A LineString is a Curve
with linear interpolation between points.
LineString
Examples
On a world map, LineString objects could
represent rivers.
In a city map, LineString objects could
represent streets.
LineString
Properties
A LineString has coordinates of segments,
defined by each consecutive pair of points.
A LineString is a Line
if it consists of exactly two points.
A LineString is a
LinearRing if it is both closed and
simple.