Spatial Data

Glossary

  • GIS - Geography Information System
  • OGC - Open Geospatial Consortium
  • SRID - Spatial Reference ID
  • WKT - Well-Known Text
  • WKB - Well-Known Binary
  • EPSG - European Petroleum Survey Group
  • ESRI - Environmental Systems Research Institute
  • NAD83 - North American Datum 1983
  • WGS84 - World Geodetic System 1984

Types

  • Point
  • LineString
  • Polygon
  • CircularString
  • CompoundCurve
  • MultiPoint
  • MultiLineString
  • MultiPolygon
  • GeometryCollection

Methods

  • STGeomFromText
  • STIsValid
  • STAsText
  • STBuffer
  • STArea
  • STLength
  • STCentroid
  • STIntersection
  • STContains
  • STDistance

Map projections

  • A systematic transformation of the latitudes and longitudes of locations from the surface of a sphere or an ellipsoid into locations on a plane.

 

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