Linestring operations

line_interpolate_point(line, distance[, ...])	Return a point interpolated at given distance on a line.
line_locate_point(line, other[, normalized])	Return the distance to the line origin of given point.
line_merge(line[, directed])	Return (Multi)LineStrings formed by combining the lines in a MultiLineString.
shared_paths(a, b, **kwargs)	Return the shared paths between a and b.
shortest_line(a, b, **kwargs)	Return the shortest line between two geometries.