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2. Geographic information system - Wikipedia

   en.wikipedia.org/wiki/Geographic_Information_System

   GIS data acquisition includes several methods for gathering spatial data into a GIS database, which can be grouped into three categories: primary data capture, the direct measurement phenomena in the field (e.g., remote sensing, the global positioning system); secondary data capture, the extraction of information from existing sources that are ...

3. Spatial analysis - Wikipedia

   en.wikipedia.org/wiki/Spatial_analysis

   The definition of the spatial presence of an entity constrains the possible analysis which can be applied to that entity and influences the final conclusions that can be reached. While this property is fundamentally true of all analysis , it is particularly important in spatial analysis because the tools to define and study entities favor ...

4. Geographic data and information - Wikipedia

   en.wikipedia.org/wiki/Geographic_data_and...

   [1] [2] It is also called geospatial data and information, [citation needed] georeferenced data and information, [citation needed] as well as geodata and geoinformation. [ citation needed ] Location information (known by the many names mentioned here) is stored in a geographic information system (GIS).

5. Web mapping - Wikipedia

   en.wikipedia.org/wiki/Web_mapping

   Web mapping or an online mapping is the process of using, creating, and distributing maps on the World Wide Web (the Web), usually through the use of Web geographic information systems (Web GIS). [ 1 ] [ 2 ] [ 3 ] A web map or an online map is both served and consumed, thus, web mapping is more than just web cartography , it is a service where ...

6. Data model (GIS) - Wikipedia

   en.wikipedia.org/wiki/Data_model_(GIS)

   Because the world is much more complex than can be represented in a computer, all geospatial data are incomplete approximations of the world. [9] Thus, most geospatial data models encode some form of strategy for collecting a finite sample of an often infinite domain, and a structure to organize the sample in such a way as to enable interpolation of the nature of the unsampled portion.

7. Geographic information system software - Wikipedia

   en.wikipedia.org/wiki/Geographic_information...

   A GIS software program is a computer program to support the use of a geographic information system, providing the ability to create, store, manage, query, analyze, and visualize geographic data, that is, data representing phenomena for which location is important.

8. Geovisualization - Wikipedia

   en.wikipedia.org/wiki/Geovisualization

   Geovisualization is closely related to other visualization fields, such as scientific visualization [1] and information visualization. [2] Owing to its roots in cartography, geovisualization contributes to these other fields by way of the map metaphor, which "has been widely used to visualize non-geographic information in the domains of information visualization and domain knowledge ...

9. Thematic map - Wikipedia

   en.wikipedia.org/wiki/Thematic_map

   A thematic map is a type of map that portrays the geographic pattern of a particular subject matter ... the geographic information system (GIS), graphics software, ...