測繪英文翻譯-展示頁
2024-11-14 03:47本頁面
【正文】 ge can be P Cs or superputers. These puters can be standalone units or can be hooked into a work environment. Input devices include digitizers and scanners. Printers and plotters are used to produce a hardcopy map. GIS storage systems include: optical disks, magic disks (such as a hard drive), floppy disks or magic tapes. GIS software includes both GIS program and special application packages, such as digital Terrain modeling and work analysis. The main difference between GIS software programs and desktop mapping programs is the ability of GIS programs to perform spatial analysis. ARC/ INFO by Environ mental Systems Research Institute (ESRI) Inc. is one of typical examples of GIS software packages. Desktop mapping programs offer m any of the same features, as a GIS, but their ability to support spatial analyses are limited. They are developed to satisfy individual user needs for mapping presentations. MapInfo developed by MapInfo Corp is an example of popular desktop mapping programs. Human resources used to operate a GIS typically include: operational staff, technical professional staff, and management personnel Operational staffers people such as (1) cartographers, who monitor the design of map displays, the standards for map symbols and standard map series, (2) data capturers, who converts map into digital form and (3) potential users of a GIS . Technical professional staff include (1) information analysts w ho solve particular user problems and satisfy their information needs, (2) system administrators, who are responsible for keeping the system (hardware/ software) operational , (3) programmers, who translate the application specifications prepared by the analyst into programs and (4) the database administrator, w ho assists the analysts, programmers and users to anize geographic features into layers, identify sources of data , develop coding structures for no graphics data, and document information about the contents of the databases . Management personnel include (1 ) the manager, who monitors the daily performance of the GIS project Implementation team and manages the output production as required by the anization and (2) the Quality Assurance Coordinator w ho manages the output of the final product to ensure that it meets the conversion specification and data acceptance plan. H o w a GIS Works: A GIS works by providing a way to capture or input data , store , retrieve and manage the da
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