip. But the output plot and widgets only showed up as texts. Dec 18, 2020 · Only %matplotlib inline seems to work, but I do not like it as changing these plots is a pain. 3 JupyterLab extension providing HTML widgets copied from cf-post-staging / jupyterlab_widgets Conda Files Labels Badges Jun 7, 2024 · When doing a simple ‘import matplotlib’ in JuptyerLab, an “entry point name ‘inline’ duplicated” exception is thrown. Jun 10, 2022 · Reinstall jupyterlab_widgets jupyterlab_widgets is a library that helps Jupyter show widgets as program outputs. Mar 10, 2022 · Using and posting code with %matplotlib ipympl makes it clearer that the ipympl package is involved in all this in current JupyterLab and in Jupyter Notebook 7+ and tech using those components to support notebook features, like VSCode now does. Leveraging the Jupyter interactive widgets framework, ipympl enables the interactive features of matplotlib in the Jupyter notebook and in JupyterLab. linspace(0, 2*np. For longer tutorials, see our tutorials page. Temporarily disable them and check the functionality of ipywidgets. In most backends they will use the Matplotlib Slider and Radio button widgets. txt [my_env] $ jupyter lab build [my_env] $ jupyter lab Recently however, after these steps: My widgets all become non-functional. 2. Apr 2, 2024 · All that is required is to replace use of %matplotlib notebook with %matplotlib widget or %matplotlib ipympl (they are equivalent), which works on JupyterLab and Jupyter Notebook 7+. Testing in a New Environment: If issues persist, creating a fresh Jul 27, 2025 · 文章浏览阅读1. x: pip install jupyterlab_widgets Version compatibility Prior to JupyterLab 3. I can operate and interact with them, but the figures they control do not change at all. Compatibility Table # Not all versions of ipympl are compatible with different version of Jupyterlab or all versions of Matplotlib. Click on any image to see the full image and source code. I sought to remove my extensions so I used (jupyter lab clean --all) in both environments Then I uninstalled jupyterlab from my base and other environment using (conda uninstall jupyterlab) Then I reinstalled jupyterlab in my base environment (only) and reinstalled widgets in the environments I wanted to use This seemed to fix the issue and now I can interact with my figures in jupyterlab! I Nov 21, 2019 · The next thing I would do is use the browser debugger to put a breakpoint in the js source for the widget extension to make sure it was loading. You can change to %matplotlib inline in specific cell, and active %matplotlib widget again if needed. 0 has been released last friday and ipympl does not support it quite yet (although the master branch does). --overwrite # Rebuild extension Typescript source after making changes jlpm build Feb 21, 2025 · I'm trying to use ipywidgets in JupyterLab, but I'm getting the error: Error displaying widget Here's a minimal example that reproduces the issue: import ipywidgets Sep 15, 2023 · jupyter-matplotlib v0. Checking Compatibility: Refer to the official ipywidgets documentation for any compatibility notices or updates that might affect the functionality in your setup. Besides, the figure canvas element is a proper Jupyter interactive widget which can be positioned in interactive widget layouts. You can also find external resources and a FAQ in our user guide. Behind the scenes Notebook 7+ is built using the same framework as JupyterLab and so the same backend can be used for both. ) Then run your code with %matplotlib ipympl as the first cell with no other %matplotlib -containting lines? I cannot tell because you share a little snipper Oct 27, 2019 · %matplotlib widget not working in jupyter lab #148 Closed hasibzunair opened on Oct 27, 2019 In most backends they will use the Matplotlib Slider and Radio button widgets. com Dec 16, 2024 · I currently am not able to get interactive figures with matplotlib and ipympl, even in old notebooks in which it worked (using %matplotlib widget). The Jupyter Widgets project also maintains a plain HTML interface for embedding Jupyter Widgets on a webpage, and many other frontends support Jupyter Widgets. pip uninstall jupyterlab_widgets pip install jupyterlab_widgets Also read: How to fix ‘error: metadata-generation-failed’? Jul 23, 2025 · In this example, we plot a circle and provide interactive widgets to alter its linewidth, boundary color and radius. Priya Singh (Research Scientist, Computational Visualization Group). It assumes basic familiarity with JupyterLab/Jupyter Notebooks and Python-3. The problem I have is that when I change parameters using the slider, a new plot is done after the previous one, instead I would Interactive figures # Interactivity can be invaluable when exploring plots.