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ELK widget for Jupyter

Project description


Jupyter Widgets for interactive graphs powered by the Eclipse Layout Kernel (ELK).

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what can you do... ... with ipyelk
automatically lay out complex, nested data as diagrams
interactive activity/flow-chart diagrams
collapsible blocks
visual simulations


  • python >=3.7
  • jupyterlab >=1,<2 JupyterLab 2+ compatibility coming soon!
  • nodejs >=10,<14


ipyelk is distributed on conda-forge and PyPI.

ipyelk with conda (recommended)

conda can also install nodejs.

conda install -c conda-forge ipyelk jupyterlab=1 nodejs

ipyelk with pip

install nodejs with a package manager

pip install ipyelk jupyterlab=1

@jupyrdf/jupyter-elk with jupyter labextension install

@jupyrdf/jupyter-elk is distributed on npm, and relies on @jupyter-widgets/jupyterlab-manager.

jupyter labextension install @jupyter-widgets/jupyterlab-manager @jupyrdf/jupyter-elk


See CONTRIBUTING for a development install.

How it works

In your kernel, ipyelk:

In the browser, @jupyrdf/jupyter-elk:

  • ELK lays out the diagram in a WebWorker
  • sprotty draws the diagram as SVG
  • interaction information (like selection and hovering) are passed back to the browser


pip uninstall ipyelk
jupyter labextension uninstall @jupyrdf/jupyter-elk

Open Source

This work is licensed under the BSD-3-Clause License. It contains pieces derived from other works.

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