PostGIS  3.0.6dev-r@@SVN_REVISION@@

◆ lwgeom_calculate_circ_tree()

CIRC_NODE* lwgeom_calculate_circ_tree ( const LWGEOM lwgeom)

Definition at line 1005 of file lwgeodetic_tree.c.

1006 {
1007  if ( lwgeom_is_empty(lwgeom) )
1008  return NULL;
1009 
1010  switch ( lwgeom->type )
1011  {
1012  case POINTTYPE:
1013  return lwpoint_calculate_circ_tree((LWPOINT*)lwgeom);
1014  case LINETYPE:
1015  return lwline_calculate_circ_tree((LWLINE*)lwgeom);
1016  case POLYGONTYPE:
1017  return lwpoly_calculate_circ_tree((LWPOLY*)lwgeom);
1018  case MULTIPOINTTYPE:
1019  case MULTILINETYPE:
1020  case MULTIPOLYGONTYPE:
1021  case COLLECTIONTYPE:
1023  default:
1024  lwerror("Unable to calculate spherical index tree for type %s", lwtype_name(lwgeom->type));
1025  return NULL;
1026  }
1027 
1028 }
#define COLLECTIONTYPE
Definition: liblwgeom.h:122
#define MULTILINETYPE
Definition: liblwgeom.h:120
#define LINETYPE
Definition: liblwgeom.h:117
#define MULTIPOINTTYPE
Definition: liblwgeom.h:119
#define POINTTYPE
LWTYPE numbers, used internally by PostGIS.
Definition: liblwgeom.h:116
#define MULTIPOLYGONTYPE
Definition: liblwgeom.h:121
#define POLYGONTYPE
Definition: liblwgeom.h:118
const char * lwtype_name(uint8_t type)
Return the type name string associated with a type number (e.g.
Definition: lwutil.c:216
static CIRC_NODE * lwpoly_calculate_circ_tree(const LWPOLY *lwpoly)
static CIRC_NODE * lwcollection_calculate_circ_tree(const LWCOLLECTION *lwcol)
static CIRC_NODE * lwpoint_calculate_circ_tree(const LWPOINT *lwpoint)
static CIRC_NODE * lwline_calculate_circ_tree(const LWLINE *lwline)
void lwerror(const char *fmt,...)
Write a notice out to the error handler.
Definition: lwutil.c:190
static int lwgeom_is_empty(const LWGEOM *geom)
Return true or false depending on whether a geometry is an "empty" geometry (no vertices members)
Definition: lwinline.h:193
uint8_t type
Definition: liblwgeom.h:448

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 LWPOINT::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().

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