Visual Variables in Cartography

This lecture introduces the concept of visual variables in cartography, explaining their properties and the relationships they convey. It covers the graphical system, visual structures, and interactions between them, emphasizing simplicity for easy understanding. The lecture also discusses the importance of color in map design, detailing hue, saturation, and brightness. It explores how color perception influences map effectiveness and provides insights on combining hue and value for better perceptual thresholds.