GIS

• GIS stands for geographical information systems
• A GIS is, effectively, a computer database system compatible of capturing studying analyzing and displaying geographical information from a vast variety of sources
• GIS (Geographical Information Systems) is essentially a way of representing multiple layers of digital information onto maps, e.g. satellite images, aerial photos, census tables, and written text.
• • GIS is used to store, retrieve, manipulate, analyse and display whatever combination of information is required – helping to reveal spatial patterns and interrelationships.
  • It helps decision-makers to visualise, plan for and respond to the challenges and opportunities created by urbanisation.