PostGIS  2.5.0dev-r@@SVN_REVISION@@
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 727 of file lwgeom.c.

References LWGEOM::bbox, and lwgeom_add_bbox().

Referenced by _lwt_AddFaceSplit(), _lwt_AddLine(), _lwt_CheckEdgeCrossing(), _lwt_EdgeRingGetBbox(), _lwt_GetEqualEdge(), _lwt_minTolerance(), dbscan_update_context(), geos_envelope_surrogate(), lwgeom_cpa_within(), lwgeom_extent_to_gml2(), lwgeom_extent_to_gml3(), lwgeom_split_wrapx(), lwgeom_subdivide(), lwgeom_tcpa(), lwt_AddPolygon(), lwt_ChangeEdgeGeom(), mvt_geom(), ST_BoundingDiagonal(), ST_ClipByBox2d(), ST_GeometricMedian(), test_lwgeom_voronoi_diagram_custom_envelope(), and test_lwpoly_construct_circle().

728 {
729  /* add it if not already there */
730  lwgeom_add_bbox((LWGEOM *)lwg);
731  return lwg->bbox;
732 }
GBOX * bbox
Definition: liblwgeom.h:397
void lwgeom_add_bbox(LWGEOM *lwgeom)
Ensure there's a box in the LWGEOM.
Definition: lwgeom.c:679

Here is the call graph for this function:

Here is the caller graph for this function: