Jon Mease

Projects

VegaFusion

I created VegaFusion, which provides serverside acceleration of the Vega visualization grammar.

Github

Website

Blog


Kaleido

Kaleido is a library for static image export of web-based visualization libraries with zero system dependencies.

Github

Website

Blog


RAPIDS Datashader

I integrated RAPIDS technologies into the Datashader Python library to enable GPU acceleration.

Github

Website

Blog

Video


Dash HoloViews

I developed the majority of the Plotly backend for the HoloViews Python library. Later, I added support for integrating interactive HoloViews visualizations into Dash apps.

Github

Website

Blog

Video


HoloViews Linked Brushing

I added the initial version of the link_selections function to HoloViews. This function automates the process of linking selection across a collection of HoloViews visualizations.

Github

Website


SpatialPandas

Spatialpandas is a Python library that provides Pandas and Dask extensions for vectorized spatial and geometric operations. It was originally developed to support distributed spatial indexing for the Datashader project.

Github


Plotly FigureWidget

I developed FigureWidget, which integrates Jupyter Widgets functionality into the core plotly Python library. This was released as part of plotly.py version 3.0.

Github

Website

Blog

Paper

Video


Datashader Quadmesh

I developed an API and the low-level algorithms to support rendering quadmesh and polygon glyphs in the Datashader python library.

Github

Website


Plotly Renderers Framework

I wrote the underlying plotly.py renderers framework which allows plotly figures to be displayed in a wide variety of contexts.

Github

Website

Blog


JupyterLab Chart Editor

I developed a JupyterLab extension for editing Plotly charts, based on the plotly React Chart Editor.

Github

Video


Plotly Themes

I added theming support to the plotly Python library.

Github

Website

Blog


Jupyter Dash

I developed Jupyter Dash to make it easy to develop Plotly Dash apps interactively from within Jupyter environments (e.g. classic Notebook, JupyterLab, Visual Studio Code notebooks, nteract, PyCharm notebooks, etc.).

Github

Blog


Databricks Dash

I developed Databricks Dash to make it easy to develop Plotly Dash apps interactively from within a Databricks notebook environment. This library is currently proprietary and included with Dash Enterprise.

Blog


Column/index enhancements in pandas and Dask

I contributed enhancements to the pandas and Dask open source projects to add support for performing sort, groupby, and merge operations on a combination of columns and index levels.

Github

Website


Okular Undo/Redo Support

I contributed Undo/Redo support to the open source Okular document viewer.

Github

Website