地理信息系统习题答案（Geographic information system exercises answer）.doc

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地理信息系统习题答案（Geographic information system exercises answer）.doc

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地理信息系统习题答案（Geographic information system exercises answer）

地理信息系统习题答案（Geographic information system exercises answer） The first chapter The concept of information? Information: with numbers, text, symbols, language and other media to express event, the phenomenon of the content, or the number of features, so as to provide people with new facts and knowledge about the real world, as the production, management and decision making. The definition and characteristics of geographic information? Geographic Information: refers to the characterization and the geographical environment natural elements related to the material quantity, quality, distribution, and related laws such as the numbers, text, images and graphics. The characteristics of geographic information: Spatial characteristics: Regional Attribute Timing characteristics: present situation The concept of geographical information system? Geographic information system is a system composed of computer hardware, software and different methods, the system is designed to support spatial data acquisition, management, processing, analysis, modeling and display, in order to solve the complex planning and management problems. Geography information system? The system hardware, system software, spatial data, applications, what are the basic functions of the application model of it? 1.GIS basic functions: data acquisition and editing 2.GIS basic functions: data storage and management 3.GIS basic functions of data processing and transformation 4.GIS basic functions of spatial analysis and statistics 5.GIS basic functions of product design and demonstration The basic functions of the 6.GIS - two development and programming According to your understanding of the geographic information system application and development prospect GIS: what are the development trend of regional planning, resource management, disaster monitoring, operational command, city infrastructure management, macro decision-making, social investigation and statistical analysis, transportation, environmental assessment