PostGIS 3.6.2dev-r@@SVN_REVISION@@
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◆ lwgeom_clone()

LWGEOM * lwgeom_clone ( const LWGEOM lwgeom)

Clone LWGEOM object.

Serialized point lists are not copied.

GBOX are copied

See also
ptarray_clone

Definition at line 491 of file lwgeom.c.

492{
493 LWDEBUGF(2, "lwgeom_clone called with %p, %s",
494 lwgeom, lwtype_name(lwgeom->type));
495
496 switch (lwgeom->type)
497 {
498 case POINTTYPE:
499 return (LWGEOM *)lwpoint_clone((LWPOINT *)lwgeom);
500 case LINETYPE:
501 return (LWGEOM *)lwline_clone((LWLINE *)lwgeom);
502 case CIRCSTRINGTYPE:
503 return (LWGEOM *)lwcircstring_clone((LWCIRCSTRING *)lwgeom);
504 case POLYGONTYPE:
505 return (LWGEOM *)lwpoly_clone((LWPOLY *)lwgeom);
506 case TRIANGLETYPE:
507 return (LWGEOM *)lwtriangle_clone((LWTRIANGLE *)lwgeom);
508 case COMPOUNDTYPE:
509 case CURVEPOLYTYPE:
510 case MULTICURVETYPE:
511 case MULTISURFACETYPE:
512 case MULTIPOINTTYPE:
513 case MULTILINETYPE:
514 case MULTIPOLYGONTYPE:
516 case TINTYPE:
517 case COLLECTIONTYPE:
518 return (LWGEOM *)lwcollection_clone((LWCOLLECTION *)lwgeom);
519 default:
520 lwerror("lwgeom_clone: Unknown geometry type: %s", lwtype_name(lwgeom->type));
521 return NULL;
522 }
523}
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:108
#define COMPOUNDTYPE
Definition liblwgeom.h:110
#define CURVEPOLYTYPE
Definition liblwgeom.h:111
#define MULTILINETYPE
Definition liblwgeom.h:106
#define MULTISURFACETYPE
Definition liblwgeom.h:113
#define LINETYPE
Definition liblwgeom.h:103
#define MULTIPOINTTYPE
Definition liblwgeom.h:105
#define POINTTYPE
LWTYPE numbers, used internally by PostGIS.
Definition liblwgeom.h:102
#define TINTYPE
Definition liblwgeom.h:116
#define MULTIPOLYGONTYPE
Definition liblwgeom.h:107
#define POLYGONTYPE
Definition liblwgeom.h:104
#define POLYHEDRALSURFACETYPE
Definition liblwgeom.h:114
#define CIRCSTRINGTYPE
Definition liblwgeom.h:109
#define MULTICURVETYPE
Definition liblwgeom.h:112
#define TRIANGLETYPE
Definition liblwgeom.h:115
LWPOLY * lwpoly_clone(const LWPOLY *lwgeom)
Definition lwpoly.c:213
LWPOINT * lwpoint_clone(const LWPOINT *lwgeom)
Definition lwpoint.c:239
LWCIRCSTRING * lwcircstring_clone(const LWCIRCSTRING *curve)
LWCOLLECTION * lwcollection_clone(const LWCOLLECTION *lwgeom)
Clone LWCOLLECTION object.
LWLINE * lwline_clone(const LWLINE *lwgeom)
Definition lwline.c:93
LWTRIANGLE * lwtriangle_clone(const LWTRIANGLE *lwgeom)
Definition lwtriangle.c:99
#define LWDEBUGF(level, msg,...)
Definition lwgeom_log.h:106
void void lwerror(const char *fmt,...) __attribute__((format(printf
Write a notice out to the error handler.
uint8_t type
Definition liblwgeom.h:462

References CIRCSTRINGTYPE, COLLECTIONTYPE, COMPOUNDTYPE, CURVEPOLYTYPE, LINETYPE, lwcircstring_clone(), lwcollection_clone(), LWDEBUGF, lwerror(), lwline_clone(), lwpoint_clone(), lwpoly_clone(), lwtriangle_clone(), lwtype_name(), MULTICURVETYPE, MULTILINETYPE, MULTIPOINTTYPE, MULTIPOLYGONTYPE, MULTISURFACETYPE, POINTTYPE, POLYGONTYPE, POLYHEDRALSURFACETYPE, TINTYPE, TRIANGLETYPE, LWGEOM::type, and LWPOINT::type.

Referenced by lwcollection_clone(), lwcollection_extract_recursive(), lwcollection_make_geos_friendly(), lwcompound_construct_from_lwline(), lwgeom_as_curve(), lwgeom_as_multi(), lwgeom_chaikin(), lwgeom_segmentize2d(), lwgeom_segmentize_sphere(), lwgeom_set_effective_area(), rt_raster_copy_to_geometry(), ST_CurveN(), test_clone(), and test_lwgeom_clone().

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