Geographical Information Systems (GIS)


Geographical Information System


What is GIS?

Geographic Information Systems (GIS) store, analyse and visualize data for geographic positions on Earth’s surface. GIS is a computer-based tool that examines spatial relationships, patterns and trends. By connecting geography with data.

The 4 main ideas of GIS are:


·         Create geographic data.

·         Manage it in a database.

·         Analyse and find patterns.

·         Visualize it on a map.



Google Earth is by far the most used GIS application in the world. While many people use


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