An introduction to Geographical Information Systems

被引：1

作者：

Mulik, SN ^{[1
]}

机构：

[1] L&T Informat Technol Ltd, Powai 400072, Mumbai, India

来源：

IETE TECHNICAL REVIEW | 1999年 / 16卷 / 5-6期

关键词：

D O I：

10.1080/02564602.1999.11416861

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Beginning with the discussion of what Is GIS, this article explains the concept of geographical data and spatial data models. Two software systems, viz computer-aided design and image processing have been identified as the close relatives of GIS and the similarities and differences between these systems and GIS are described. The operational functions of GIS are described under the categories of data Input, analysis, spatial query and data output. Various application areas of GIS along with specialized applications of GIS are discussed. Some of the GIS software packages have been mentioned, A brief view has been taken of the state of GIS In India and the article Is concluded.

引用

页码：419 / 424

页数：6

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