cartography
type: Concept
narrower: dot density maps

concepts
type: Collection
type: ConceptGroup
member: dot density maps

dot density maps
type: Concept
broader: cartography
definition: Dot density maps, or dot maps, portray the geographic distribution of discrete phenomena using an arrangement of identical point symbols, most commonly dots. The dot density technique dates to at least the 19th century and is today accepted as one of the primary techniques for representing geographic patterns. [Source: Encyclopedia of Geography; Dot Density Maps]