PostGIS  2.2.8dev-r@@SVN_REVISION@@

◆ lwgeom_get_bbox()

const GBOX* lwgeom_get_bbox ( const LWGEOM lwgeom)

Get a non-empty geometry bounding box, computing and caching it if not already there.

NOTE: empty geometries don't have a bounding box so you'd still get a NULL for them.

Definition at line 640 of file lwgeom.c.

References LWGEOM::bbox, and lwgeom_add_bbox().

Referenced by _lwt_AddFaceSplit(), _lwt_CheckEdgeCrossing(), _lwt_GetEqualEdge(), _lwt_minTolerance(), lwgeom_cpa_within(), lwgeom_extent_to_gml2(), lwgeom_extent_to_gml3(), lwgeom_subdivide(), lwgeom_tcpa(), lwt_AddLine(), lwt_AddPolygon(), make_strtree(), ST_BoundingDiagonal(), ST_ClipByBox2d(), and union_pairs_within_distance().

641 {
642  /* add it if not already there */
643  lwgeom_add_bbox((LWGEOM *)lwg);
644  return lwg->bbox;
645 }
GBOX * bbox
Definition: liblwgeom.h:382
void lwgeom_add_bbox(LWGEOM *lwgeom)
Ensure there's a box in the LWGEOM.
Definition: lwgeom.c:599
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