The sample data that helped make this animation was based off of Oyster cards and the associated travelers:
https://vimeo.com/121462010
In the words of Captain Picard "quite hypnotic"
Wow, it doesn't peter out until after midnight?
Quote from: Thorin on March 19, 2015, 09:35:46 AM
Wow, it doesn't peter out until after midnight?
A'YUP
Like I say, look at Kings Cross it's a solid mass pretty much all day long