PostGIS  2.1.10dev-r@@SVN_REVISION@@
CIRC_NODE* lwgeom_calculate_circ_tree ( const LWGEOM lwgeom)

Definition at line 896 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, and LWGEOM::type.

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

897 {
898  if ( lwgeom_is_empty(lwgeom) )
899  return NULL;
900 
901  switch ( lwgeom->type )
902  {
903  case POINTTYPE:
904  return lwpoint_calculate_circ_tree((LWPOINT*)lwgeom);
905  case LINETYPE:
906  return lwline_calculate_circ_tree((LWLINE*)lwgeom);
907  case POLYGONTYPE:
908  return lwpoly_calculate_circ_tree((LWPOLY*)lwgeom);
909  case MULTIPOINTTYPE:
910  case MULTILINETYPE:
911  case MULTIPOLYGONTYPE:
912  case COLLECTIONTYPE:
914  default:
915  lwerror("Unable to calculate spherical index tree for type %s", lwtype_name(lwgeom->type));
916  return NULL;
917  }
918 
919 }
#define LINETYPE
Definition: liblwgeom.h:61
static CIRC_NODE * lwpoint_calculate_circ_tree(const LWPOINT *lwpoint)
#define POLYGONTYPE
Definition: liblwgeom.h:62
#define MULTIPOINTTYPE
Definition: liblwgeom.h:63
void lwerror(const char *fmt,...)
Write a notice out to the error handler.
Definition: lwutil.c:67
const char * lwtype_name(uint8_t type)
Return the type name string associated with a type number (e.g.
Definition: lwutil.c:164
#define MULTIPOLYGONTYPE
Definition: liblwgeom.h:65
static CIRC_NODE * lwline_calculate_circ_tree(const LWLINE *lwline)
#define POINTTYPE
LWTYPE numbers, used internally by PostGIS.
Definition: liblwgeom.h:60
uint8_t type
Definition: liblwgeom.h:352
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:1229
#define MULTILINETYPE
Definition: liblwgeom.h:64
#define COLLECTIONTYPE
Definition: liblwgeom.h:66

Here is the call graph for this function:

Here is the caller graph for this function: