PostGIS 3.7.0dev-r@@SVN_REVISION@@
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◆ lwpoly_is_closed()

int lwpoly_is_closed ( const LWPOLY poly)

Definition at line 498 of file lwpoly.c.

499{
500 uint32_t i = 0;
501
502 if ( poly->nrings == 0 )
503 return LW_TRUE;
504
505 for ( i = 0; i < poly->nrings; i++ )
506 {
507 if (FLAGS_GET_Z(poly->flags))
508 {
509 if ( ! ptarray_is_closed_3d(poly->rings[i]) )
510 return LW_FALSE;
511 }
512 else
513 {
514 if ( ! ptarray_is_closed_2d(poly->rings[i]) )
515 return LW_FALSE;
516 }
517 }
518
519 return LW_TRUE;
520}
#define LW_FALSE
Definition liblwgeom.h:94
int ptarray_is_closed_3d(const POINTARRAY *pa)
Definition ptarray.c:723
#define FLAGS_GET_Z(flags)
Definition liblwgeom.h:165
int ptarray_is_closed_2d(const POINTARRAY *pa)
Definition ptarray.c:710
#define LW_TRUE
Return types for functions with status returns.
Definition liblwgeom.h:93
POINTARRAY ** rings
Definition liblwgeom.h:519
uint32_t nrings
Definition liblwgeom.h:524
lwflags_t flags
Definition liblwgeom.h:521

References LWPOLY::flags, FLAGS_GET_Z, LW_FALSE, LW_TRUE, LWPOLY::nrings, ptarray_is_closed_2d(), ptarray_is_closed_3d(), and LWPOLY::rings.

Referenced by lwgeom_is_closed().

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