London Twitter

CODE: GitHub
DATATYPE: image slices
SOURCE: Twitter
YEARS: 2012
SIZE: 1,112,175
SUBSET: London
VIZTYPE: polar histogram
FEATURES: time of week, brightness
FEAT SRC: Twitter, scikit-image
PROJECT: Visual Earth

This is a polar histogram of slices of images posted to Twitter in London in 2012. Slices are sorted by time of week on the angular axis, creating 7 peaks, and by brightness on the radial axis. Polar histograms are made more compact by the inverted design, with the base of each bin on the outer perimeter.