66 Web Cartography: Map Design for Interactive and Mobile Devices
on different devices. Moreover, as discussed in previous chapters, most map
elements have now evolved into interactive graphical user interfaces (GUIs),
which means they do not necessarily take the same form, amount of space,
or style as their print predecessors—or even between different Web maps.
Screen Real Estate, Resolution, and the Pixel Problem
Three things will inevitably affect every Web map’s layout: (1) screen real
estate, (2) screen resolution, and (3) pixels per inch.
Screen Real Estate
Screen real estate refers to the amount of space you have to work with on
any screened device. You have a xed amount of space to show everything
you want to show. This is not so different ...