geo_collect_garray geo_makeline_garray geo_npoints geom_array_union geom_boundary geom_buffer geom_centroid geom_convex_hull geom_difference2d geom_intersection2d geom_shortestline2d geom_shortestline3d geom_unary_union line_interpolate_point line_locate_point line_substring

line_interpolate_point() GSERIALIZED * line_interpolate_point ( GSERIALIZED *  gs, double  fraction, bool  repeat  ) Interpolate one or several points from a line. Parameters [in] gs Geometry [in] fraction Value in [0,1] representing the distance where the point is located [in] repeat True when obtaining several points Note PostGIS function: LWGEOM_line_interpolate_point(PG_FUNCTION_ARGS)