PostGIS  3.0.6dev-r@@SVN_REVISION@@

◆ lwgeom_calculate_gbox_cartesian()

int lwgeom_calculate_gbox_cartesian ( const LWGEOM lwgeom,
GBOX gbox 
)

Calculate the 2-4D bounding box of a geometry.

Z/M coordinates are honored for this calculation, though for curves they are not included in calculations of curvature.

Definition at line 740 of file gbox.c.

741 {
742  if ( ! lwgeom ) return LW_FAILURE;
743  LWDEBUGF(4, "lwgeom_calculate_gbox got type (%d) - %s", lwgeom->type, lwtype_name(lwgeom->type));
744 
745  switch (lwgeom->type)
746  {
747  case POINTTYPE:
748  return lwpoint_calculate_gbox_cartesian((LWPOINT *)lwgeom, gbox);
749  case LINETYPE:
750  return lwline_calculate_gbox_cartesian((LWLINE *)lwgeom, gbox);
751  case CIRCSTRINGTYPE:
752  return lwcircstring_calculate_gbox_cartesian((LWCIRCSTRING *)lwgeom, gbox);
753  case POLYGONTYPE:
754  return lwpoly_calculate_gbox_cartesian((LWPOLY *)lwgeom, gbox);
755  case TRIANGLETYPE:
756  return lwtriangle_calculate_gbox_cartesian((LWTRIANGLE *)lwgeom, gbox);
757  case COMPOUNDTYPE:
758  case CURVEPOLYTYPE:
759  case MULTIPOINTTYPE:
760  case MULTILINETYPE:
761  case MULTICURVETYPE:
762  case MULTIPOLYGONTYPE:
763  case MULTISURFACETYPE:
765  case TINTYPE:
766  case COLLECTIONTYPE:
767  return lwcollection_calculate_gbox_cartesian((LWCOLLECTION *)lwgeom, gbox);
768  }
769  /* Never get here, please. */
770  lwerror("unsupported type (%d) - %s", lwgeom->type, lwtype_name(lwgeom->type));
771  return LW_FAILURE;
772 }
static int lwpoint_calculate_gbox_cartesian(LWPOINT *point, GBOX *gbox)
Definition: gbox.c:679
static int lwpoly_calculate_gbox_cartesian(LWPOLY *poly, GBOX *gbox)
Definition: gbox.c:697
static int lwtriangle_calculate_gbox_cartesian(LWTRIANGLE *triangle, GBOX *gbox)
Definition: gbox.c:691
static int lwline_calculate_gbox_cartesian(LWLINE *line, GBOX *gbox)
Definition: gbox.c:685
static int lwcircstring_calculate_gbox_cartesian(LWCIRCSTRING *curve, GBOX *gbox)
Definition: gbox.c:648
static int lwcollection_calculate_gbox_cartesian(LWCOLLECTION *coll, GBOX *gbox)
Definition: gbox.c:705
#define COLLECTIONTYPE
Definition: liblwgeom.h:122
#define COMPOUNDTYPE
Definition: liblwgeom.h:124
#define LW_FAILURE
Definition: liblwgeom.h:110
#define CURVEPOLYTYPE
Definition: liblwgeom.h:125
#define MULTILINETYPE
Definition: liblwgeom.h:120
#define MULTISURFACETYPE
Definition: liblwgeom.h:127
#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 TINTYPE
Definition: liblwgeom.h:130
#define MULTIPOLYGONTYPE
Definition: liblwgeom.h:121
#define POLYGONTYPE
Definition: liblwgeom.h:118
#define POLYHEDRALSURFACETYPE
Definition: liblwgeom.h:128
#define CIRCSTRINGTYPE
Definition: liblwgeom.h:123
const char * lwtype_name(uint8_t type)
Return the type name string associated with a type number (e.g.
Definition: lwutil.c:216
#define MULTICURVETYPE
Definition: liblwgeom.h:126
#define TRIANGLETYPE
Definition: liblwgeom.h:129
#define LWDEBUGF(level, msg,...)
Definition: lwgeom_log.h:88
void lwerror(const char *fmt,...)
Write a notice out to the error handler.
Definition: lwutil.c:190
uint8_t type
Definition: liblwgeom.h:448

References CIRCSTRINGTYPE, COLLECTIONTYPE, COMPOUNDTYPE, CURVEPOLYTYPE, LINETYPE, LW_FAILURE, lwcircstring_calculate_gbox_cartesian(), lwcollection_calculate_gbox_cartesian(), LWDEBUGF, lwerror(), lwline_calculate_gbox_cartesian(), lwpoint_calculate_gbox_cartesian(), lwpoly_calculate_gbox_cartesian(), lwtriangle_calculate_gbox_cartesian(), lwtype_name(), MULTICURVETYPE, MULTILINETYPE, MULTIPOINTTYPE, MULTIPOLYGONTYPE, MULTISURFACETYPE, POINTTYPE, POLYGONTYPE, POLYHEDRALSURFACETYPE, TINTYPE, TRIANGLETYPE, and LWGEOM::type.

Referenced by lwcollection_calculate_gbox_cartesian(), lwgeom_calculate_gbox(), lwgeom_geohash(), lwgeom_to_geojson(), and test_lwgeom_calculate_gbox().

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