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Article | REF: H7415 V2

Geographic information systems: a tool for territorial management

Authors: Pierre-Alain AYRAL, Sophie SAUVAGNARGUES

Publication date: May 10, 2021

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1. From paper maps to geomatics: GIS definitions

1.1 A brief history

In order to better assess the benefits of a geographic information system, we need to highlight the main drawbacks of paper mapping:

  • from a structural point of view, paper is not perfectly dimensionally stable;

  • the amount of information a map can contain is limited, mainly for reasons of legibility;

  • Once produced, the paper map is a fixed document, and it can even happen that maps are out of date as soon as they are published;

  • it is difficult to extract accurate information, especially given the eye's power of separation;

  • no quantitative analysis can be carried out between two thematic...

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