1、GIS Introduction,网络091第四次作业制作人：沈慧,A geographic information system (GIS) is a computer-based tool for mapping and analyzing geographic phenomenon that exist ,and events that occur ,on Earth.,地理信息系统（GIS）是一种基于计算机的工具，它可以对在地球上存在的地理现象和发生的事件进行成图和分析,GIS technology integrates（集成，整合） common database operation
2、s such as query and statistical analysis with the unique visualization and geographic analysis benefits offered by maps,GIS技术把地图这种独特的视觉化效果和地理分析功能与一般的数据库操作（例如查询和统计分析）集成在一起。,There abilities distinguish GIS from other information systems and make it valuable to a wide range of public and private enterp
3、rise for explaining events , predicting outcomes ,and planning strategies .,这种能力使GIS与其他信息系统相区别，从而使其在广泛的公众和私人企事业单位中解释事件、预测结果、规划战略等领域变得有价值。,Map making and geographic analysis are not new ,but a GIS performs these tasks faster and with more sophistication than do traditional manual methods.,地图制作和地理分析并不
4、新鲜，但一个地理信息系统执行这些任务比传统的手工方法更快和更复杂。,Today ,GIS is a multi-billion-dollar industry employing hundreds of thousands of people worldwide .,今天，地理信息系统是一个上亿美元的产业，雇用了全世界成千上万的人民。,GIS is taught in schools ,colleges ,and universities throughout the world .,世界各地的地理信息系统在学校，学院和大学被传授。,Professionals and domain speci
5、alists in every discipline are become increasingly aware of the advantages of using GIS technology for addressing their unique spatial problems.,专业人员，和一些在每个学科领域的专家越来越意识到了使用GIS技术来解决其独特的空间问题的优势。,We commonly think of a GIS as a single ,well-defined ,integrated computer system .However ,this is not alwa
6、ys the case .A GIS can be made up of a variety of software and hardware tools .The important factor is the level of integration of these tools to provide a smoothly operating ,fully functional geographic data processing environment .,我们通常认为，地理信息系统是一个单一的，定义良好的，综合的计算机系统。然而，这并非总是如此。一个地理信息系统，由各种软件和硬件工具构
7、成。重要的因素是这些工具的集成水平用来提供平稳运行，功能齐全的的地理数据处理环境。,Overall ,GIS should be viewed as a technology ,not simply as a computer system .,总的来说，地理信息系统，应被视为一种技术，不是简单地作为一个计算机系统。,In general ,a GIS provides facilities for data capture ,data management ,data manipulation and analysis ,and the presentation of results in
8、both graphic and report form ,with a particular emphasis upon preserving and utilizing inherent characteristics of spatial data .,在一般情况下，一个地理信息系统提供数据采集，数据管理，数据处理和分析，结果在图形和报告的形式中演示时，特别强调保存和利用空间数据的固有特性。,The ability to incorporate spatial data ,manage it ,analyze it , and answer spatial questions is th
9、e distinctive characteristic of geographic information systems .,包括空间数据，管理，分析，并回答空间的问题的能力，是地理信息系统的显着特点。,A geographic information system ,commonly referred to as a GIS ,is an integrated set of hardware and software tools used for the manipulation and management of digital spatial (geographic) and related attribute data,一个通常称为GIS的地理信息系统，是一套集成的数字空间（地理）和相关的属性数据的操纵和管理使用的硬件和软件工具。,Thank for your listening.,
