John Snow to identify the location of an outbreak of cholera.Text is not necessarily enlarged when zooming.

Although the earliest maps known are of the heavens, geographic maps of territory have a very long tradition and exist from ancient times.The map may also have layers which are partly raster graphics and partly vector graphics.

Software-based maps often allow the user to toggle decluttering between ON, OFF and auto as needed.Typical maps of the Arctic have 0 meridian towards the bottom of the page; maps of the Antarctic have the 0 meridian towards the top of the page.Diagrams such as schematic diagrams and Gantt charts and treemaps display logical relationships between items, rather than geographical relationships.