Flow Maps

Kazimierz (Casey) Zaniewski

Geography & Urban PlanningUniversity od Wisconsin-Oshkosh

Types of Flow Maps

Brief History of Flow Maps

Henry Harness (1837) Charles Minard (1863)

Flow Map: Curved Flow Lines

Flow Map: Straight Flow Lines

Shape of Flow Lines

Drawback of Flow MapsCan show limited amount of information

Distributitive Flow Map

Proportional Symbol Map

Flow and Proportional Symbol Maps

Radial Flow Map

Flow and Proportional Symbol Maps

Proportional Symbol Maps

Network Flow Map

Network Flow Map

Flow Map Collections

Flow Maps: American Atlas

Flow Maps: French Atlas

Well Designed Flow Maps

Poorly Designed Flow Map

Poorly and Well Designed Flow Maps

Flow Map in MapViewer

Flow Map Options in MapViewer

Flow Map in Cartes et Donnees

Flow Map Options in PhilCarto