PostGIS 3.7.0dev-r@@SVN_REVISION@@
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◆ 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 2562 of file lwgeodetic.c.

2563{
2564 uint32_t i;
2565 for (i = 0; i < pta->npoints; i++) {
2566 const POINT2D* pt_to_test = getPoint2d_cp(pta, i);
2567
2568 if ( LW_FALSE == lwpoly_covers_point2d(lwpoly, pt_to_test) ) {
2569 LWDEBUG(4,"returning false, geometry2 has point outside of geometry1");
2570 return LW_FALSE;
2571 }
2572 }
2573
2574 return LW_TRUE;
2575}
#define LW_FALSE
Definition liblwgeom.h:94
#define LW_TRUE
Return types for functions with status returns.
Definition liblwgeom.h:93
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...
#define LWDEBUG(level, msg)
Definition lwgeom_log.h:101
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:97
uint32_t npoints
Definition liblwgeom.h:427

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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