PostGIS  2.5.7dev-r@@SVN_REVISION@@

◆ lwpoly_covers_pointarray()

int lwpoly_covers_pointarray ( const LWPOLY lwpoly,
const POINTARRAY pta 
)

return LW_TRUE if all points are inside the polygon

Definition at line 2696 of file lwgeodetic.c.

2697 {
2698  uint32_t i;
2699  for (i = 0; i < pta->npoints; i++) {
2700  const POINT2D* pt_to_test = getPoint2d_cp(pta, i);
2701 
2702  if ( LW_FALSE == lwpoly_covers_point2d(lwpoly, pt_to_test) ) {
2703  LWDEBUG(4,"returning false, geometry2 has point outside of geometry1");
2704  return LW_FALSE;
2705  }
2706  }
2707 
2708  return LW_TRUE;
2709 }
#define LW_FALSE
Definition: liblwgeom.h:77
#define LW_TRUE
Return types for functions with status returns.
Definition: liblwgeom.h:76
const POINT2D * getPoint2d_cp(const POINTARRAY *pa, uint32_t n)
Returns a POINT2D pointer into the POINTARRAY serialized_ptlist, suitable for reading from.
Definition: lwgeom_api.c:374
int lwpoly_covers_point2d(const LWPOLY *poly, const POINT2D *pt_to_test)
Given a polygon (lon/lat decimal degrees) and point (lon/lat decimal degrees) and a guaranteed outsid...
Definition: lwgeodetic.c:2518
#define LWDEBUG(level, msg)
Definition: lwgeom_log.h:83
uint32_t npoints
Definition: liblwgeom.h:374
unsigned int uint32_t
Definition: uthash.h:78

References getPoint2d_cp(), LW_FALSE, LW_TRUE, LWDEBUG, lwpoly_covers_point2d(), and POINTARRAY::npoints.

Referenced by lwpoly_covers_lwline(), and lwpoly_covers_lwpoly().

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