PostGIS  2.1.10dev-r@@SVN_REVISION@@
double lwline_length_2d ( const LWLINE line)

Definition at line 503 of file lwline.c.

References lwline_is_empty(), LWLINE::points, and ptarray_length_2d().

Referenced by lwgeom_length_2d(), and test_lwline_from_lwmpoint().

504 {
505  if ( lwline_is_empty(line) )
506  return 0.0;
507  return ptarray_length_2d(line->points);
508 }
double ptarray_length_2d(const POINTARRAY *pts)
Find the 2d length of the given POINTARRAY (even if it's 3d)
Definition: ptarray.c:1586
int lwline_is_empty(const LWLINE *line)
Definition: lwline.c:464
Definition: liblwgeom.h:378

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