1. Home
  2. Electronic-photonic
  3. Radar technologies and their applications
  4. Geographic information systems: a tool for territorial management

  5. GIS functionalities

Article | REF: H7415 V2

Geographic information systems: a tool for territorial management

Authors: Pierre-Alain AYRAL, Sophie SAUVAGNARGUES

Publication date: May 10, 2021

You do not have access to this resource.
Click here to request your free trial access!

Already subscribed? Log in!

Français

3. GIS functionalities

GIS systems can be used to acquire, manage and store data, analyze it and finally render it.

3.1 Data acquisition

A GIS is capable of acquiring data from different sources and in different forms (databases, maps, images, etc.). This acquisition requires knowledge of the geographic location of the information. It can be carried out by input or integration.

Data capture involves converting paper maps into a computerized format by digitizing them. This digitizing operation is long, complex and costly. Today, it mainly concerns old paper maps. It can be carried out using digitizing tables (producing vector data) or scanners (producing raster data). In the past, IGN has digitized all its reference frames (from 1/10,000 to 1/2,500,000) throughout...

You do not have access to this resource.

Exclusive to subscribers. 97% yet to be discovered!

You do not have access to this resource.
Click here to request your free trial access!

Already subscribed? Log in!

The Ultimate Scientific and Technical Reference

A Comprehensive Knowledge Base, with over 1,200 authors and 100 scientific advisors
+ More than 10,000 articles and 1,000 how-to sheets, over 800 new or updated articles every year
From design to prototyping, right through to industrialization, the reference for securing the development of your industrial projects

This article is included in

Radar technologies and their applications

This offer includes:

Knowledge Base

Updated and enriched with articles validated by our scientific committees

Services

A set of exclusive tools to complement the resources

Practical Path

Operational and didactic, to guarantee the acquisition of transversal skills

Doc & Quiz

Interactive articles with quizzes, for constructive reading

Subscribe now!

Ongoing reading
GIS functionalities
Outline