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  • One popular way to describe and to visualize a GIS is picturing it as a cake with many layers.[1]
  • As a tool, a GIS permits us to maintain, analyze, and share a wealth of data and information.[1]
  • Like several of the geographic concepts discussed previously, there is no single or universally accepted definition of a GIS.[1]
  • There are probably just as many definitions of GISs as there are people who use GISs.[1]
  • Geographic information systems are powerful tools that can enable public health practitioners to analyze and visualize data.[2]
  • GIS now exists at various levels, ranging from small-scale systems for individual users to enterprise-wide systems.[2]
  • The advent of Internet map servers and client-server applications has made GIS more widely available and accessible.[2]
  • However, users of GIS need to have the proper training in order to use such systems properly.[2]
  • Check out our list of Master's degrees in Geographical Information Systems (GIS).[3]
  • Keep in mind you can also study an online Masters in Geographical Information Systems (GIS).[3]
  • GIS is used to manipulate and analyze spatial and attribute data from all sources.[4]
  • Maps usually are one of the outputs of a GIS, but can be effective tools for spatial communication in their own right.[4]
  • Because the ultimate purpose of GIS is to aid decision-making, a section on decision support tools is included.[4]
  • Before a GIS can be used to tackle real-world problems, data must be properly represented in a digital computing environment.[5]
  • There have been various data models developed for GIS.[5]
  • Other types of transportation data exist which require extensions to the general GIS data models.[5]
  • Some GIS-T software has developed additional file formats and functions for users to work with matrix data in a GIS environment.[5]
  • GIS, or geographic information systems, are computer-based tools used to store, visualize, analyze, and interpret geographic data.[6]
  • People: People use GIS to answer specific data-related questions.[6]
  • People collect data, develop procedures, identify research questions and define analysis tasks to run in GIS.[6]
  • In public health, people use GIS to explore a variety of topics.[6]
  • Today people from all walks of life use GIS maps on their desktops, via the web, on tablets and smartphones.[7]
  • GIS mapping produces visualizations of geospatial information.[8]
  • Because viewing and analyzing data on maps impacts our understanding of data, we can make better decisions using GIS.[8]
  • It could be anything from powerful servers, mobile phones or a personal GIS workstation.[8]
  • Most people think GIS is only about “making maps”.[8]
  • GIS, Geographic Information System, allows you to associate information to a map.[9]
  • A geographic information system (GIS) is a framework for gathering, managing and analysing data.[10]
  • Rooted in the science of geography, GIS integrates many types of data.[10]
  • A Geographic Information System organizes large volumes of raw data into a map form for easy comprehension.[11]
  • GIS analysis creates new data by manipulating existing data or analyzing relationships between sets of data.[11]
  • GIS stores all data relevant for ICZM.[11]
  • GIS means the latest mapping data can be communicated and used most effectively.[12]
  • Geographic information systems, or GIS, provides this link.[13]
  • GIS is a computer system that captures, stores, checks, and displays information related to positions on Earth’s surface.[13]
  • You probably use GIS every day without realizing it.[13]
  • When you use a smartphone to get directions or to find the closest restaurant to your location, you're tapping into the power of GIS.[13]
  • Network distance measures can be readily calculated within GIS provided that accurate network data are available.[14]
  • Each component of walkability has a number of sub-categories that can be created within GIS.[14]
  • Figure 5-2 gives some examples of applications of GIS at the national and subnational levels.[15]
  • Using the GIS, areas meeting the criteria could be identified.[15]
  • For this exercise, the advantages of using GIS as compared to manual mapping techniques are obvious.[15]
  • GIS can combine information on slope, precipitation regimes, and river carrying capacity to model flood levels.[15]
  • A geographic information system (GIS) is a framework for gathering, managing, and analyzing data.[16]
  • Improvements in GISs enabled their use for environmental assessment and analysis (Haklay et al., 1998).[17]
  • This use alone does not take full advantage of the spatial analysis and modeling capabilities of a GIS.[17]
  • GIS provides a tool that is especially useful in complex modeling predictions.[17]
  • Current GISs manage data through four processes.[17]
  • As an emerging technology itself, the field of geographic information systems (GIS) is constantly evolving.[18]
  • GIS operates on many levels.[18]
  • The real power of GIS, however, is through using spatial and statistical methods to analyze attribute and geographic information.[18]
  • There is an increasing trend to use the term geospatial instead of GIS.[18]
  • Many grassroots groups, even when they had achieved this sort of access, still reaped few benefits from their GIS use.[19]
  • The strong appeal of GIS for many grassroots groups lies in its capacity to enable creation of visual representations of people and place.[19]
  • GIS can use any information that includes location.[20]
  • Many different types of information can be compared and contrasted using GIS.[20]
  • GIS applications include both hardware and software systems.[20]
  • Digital data can also be entered into GIS.[20]
  • Geographic information systems are utilized in multiple technologies, processes, techniques and methods.[21]
  • GIS provides the capability to relate previously unrelated information, through the use of location as the "key index variable".[21]
  • Modern GIS technologies use digital information, for which various digitized data creation methods are used.[21]
  • Geoprocessing is a GIS operation used to manipulate spatial data.[21]

소스

  1. ↑ 1.0 1.1 1.2 1.3 Geographic Information Systems for Today and Beyond
  2. ↑ 2.0 2.1 2.2 2.3 Geographic Information Systems
  3. ↑ 3.0 3.1 245 Masters in Geographical Information Systems (GIS)
  4. ↑ 4.0 4.1 4.2 Geographic information systems, remote sensing and mapping for the development and management of marine aquaculture
  5. ↑ 5.0 5.1 5.2 5.3 Geographic Information Systems for Transportation (GIS-T)
  6. ↑ 6.0 6.1 6.2 6.3 What is GIS?
  7. ↑ Geographical Information Systems
  8. ↑ 8.0 8.1 8.2 8.3 What is Geographic Information Systems (GIS)?
  9. ↑ GIS (Geographic Information System) technology, what is it and what’s it for?
  10. ↑ 10.0 10.1 What is GIS?
  11. ↑ 11.0 11.1 11.2 Geographical Information System
  12. ↑ What is GIS Mapping? Geographic Information System Mapping
  13. ↑ 13.0 13.1 13.2 13.3 What is a geographic information system?
  14. ↑ 14.0 14.1 Using Geographic Information Systems (GIS) to assess the role of the built environment in influencing obesity: a glossary
  15. ↑ 15.0 15.1 15.2 15.3 CHAPTER 5 - GEOGRAPHIC INFORMATION SYSTEMS IN NATURAL HAZARD MANAGEMENT
  16. ↑ What is GIS?
  17. ↑ 17.0 17.1 17.2 17.3 Geographic Information Systems - an overview
  18. ↑ 18.0 18.1 18.2 18.3 What is GIS?
  19. ↑ 19.0 19.1 Geographic Information System - an overview
  20. ↑ 20.0 20.1 20.2 20.3 GIS (Geographic Information System)
  21. ↑ 21.0 21.1 21.2 21.3 Geographic information system
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