pydata-seattle-2017-bokeh-and-friends

PyData Seattle 2017 talk discussing Bokeh status as well as HoloViews and Datashader

Transcript

1. Bryan Van de Ven bryanv@continuum.io @bigreddot PyData Seattle 2017 Bokeh and Friends https://speakerdeck.com/bryanv/pydata-seattle-2017-bokeh-and-friends
2. No JavaScript Bokeh? https://bokeh.pydata.org/en/latest Interactive visualization, widgets, and tools For the browser, with or without a server Versatile and high-level graphics Streaming, dynamic, large data
3. No JavaScript No JavaScript Bokeh? https://bokeh.pydata.org/en/latest Interactive visualization, widgets, and tools For the browser, with or without a server Versatile and high-level graphics Streaming, dynamic, large data
4. Prologue
5. Prologue LOGO: Simple inputs, sophisticated outputs
6. Turtles All The Way Down
7. Turtles All The Way Down Note to self: future Bokeh app example idea
8. Prologue LOGO: Simple inputs, sophisticated outputs
9. Prologue LOGO: Simple inputs, sophisticated outputs Fractint: Making pictures from math
10. Fractals All The Way Down
11. Prologue LOGO: Simple inputs, sophisticated outputs Fractint: Making pictures from math
12. Prologue LOGO: Simple inputs, sophisticated outputs The Web?! mod_python and PIL Fractint: Making pictures from math
13. Prologue LOGO: Simple inputs, sophisticated outputs The Web?! mod_python and PIL VTK: My First OSS Fractint: Making pictures from math
14. Prologue LOGO: Simple inputs, sophisticated outputs The Web?! mod_python and PIL VTK: My First OSS Chaco: Interactive rich-client applications Fractint: Making pictures from math
16. Prologue LOGO: Simple inputs, sophisticated outputs The Web?! mod_python and PIL VTK: My First OSS Chaco: Interactive rich-client applications Fractint: Making pictures from math
17. Prologue LOGO: Simple inputs, sophisticated outputs The Web?! mod_python and PIL VTK: My First OSS Chaco: Interactive rich-client applications Conda: Users pay attention Fractint: Making pictures from math
18. Prologue LOGO: Simple inputs, sophisticated outputs The Web?! mod_python and PIL VTK: My First OSS Chaco: Interactive rich-client applications Conda: Users pay attention Bokeh: All of the above Fractint: Making pictures from math
20. Community Setting the Stage
21. Community Setting the Stage
22. Community Makes the Dream Work Luke Bryan Mateusz Havoc Peter Maggie Sarah New faces too: !!!
23. Bokeh Today
24. JavaScript / TypeScript API Today
25. JavaScript / TypeScript API Today http://bokeh.pydata.org/en/latest/docs/user_guide/bokehjs.html
26. Simple (to write) Apps for Data Science Today
27. Concentrate on your work Server
28. Concentrate on your work Completely written in Python, no HTML or CSS or “webapp” coding Server
29. Concentrate on your work Completely written in Python, no HTML or CSS or “webapp” coding Server Simple python scripts, no special classes of frameworks
30. Concentrate on your work Completely written in Python, no HTML or CSS or “webapp” coding Server Simple python scripts, no special classes of frameworks Useful for exploratory analysis or sharing and publishing
31. Concentrate on your work Completely written in Python, no HTML or CSS or “webapp” coding Server Simple python scripts, no special classes of frameworks Useful for exploratory analysis or sharing and publishing Automatically mirrors and synchronizes Python and browser state
32. Concentrate on your work Completely written in Python, no HTML or CSS or “webapp” coding Connect the full PyData stack to interactive web apps Server Simple python scripts, no special classes of frameworks Useful for exploratory analysis or sharing and publishing Automatically mirrors and synchronizes Python and browser state
33. Streaming Data Today Two new data source methods: .stream to append data incrementally to column ends .patch for random access updates anywhere
34. Custom Extensions Today http://bokeh.pydata.org/en/latest/docs/user_guide/extensions.html Python class interface JavaScript implementation Normal usage
35. Custom Extensions Today Add capability for…
36. Wrapping different widgets Custom Extensions Today Add capability for…
37. Wrapping different widgets Custom Extensions Today Add capability for… Adapting 3D JavaScript libraries
38. Wrapping different widgets Custom Extensions Today Add capability for… Adapting 3D JavaScript libraries Adding LaTeX labels
39. Wrapping different widgets Custom Extensions Today Add capability for… Adapting 3D JavaScript libraries Adding LaTeX labels Community doesn’t have to wait!
40. Putting It All Together Today
41. (For the Audio Detectives) Today
42. Not just for Python Today http://hafen.github.io/rbokeh Plays well with R ecosystem: HTMLwidget, RMarkdown…
43. Bokeh Tomorrow
44. To be continued…
45. To be continued… PNG/SVG export option
46. To be continued… PNG/SVG export option PNG/SVG export option (DONE)
47. To be continued… PNG/SVG export option Network/Graph rendering PNG/SVG export option (DONE)
48. To be continued… PNG/SVG export option Network/Graph rendering Binary Array Protocol PNG/SVG export option (DONE)
49. To be continued… PNG/SVG export option Network/Graph rendering Binary Array Protocol Better JupyterLab support PNG/SVG export option (DONE)
50. To be continued… PNG/SVG export option Network/Graph rendering Binary Array Protocol Better JupyterLab support Altair/VegaLite integration PNG/SVG export option (DONE)
51. To be continued… PNG/SVG export option Network/Graph rendering Binary Array Protocol Better JupyterLab support Altair/VegaLite integration Animations and transitions PNG/SVG export option (DONE)
