itree_pip_intersects()

bool itree_pip_intersects	(	const IntervalTree *	itree,
		const LWGEOM *	lwpoints
	)

Definition at line 217 of file lwgeom_itree.c.

{
        if (lwgeom_get_type(lwpoints) == POINTTYPE)
        {
                return itree_point_in_multipolygon(itree, lwgeom_as_lwpoint(lwpoints)) != ITREE_OUTSIDE;
        }
        else if (lwgeom_get_type(lwpoints) == MULTIPOINTTYPE)
        {
                LWMPOINT* mpoint = lwgeom_as_lwmpoint(lwpoints);
                for (uint32_t i = 0; i < mpoint->ngeoms; i++)
                {
                        const LWPOINT *pt = mpoint->geoms[i];
 
                        if (lwpoint_is_empty(pt))
                                continue;
 
                        if (itree_point_in_multipolygon(itree, pt) != ITREE_OUTSIDE)
                                return true;
                }
                return false;
        }
        else
        {
                elog(ERROR, "%s got a non-point input", __func__);
                return false;
        }
}

References LWMPOINT::geoms, ITREE_OUTSIDE, itree_point_in_multipolygon(), lwgeom_as_lwmpoint(), lwgeom_as_lwpoint(), lwgeom_get_type(), lwpoint_is_empty(), MULTIPOINTTYPE, LWMPOINT::ngeoms, and POINTTYPE.

Referenced by ST_Intersects().

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