Geographic Information System
Introduction
Geographic Information System (GIS) is a computer based information system used to digitally represent and analyse the geographic features present on the Earth' surface and the events (non-spatial attributes linked to the geography under study) that taking place on it. The meaning to represent digitally is to convert analog (smooth line) into a digital form.
"Every object present on the Earth can be geo-referenced", is the fundamental key of associating any database to GIS. Here, term 'database' is a collection of information about things and their relationship to each other, and 'geo-referencing' refers to the location of a layer or coverage in space defined by the co-ordinate referencing system.
Work on GIS began in late 1950s, but first GIS software came only in late 1970s from the lab of the ESRI. Canada was the pioneer in the development of GIS as a result of innovations dating back to early 1960s. Much of the credit for the early development of GIS goes to Roger Tomilson. Evolution of GIS has transformed and revolutionized the ways in which planners, engineers, managers etc. conduct the database management and analysis.
Some Interesting Links:- Geographical Information Systems
An Introduction to GIS by U.S Geological Survey - An Introduction to GIS With Idrisi for Windows 2
- What is GIS ?
A complete compilation of information on GIS - GIS guide to Good Practice
A brief introduction to GIS and Archaeology - Geographical Information Systems
Geographical Information Systems as an Integrating Technology : Context, Concepts and Definitions - Introduction to GIS
A list of Introduction to GIS, relevant technologies, capabilities, applications of GIS, etc - Introduction to GIS
An Introduction to GIS using Maps - An Introduction to GIS in Real Estate
Gil Castle's final draft of the real estate column appearing in Real Estate Issues, August 1995 - An Introduction to GIS
An Introduction to GIS and Geospatial Data, Overview, Glossary and Acronyms by Kingston Centre for GIS, Kingston University - A Brief Introduction to GIS Technology
Enhancing Community Capacity to use Spatial Information
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