52. To be continued… PNG/SVG export option Network/Graph rendering Binary Array Protocol Better JupyterLab support Altair/VegaLite integration Animations and transitions BokehJS as a first-class project PNG/SVG export option (DONE)
53. To be continued… PNG/SVG export option Network/Graph rendering Binary Array Protocol Better JupyterLab support Altair/VegaLite integration Animations and transitions BokehJS as a first-class project Expand WebGL capability PNG/SVG export option (DONE)
54. To be continued… 1.0 PNG/SVG export option Network/Graph rendering Binary Array Protocol Better JupyterLab support Altair/VegaLite integration Animations and transitions BokehJS as a first-class project Expand WebGL capability PNG/SVG export option (DONE)
55. Datashader
56. Billions and Billions… Today
57. Billions and Billions… Today (of problems plotting large datasets)
58. Billions and Billions… Today Overplotting (of problems plotting large datasets)
59. Billions and Billions… Today Overplotting (of problems plotting large datasets) Saturation
60. Billions and Billions… Today Overplotting (of problems plotting large datasets) Saturation Undersaturation
61. Billions and Billions… Today Overplotting (of problems plotting large datasets) Saturation Undersaturation Binning problems
62. Datashader Today http://datashader.readthedocs.io/en/latest/ Flexible, configurable pipeline for automatic rendering
63. Datashader Today http://datashader.readthedocs.io/en/latest/ Flexible, configurable pipeline for automatic rendering Solves problems of overplotting, underplotting, saturation
64. Datashader Today http://datashader.readthedocs.io/en/latest/ Flexible, configurable pipeline for automatic rendering Solves problems of overplotting, underplotting, saturation Mitigates binning problems by affording interactivity across large datasets
65. Datashader Today http://datashader.readthedocs.io/en/latest/ Flexible, configurable pipeline for automatic rendering Statistical transforms are a first-class aspect of visualization Solves problems of overplotting, underplotting, saturation Mitigates binning problems by affording interactivity across large datasets
66. Datashader Today http://datashader.readthedocs.io/en/latest/ An independent project under the Bokeh GitHub organization Flexible, configurable pipeline for automatic rendering Statistical transforms are a first-class aspect of visualization Solves problems of overplotting, underplotting, saturation Mitigates binning problems by affording interactivity across large datasets
67. Speaking of Dask Today http://dask.pydata.org/en/latest/
68. Speaking of Dask Today http://dask.pydata.org/en/latest/ A pure Python library for parallel and distributed computing
69. Speaking of Dask Today http://dask.pydata.org/en/latest/ A pure Python library for parallel and distributed computing Comes with a Bokeh app for monitoring performance of distributed tasks
70. Speaking of Dask Today http://dask.pydata.org/en/latest/ A pure Python library for parallel and distributed computing Comes with a Bokeh app for monitoring performance of distributed tasks “Invaluable for understanding and optimizing distributed computing performance.”
71. Speaking of Dask Today http://dask.pydata.org/en/latest/ A pure Python library for parallel and distributed computing Comes with a Bokeh app for monitoring performance of distributed tasks “Invaluable for understanding and optimizing distributed computing performance.” “It's not something for which I need to go out and find a web developer to help me with.”
72. HoloViews
73. Stop Plotting Your Data Today Holoviews aims to make data analysis and visualization seamless and simple. • Express what you want to do in very few lines of code • Focus on what you are trying to explore and convey, not on the process of plotting.
74. Stop Plotting Your Data Today Holoviews aims to make data analysis and visualization seamless and simple. • Express what you want to do in very few lines of code • Focus on what you are trying to explore and convey, not on the process of plotting.
75. Annotate Your Data Today
76. Compositional Layout Today
77. Slice and Dice Today
78. Easily Interact Today
79. Easily Interact Today
80. Easily Interact Today
81. Easily Interact Today
82. • Bokeh • GitHub: https://github.com/bokeh/bokeh • Documentation: http://bokeh.pydata.org/en/latest • Example Apps: https://demo.bokehplots.com • Mailing List: https://groups.google.com/a/continuum.io/forum/#!forum/bokeh • Gitter Chat: https://gitter.im/bokeh/bokeh • Datashader • GitHub: https://github.com/bokeh/datashader • Documentation: http://datashader.readthedocs.io/en/latest/ • HoloViews • GitHub https://github.com/ioam/holoviews • Documentation: http://holoviews.org Resources
83. Call to Action Install Bokeh, Datashader, and HoloViews and provide feedback • BSD license for everything (JS, Python, Server, Notebooks)
84. Call to Action Install Bokeh, Datashader, and HoloViews and provide feedback • BSD license for everything (JS, Python, Server, Notebooks) Get involved! (contribute code, examples, docs, support) • Hours/day is fixed, only more people can accelerate development
85. Call to Action Install Bokeh, Datashader, and HoloViews and provide feedback • BSD license for everything (JS, Python, Server, Notebooks) Engage us to work on custom apps and dashboards • Feedback helps the open source efforts Get involved! (contribute code, examples, docs, support) • Hours/day is fixed, only more people can accelerate development