PostGIS  3.0.6dev-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 473 of file lwgeom.c.

474 {
475  LWDEBUGF(2, "lwgeom_clone called with %p, %s",
476  lwgeom, lwtype_name(lwgeom->type));
477 
478  switch (lwgeom->type)
479  {
480  case POINTTYPE:
481  return (LWGEOM *)lwpoint_clone((LWPOINT *)lwgeom);
482  case LINETYPE:
483  return (LWGEOM *)lwline_clone((LWLINE *)lwgeom);
484  case CIRCSTRINGTYPE:
485  return (LWGEOM *)lwcircstring_clone((LWCIRCSTRING *)lwgeom);
486  case POLYGONTYPE:
487  return (LWGEOM *)lwpoly_clone((LWPOLY *)lwgeom);
488  case TRIANGLETYPE:
489  return (LWGEOM *)lwtriangle_clone((LWTRIANGLE *)lwgeom);
490  case COMPOUNDTYPE:
491  case CURVEPOLYTYPE:
492  case MULTICURVETYPE:
493  case MULTISURFACETYPE:
494  case MULTIPOINTTYPE:
495  case MULTILINETYPE:
496  case MULTIPOLYGONTYPE:
498  case TINTYPE:
499  case COLLECTIONTYPE:
500  return (LWGEOM *)lwcollection_clone((LWCOLLECTION *)lwgeom);
501  default:
502  lwerror("lwgeom_clone: Unknown geometry type: %s", lwtype_name(lwgeom->type));
503  return NULL;
504  }
505 }
#define COLLECTIONTYPE
Definition: liblwgeom.h:122
#define COMPOUNDTYPE
Definition: liblwgeom.h:124
#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
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:448

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_build_buffer(), lwcollection_clone(), lwcollection_extract(), lwcompound_construct_from_lwline(), lwgeom_as_curve(), lwgeom_as_multi(), lwgeom_chaikin(), lwgeom_homogenize(), lwgeom_segmentize2d(), lwgeom_segmentize_sphere(), lwgeom_set_effective_area(), lwpoint_locate_between_m(), RTreeMergeMultiLines(), test_clone(), and test_lwgeom_clone().

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