PostGIS  3.4.0dev-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 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 }
#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:124
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:88
void lwerror(const char *fmt,...)
Write a notice out to the error handler.
Definition: lwutil.c:190
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(), RTreeMergeMultiLines(), test_clone(), and test_lwgeom_clone().

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