PostGIS  2.4.9dev-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 2679 of file lwgeodetic.c.

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

Referenced by lwpoly_covers_lwline(), and lwpoly_covers_lwpoly().

2680 {
2681  int i;
2682  for (i = 0; i < pta->npoints; i++) {
2683  const POINT2D* pt_to_test = getPoint2d_cp(pta, i);
2685  if ( LW_FALSE == lwpoly_covers_point2d(lwpoly, pt_to_test) ) {
2686  LWDEBUG(4,"returning false, geometry2 has point outside of geometry1");
2687  return LW_FALSE;
2688  }
2689  }
2691  return LW_TRUE;
2692 }
int npoints
Definition: liblwgeom.h:371
#define LWDEBUG(level, msg)
Definition: lwgeom_log.h:83
#define LW_FALSE
Definition: liblwgeom.h:77
const POINT2D * getPoint2d_cp(const POINTARRAY *pa, int n)
Returns a POINT2D pointer into the POINTARRAY serialized_ptlist, suitable for reading from...
Definition: lwgeom_api.c:373
#define LW_TRUE
Return types for functions with status returns.
Definition: liblwgeom.h:76
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:2510
Here is the call graph for this function:
Here is the caller graph for this function: