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List of the table of contents of this article:

• 1,casino plus free 100< A href='#What is geographic information system, briefly describe the composition of the system and its role in production and life' title='What is geographic information system, briefly describe the composition of the system and its role in production and life'>What is geographic information system, briefly describe the composition of the system and its role in production and life
• 2. What parts does What parts does GIS consist of? What are its basic functions?
• 3, What components does GIS include
• 4, Briefly describe geographic information The composition of the system and the main functions of each part

What is geographic information system? Briefly describe the composition of the system and its role in production and life

Geographic information system is mainly composed of five parts: hardware equipment; GIS software; geographical data; GIS personnel; application model.

Geographic information system is the intersection of multiple disciplines such as computer science, geography, surveying and cartography. It is a computer technology based on a geospatial database and uses geographical model analysis methods to provide a variety of spatial and dynamic geographical information in real time to serve geographical research and geographical decision-making. System.

○4 Spatial geographic data management is supported by the computer system, and conventional or specialized geographical analysis methods are simulated by computer programs, acting on spatial data, generating useful information, and completing tasks that are difficult for human beings to complete.

It is a technical system that collects, stores, manages, calculates, analyzes, displays and describes the relevant geographical distribution data in the entire or part of the earth's surface (including the atmosphere) space with the support of computer hardware and software systems.

Introduction: Geographic Information System (GIS) is a data management system with a professional form of information system space. Strictly speaking, this is a computer system that centralizes, stores, operates, and displays geographical reference information. For example, the data is identified according to its location in the database.

What parts does GIS consist of? What are its basic functions?

A practical geographical letterThe system should support functions such as spatial data acquisition, management, processing, analysis, modeling and display. Its basic components include the following four main parts: system hardware, system software, database system, system management and operators.

Computer hardware system Computer hardware system is a general term for actual physical devices in computer systems. It can be electronic, electrical, magnetic, mechanical and light components or devices, and is the physical shell of GIS. 2 Computer software system Computer software system refers to various necessary programs.

It is mainly composed of three parts: satellite constellation (space part), ground monitoring system (ground control part) and signal receiving system (user part), which can provide users with precise three-dimensional coordinates, speed and time. It is suitable for land, ocean, aviation and aerospace, and has global, all-weather, The characteristics of continuity and real-time.

What components does GIS include

1. GIS software is the core of the system , various operations used to perform GIS functions, including data input, processing, database management, spatial analysis and graphical user interface, etc. According to their functions, they are divided intoGIS professional software, database software and system management software, etc., as shown in Figure 10-4.

2. Personnel are the most important components of GIS. Developers must define various tasks executed in GIS and develop processing programs. Skilled operators can usually overcome the shortcomings of GIS software functions, but the opposite is not true.

3. The hardware configuration of GIS generally includes four parts: computer host, data input device, data storage device and data output device.

4. Geographic information system consists of five parts: hardware, software, data, personnel and methods. Hardware and software provide an environment for the construction of geographic information systems; data is an important content of GIS; methods provide solutions for GIS construction;Personnel are the key and active factors in system construction, which directly affect and coordinate several other components.

5. Geographic information system is composed of computer hardware system, computer software system, geospatial data and personnel. Geographic information system is sometimes called "geological information system". It is a specific and very important spatial information system.

Briely describe the composition of the geographic information system and the main functions of each part

Computer hardware system Computer hardware system is a general term for the actual physical device in the computer system, which can be electronic The, electrical, magnetic, mechanical and optical components or devices are the physical shells of GIS. 2 Computer software system Computer software system refers to various necessary programs.

Geographic information system mainly consists of five parts: hardware equipment; GIS software; geographical data; GIS personnel; application models.

A complete geographic information system is mainly composed of spatial data, system hardware and system software, which mainly applies technologies such as data acquisition, projection and coordinate system conversion, data modeling, spatial analysis, data display and data operation.

Geographic information system is composed of computer hardware system, computer software system, geospatial data and personnel. Geographic information system is sometimes called "geological information system". It is a specific and very important spatial information system.