GIS dictionary covering geospatial and geographic concepts starting with the letter A.
Distance decay is a phenomenon observed between locations or ethnic groups- the further apart they are, the less likely it is that they will interact very much. Distance decay theory in GIS can be used for other purposes such as the effects of time and distance on public transportation ridership, crime analysis, and health care.
With all the location-based social media applications out there, it’s only logical that, in addition to being able to restrict access based on ones social groups (or circles), that geographic boundaries also be used as a restrictive parameter. That capability is called a geofence, a virtual way to set the […]