PostGIS 3.0.6dev-r@@SVN_REVISION@@
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◆ lwgeom_calculate_gbox_cartesian()

int lwgeom_calculate_gbox_cartesian ( const LWGEOM lwgeom,
GBOX gbox 
)
extern

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:
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:
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
const char * lwtype_name(uint8_t type)
Return the type name string associated with a type number (e.g.
Definition lwutil.c:216
#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
#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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