What is GIS Used For?

 GIS operates on many levels.  



On the most basic level, geographic information systems technology is used as computer cartography, that is for straight forward map making. 

The real power of GIS, however, is through using spatial and statistical methods to analyze attribute and geographic information.  

The end result of the analysis can be derivative information, interpolated information or prioritized information.  Some examples of the types of questions that GIS is used to answer might be:

  • How many schools are within one mile of the bus stop using buffer analysis
  • What areas is the cellular service the strongest using line-of-sight analysis
  • What are the different types of vegetation in an area using NDVI classification of satellite imagery
  • How walkable is a neighborhood using street network analysis
  • Where are areas of high crime based on hot spot analysis

Uses of GIS 

There are numerous ways in which GIS is used across different industries.  A few examples are:

  1. Emergency response teams normally use GIS when they want to collect logistics with regards to how they will move in times of natural disasters.
  2. The system also comes in handy when authorities want to discover any potential wetlands that need to be protected from the harmful effects brought about by pollution.
  3. Companies also take advantage of the GIS so that they may be able to choose a strategic market location that has not yet been saturated by other competitors in the particular niche industry.
  4. Management personnel use this system also so that they can be able to locate areas that are bound to suffer from catastrophes with regards to the infrastructure that is in place there.
  5. Any potential spread of diseases & other such like pandemic are usually limited by the use of the GIS since the patterns of their occurrence is predicted in sufficient time.

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