To indicate the route we made use of some of the theories from the book of Colin Ware ‘Visual Thinking for Design’. We implemented a basic pattern-defining mechanism to establish relationships between the graphical entities. We used an enclosing contour and a common color gradient region. By using a connecting contour people will recognize these visual patterns and relationships between the different components. (Chapter 3, p.58)
To indicate the highlight in the city center of
We have related our graphical objects, used to indicate different highlights in the center of