Global Brightness

CODE: GitHub
DATATYPE: image slices
SOURCE: Twitter
YEARS: 2012, 2014
SIZE: 32,860,914
SUBSET: top 64 cities
VIZTYPE: glyph slopegraph
FEATURES: brightness
FEAT SRC: numpy
PROJECT: Visual Earth

This is a glyph slopegraph that depicts the change between 2012 and 2014 across ten brightness bins of Twitter image slices from 64 global cities. The brightness of each line represents the brightness of slices in that bin. We see that the brightest slices have increased relative to the rest.