What are Geographic Information Systems?

Rachel Smith, Applied Technology Review | Monday, May 31, 2021

The geographic information systems (GIS) are developing technology that collaborates geographic features with tabular data to analyze and solve problems. 

FREMONT, CA : Geographic information systems (GIS) are a rapidly emerging technology that analyses and solves problems by combining geographic features with tabular data. GIS data uses mapping to refer to the precise positions on Earth. The geographic and attribute information can then be analyzed using spatial and statistical methods to arrive at conclusions. People can use GIS to solve problems and resolve issues by understanding spatial patterns and their connections.

Definition of GIS

A geographic information system (GIS) is a sophisticated system for capturing, storing, manipulating, analyzing, managing and presenting various forms of geographic or spatial data that relate to specific locations. Additional information corresponding to different spatial attributes, like landmark names, is known as attribute data. GIS is a valuable software, but it also encompasses the techniques used by professionals to analyze, manage, and view data in a map format.

GIS Formats

Even though geospatial data can be available in numerous formats, but raster and vector data formats are the most common. Raster data is suitable for expressing continuous data that has no defined boundaries or locations. Raster data appears as a grid of cells, with every cell containing a value representing the relevant feature.

Raster data, including aerial photography and satellite imagery, will be the best option for displaying elevation or precipitation. Vector data appears in the form of polygons, points, or lines. Vector data is typically represented as data with a fixed location or hard boundaries. Railroad tracks, roads, and boundary lines are examples of this. Specific components, like longitude and latitude position, zip code, or road name, may connect GIS data together.

Benefits of GIS

People are naturally visual, so every time a visual medium can be used to display and evaluate data, it's a success. When data is communicated utilizing maps, it becomes readily recognizable and appealing to the user. Maps are a standard tool that almost everyone understands, and they can show a wide range of data.

Maps and tables can be combined to show more information and statistics. GIS has a wide range of abilities, allowing it to address different questions for a large population. To name a few applications, GIS can be used to examine the geographic development of plants and animals, track how humans have changed over time, and record the frequency of archaeological discoveries to increase the likelihood of locating future findings.

See Also: Top GIS Consulting/Services Companies

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