Urban Morphology · OSM Plate I

Which cities were drawn with a ruler?

Every street has a compass bearing. Pile up a city's streets — each weighted by its length — into thirty-six directional bins and the shape that emerges is a fingerprint: a tight cross for a planned grid, a near-circle for a city that grew organically. The major cities of Finland and Vietnam, ranked by an orientation-entropy order score.

Drawing roses…