GIS is very flexible in the way it can hand this sort of data and most of the systems are modular where different modules can be added and upgraded. With a further query the primary schools can be coloured in bands of pupil numbers, and so on. Gilbert’s version (1958) of John Snow’s 1855 map of the Soho cholera outbreak showing the clusters of cholera cases in the London epidemic of 1854.įor example it is possible to query the table and only display the primary schools. Image taken from Wikimedia / The ultimate application of GIS in practice. The GIS allows to distinguish between these separate entities of information and perform tasks using this additional information. Every such row can now feature additional information such as the name of the school, the number of pupils and whether it is a nursery, primary, secondary school or a university. This is a list of Latitude longitude coordinates.
Get the data from the Guardian Data Blog for a real go at it with your GIS of choice. For example a data set contains points for all the locations of School buildings in London. This ins beside the geographic and geometric information an object can have any additional information associated. The idea behind a GIS is the linking of spatial content with table data. Only very few applications run on either cross platform or exclusively on the Mac. Traditionally Geographic Information System (GIS) have been exclusively run on the Windows platform.
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Cartographica – GIS for the Mac Platform – 01
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