Buffer analysis
 | The topic of this article may not meet Wikipedia's general notability guideline. (October 2018) |
A buffer in geographic information system (GIS) is a zone around a map feature measured in units of distance or time. A buffer is useful for proximity analysis.[1]
A buffer is an area defined by the bounding region determined by a set of points at a specified maximum distance from all nodes along segments of an object.
See also
- Dilation (morphology) (positive buffer)
- Erosion (morphology) (negative buffer)
External links
- OGC ST_Buffer function (PostGIS implementation)
References
- ^ Wade, T. and Smmer, S. eds. A to Z GIS
 | This technology-related article is a stub. You can help Wikipedia by expanding it. |