PostGIS  2.5.0dev-r@@SVN_REVISION@@
int lwpoly_startpoint ( const LWPOLY lwpoly,
POINT4D pt 
)

Definition at line 529 of file lwpoly.c.

References LW_FAILURE, LWPOLY::nrings, ptarray_startpoint(), and LWPOLY::rings.

Referenced by lwgeom_startpoint().

530 {
531  if ( poly->nrings < 1 )
532  return LW_FAILURE;
533  return ptarray_startpoint(poly->rings[0], pt);
534 }
#define LW_FAILURE
Definition: liblwgeom.h:78
int ptarray_startpoint(const POINTARRAY *pa, POINT4D *pt)
Definition: ptarray.c:1858

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