Georeferencing
• ‘To georeference’ the act of assigninglocations to atoms of information
• Is essential in GIS, since all information must belinked to the Earth’s surface
• The method of georeferencing must be:
– Unique, linking information to exactly onelocation
– Shared, so different users understand themeaning of a georeference
– Persistent through time, so today’sgeoreferences are still meaningful tomorrow