PostGIS  3.7.0dev-r@@SVN_REVISION@@

◆ 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 519 of file lwgeom.c.

520 {
521  LWDEBUGF(2, "lwgeom_clone called with %p, %s",
522  lwgeom, lwtype_name(lwgeom->type));
523 
524  switch (lwgeom->type)
525  {
526  case POINTTYPE:
527  return (LWGEOM *)lwpoint_clone((LWPOINT *)lwgeom);
528  case LINETYPE:
529  return (LWGEOM *)lwline_clone((LWLINE *)lwgeom);
530  case CIRCSTRINGTYPE:
531  return (LWGEOM *)lwcircstring_clone((LWCIRCSTRING *)lwgeom);
532  case POLYGONTYPE:
533  return (LWGEOM *)lwpoly_clone((LWPOLY *)lwgeom);
534  case TRIANGLETYPE:
535  return (LWGEOM *)lwtriangle_clone((LWTRIANGLE *)lwgeom);
536  case COMPOUNDTYPE:
537  case CURVEPOLYTYPE:
538  case MULTICURVETYPE:
539  case MULTISURFACETYPE:
540  case MULTIPOINTTYPE:
541  case MULTILINETYPE:
542  case MULTIPOLYGONTYPE:
544  case TINTYPE:
545  case COLLECTIONTYPE:
546  return (LWGEOM *)lwcollection_clone((LWCOLLECTION *)lwgeom);
547  default:
548  lwerror("lwgeom_clone: Unknown geometry type: %s", lwtype_name(lwgeom->type));
549  return NULL;
550  }
551 }
#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
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:112
#define TRIANGLETYPE
Definition: liblwgeom.h:115
LWPOINT * lwpoint_clone(const LWPOINT *lwgeom)
Definition: lwpoint.c:239
LWLINE * lwline_clone(const LWLINE *lwgeom)
Definition: lwline.c:93
LWCOLLECTION * lwcollection_clone(const LWCOLLECTION *lwgeom)
Clone LWCOLLECTION object.
Definition: lwcollection.c:125
LWPOLY * lwpoly_clone(const LWPOLY *lwgeom)
Definition: lwpoly.c:213
LWTRIANGLE * lwtriangle_clone(const LWTRIANGLE *lwgeom)
Definition: lwtriangle.c:99
LWCIRCSTRING * lwcircstring_clone(const LWCIRCSTRING *curve)
Definition: lwcircstring.c:124
#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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