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Lesson Navigation IconWhat do we need to work with a GIS?

Unit Navigation IconGIS software: functionality

Unit Navigation IconGIS software: categories

Unit Navigation IconHardware

Unit Navigation IconSystem architecture

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Summary

  • The software functionality a GIS should offer can be grouped into functions for data capture, data management, data analysis, and representation.
  • Many different GIS exist and they cover a wide range of fields. They can be categorized as "General purpose GIS", "Internet GIS", "Desktop GIS", "CAD GIS", "Business Mapping", "GIS complenents", "Mobile GIS" and "Open source GIS" .
  • The hardware components required to run a GIS can be divided into four general categories according to specific tasks of the system: data acquisition, data management, data analysis, and data output and presentation.
  • A lot of GIS data and functionality is accessible over a network and many GIS applications offer ways to connect directly to the internet or a database server. These communications are made possible by the modular architectures of both the GIS application and the operating system.
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