Map Graph/Statistical Graphics/

Thematic Map

Statistical graphics/Map graph/Thematic Map also known as graphical techniques, are information graphics in the field of statistics used to visualize quantitative data. It is especially designed to show a particular theme connected with a specific geographic area.

Edmond Halley

Star Chart

I686

John Snow

Thematic Map

1854

Parts of a Map

Labels

Legends/KeysTitle

Latitude and Longitude

Compass Rose

Title - The title explains the subject of the map and gives you an idea of what information the map conveys.

Compass Rose - The compass rose shows you directions on a map (cardinal

directions are north, south, east, and west) (intermediate directions are

northeast, northwest, southwest, and southeast).

Labels - Labels are words or phrases that explain features on the map.

Legend/Keys - A legend or key listsexplains the symbols and use of color on the map.

Latitude and Longitude – The Latitudes are imaginary lines that measure distance north or south of the equator and run from east to west on the map. And the Longitudes are the imaginary lines that measure distance east or west of the prime meridian and run from north to south on the map.

Scale - Shows the distance on the map compared to real earth measurement (1 = 30,000,000, 1 = 500 miles)