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Ordnance Survey – Great Britain's national mapping agency

GIS Files 1: Getting to grips with GIS

1.3: GIS = software + data . . . a formula for success (1)

Building Blocks

GIS Companies

Any successful example of GIS is based on two fundamental components:

1. the map data; and
2. the computer software to perform calculations and analysis.

There are many different organisations producing data for use in GIS; Ordnance Survey is just one of these. There is also a large industry in GIS software with hundreds of companies producing thousands of products. To find out more about some of these companies visit the Licensed Partner area.

To be a truly effective system, a GIS needs good software and good data. One without the other will not be productive. The other vital component is people. The GIS will only provide useful answers to problems if the user is able to ask the right questions and can interpret the results.

A GIS can be a simple desktop software package costing a few hundred pounds, running on a standalone PC. Alternatively a single system can involve a very large network of workstations and servers with many different software components costing millions of pounds.

The Licensed Partner Area

< 1.2: Introducing raster and vector (5) | 1.3: GIS = software + data (2) >

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