GIS Basics

Wise, Stephen

ISBN 10: 0415246512 / ISBN 13: 9780415246514

Editore: CRC, 2002

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Dati bibliografici

• Titolo: GIS Basics
• Editore: CRC
• Data di pubblicazione: 2002
• Lingua: Inglese
• ISBN 10: 0415246512
• ISBN 13: 9780415246514
• Rilegatura: Paperback
• Condizione: New

Descrizione articolo

Riassunto

Geographical Information Systems (GIS) are computer systems for storing, displaying and analyzing spatial data. The past twenty years have seen a rapid growth in their use in government, commerce and academia, and they can be used for managing a network of utilities, from handling census data through to planning the location of a new supermarket. But how do they work? Stephen Wise has been a regular contributor to GeoEurope and his 'Back to Basics' articles have provided a clear and simple introduction to the inner workings of GIS for a non-specialist audience. He now presents the original articles with new material and provides a new coverage of both major types of GIS: vector and raster systems. Undergraduates and professionals who wish to improve their knowledge of GIS should get a better understanding of how GIS operate in the way that they do, such as how spatial data is stored on a computer, how the different methods affect the capabilities of the GIS, how basic operations performed and how the choice of algorithm affects the speed of the system.

Contenuti

Introduction. Vector Data Structures. Vector Algorithms for Lines. Vector Algorithms for Areas. The Efficiency of Algorithms. Raster Data Structures. Raster Algorithms. Spatial Indexing. Data Structures for Surfaces. Algorithms for Surfaces. Data Structures and Algorithms for Networks. Conclusions. Glossary. Bibliography. Index.