https://github.com/urschrei/hovertube

TfL's rail lines, hovering, ghost-like in the sky above the city 👻
https://github.com/urschrei/hovertube

numtot rail spooky tfl

Last synced: 11 months ago
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TfL's rail lines, hovering, ghost-like in the sky above the city 👻

• Host: GitHub
• URL: https://github.com/urschrei/hovertube
• Owner: urschrei
• Created: 2018-10-23T13:05:00.000Z (over 7 years ago)
• Default Branch: master
• Last Pushed: 2025-01-11T21:19:31.000Z (over 1 year ago)
• Last Synced: 2025-04-13T22:11:32.488Z (about 1 year ago)
• Topics: numtot, rail, spooky, tfl
• Language: Jupyter Notebook
• Homepage: https://urschrei.github.io/hovertube
• Size: 19 MB
• Stars: 3
• Watchers: 2
• Forks: 1
• Open Issues: 8
• Metadata Files:
  • Readme: README.md

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README

          
![TfL lines](tube.png "TfL Lines Hovering Above London")

# Why Would You Do This?

Honestly, I have no idea.

## How

First, I grabbed former colleague Ollie O'Brien's [excellent source of data](https://github.com/oobrien/vis).  

Then, I post-processed the TfL GeoJSON he provides, because MapBox's filter expressions are annoying to use on nested arrays, and Mapbox Gl JS can only extrude Polygons, as opposed to LineStrings. You can see the notebook I used [here](process_lines.ipynb).

## Further Work

Who can say?

## Closing Thoughts

It's telling that it was easier to get TfL line data from a third party than from an official data store, isn't it?