Line stringSampling Feature Geo-type ⤴
A subclass of a Curve using linear interpolation between points. A Curve is a 1-dimensional geometric object usually stored as a sequence of Points. Represented in 2D coordinates by FeatureGeometry.
OGC Simple Features
Simple Features OGC document (pdf): http://portal.opengeospatial.org/files/?artifact_id=25355 See also this more accessible description of Simple Features Well-Known Text terms: http://en.wikipedia.org/wiki/Well-known_text