PostGIS  3.1.6dev-r@@SVN_REVISION@@

◆ ptarray_npoints_in_rect()

int ptarray_npoints_in_rect ( const POINTARRAY *  pa,
const GBOX *  gbox 
)

Definition at line 2078 of file ptarray.c.

2079 {
2080  const POINT2D *pt;
2081  int n = 0;
2082  uint32_t i;
2083  for ( i = 0; i < pa->npoints; i++ )
2084  {
2085  pt = getPoint2d_cp(pa, i);
2086  if ( gbox_contains_point2d(gbox, pt) )
2087  n++;
2088  }
2089  return n;
2090 }
gbox_contains_point2d
int gbox_contains_point2d(const GBOX *g, const POINT2D *p)
Definition: gbox.c:350
getPoint2d_cp
static const POINT2D * getPoint2d_cp(const POINTARRAY *pa, uint32_t n)
Returns a POINT2D pointer into the POINTARRAY serialized_ptlist, suitable for reading from.
Definition: lwinline.h:101
POINTARRAY::npoints
uint32_t npoints
Definition: liblwgeom.h:441

References gbox_contains_point2d(), getPoint2d_cp(), and POINTARRAY::npoints.

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