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Geospatial Information Agency (Indonesian: Badan Informasi Geospasial, abbreviation: BIG) is the national mapping agency of Indonesia.BIG was formerly named National Coordinator for Survey and Mapping Agency (Indonesian: Badan Koordinasi Survei dan Pemetaan Nasional, abbreviation: Bakosurtanal).
The history of Web GIS is very closely tied to the history of geographic information systems, Digital mapping, and the World Wide Web or the Web. The Web was first created in 1990, and the first major web mapping program capable of distributed map creation appeared shortly after in 1993.
Geospatial metadata (also geographic metadata) is a type of metadata applicable to geographic data and information.Such objects may be stored in a geographic information system (GIS) or may simply be documents, data-sets, images or other objects, services, or related items that exist in some other native environment but whose features may be appropriate to describe in a (geographic) metadata ...
Basic GIS concept. A geographic information system (GIS) consists of integrated computer hardware and software that store, manage, analyze, edit, output, and visualize geographic data.
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 ...
A spatial index is used by a spatial database to optimize spatial queries.Database systems use indices to quickly look up values by sorting data values in a linear (e.g. alphabetical) order; however, this way of indexing data is not optimal for spatial queries in two- or three-dimensional space.
More modern disease map showing deaths from heart disease among white males in the US from 2000–2004. Today’s public health problems are much larger in scope than those Dr. Snow faced, and researchers today depend on modern GIS and other computer mapping applications to assist in their analyses.