PostGIS  2.5.0beta1dev-r@@SVN_REVISION@@

◆ lwgeom_calculate_circ_tree()

CIRC_NODE* lwgeom_calculate_circ_tree ( const LWGEOM lwgeom)

Definition at line 976 of file lwgeodetic_tree.c.

References COLLECTIONTYPE, LINETYPE, lwcollection_calculate_circ_tree(), lwerror(), lwgeom_is_empty(), lwline_calculate_circ_tree(), lwpoint_calculate_circ_tree(), lwpoly_calculate_circ_tree(), lwtype_name(), MULTILINETYPE, MULTIPOINTTYPE, MULTIPOLYGONTYPE, POINTTYPE, POLYGONTYPE, LWGEOM::type, and LWCOLLECTION::type.

Referenced by CircTreeBuilder(), geography_distance_cache_tolerance(), geography_tree_distance(), lwcollection_calculate_circ_tree(), test_tree_circ_distance(), and test_tree_circ_distance_threshold().

977 {
978  if ( lwgeom_is_empty(lwgeom) )
979  return NULL;
980 
981  switch ( lwgeom->type )
982  {
983  case POINTTYPE:
984  return lwpoint_calculate_circ_tree((LWPOINT*)lwgeom);
985  case LINETYPE:
986  return lwline_calculate_circ_tree((LWLINE*)lwgeom);
987  case POLYGONTYPE:
988  return lwpoly_calculate_circ_tree((LWPOLY*)lwgeom);
989  case MULTIPOINTTYPE:
990  case MULTILINETYPE:
991  case MULTIPOLYGONTYPE:
992  case COLLECTIONTYPE:
994  default:
995  lwerror("Unable to calculate spherical index tree for type %s", lwtype_name(lwgeom->type));
996  return NULL;
997  }
998 
999 }
#define LINETYPE
Definition: liblwgeom.h:85
static CIRC_NODE * lwpoint_calculate_circ_tree(const LWPOINT *lwpoint)
#define POLYGONTYPE
Definition: liblwgeom.h:86
#define MULTIPOINTTYPE
Definition: liblwgeom.h:87
const char * lwtype_name(uint8_t type)
Return the type name string associated with a type number (e.g.
Definition: lwutil.c:218
#define MULTIPOLYGONTYPE
Definition: liblwgeom.h:89
static CIRC_NODE * lwline_calculate_circ_tree(const LWLINE *lwline)
#define POINTTYPE
LWTYPE numbers, used internally by PostGIS.
Definition: liblwgeom.h:84
uint8_t type
Definition: liblwgeom.h:398
static CIRC_NODE * lwpoly_calculate_circ_tree(const LWPOLY *lwpoly)
static CIRC_NODE * lwcollection_calculate_circ_tree(const LWCOLLECTION *lwcol)
int lwgeom_is_empty(const LWGEOM *geom)
Return true or false depending on whether a geometry is an "empty" geometry (no vertices members) ...
Definition: lwgeom.c:1393
#define MULTILINETYPE
Definition: liblwgeom.h:88
void lwerror(const char *fmt,...)
Write a notice out to the error handler.
Definition: lwutil.c:190
#define COLLECTIONTYPE
Definition: liblwgeom.h:90
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