PostGIS  3.4.0dev-r@@SVN_REVISION@@

◆ lwgeom_has_arc()

int lwgeom_has_arc ( const LWGEOM geom)

Geometry includes at least one actual circular arc.

Definition at line 55 of file lwstroke.c.

56 {
57  LWCOLLECTION *col;
58  uint32_t i;
59 
60  LWDEBUG(2, "lwgeom_has_arc called.");
61 
62  switch (geom->type)
63  {
64  case POINTTYPE:
65  case LINETYPE:
66  case POLYGONTYPE:
67  case TRIANGLETYPE:
68  case MULTIPOINTTYPE:
69  case MULTILINETYPE:
70  case MULTIPOLYGONTYPE:
72  case TINTYPE:
73  return LW_FALSE;
74  case CIRCSTRINGTYPE:
75  return LW_TRUE;
76  /* It's a collection that MAY contain an arc */
77  default:
78  col = (LWCOLLECTION *)geom;
79  for (i=0; i<col->ngeoms; i++)
80  {
81  if (lwgeom_has_arc(col->geoms[i]) == LW_TRUE)
82  return LW_TRUE;
83  }
84  return LW_FALSE;
85  }
86 }
#define LW_FALSE
Definition: liblwgeom.h:94
#define MULTILINETYPE
Definition: liblwgeom.h:106
#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 TRIANGLETYPE
Definition: liblwgeom.h:115
#define LW_TRUE
Return types for functions with status returns.
Definition: liblwgeom.h:93
#define LWDEBUG(level, msg)
Definition: lwgeom_log.h:83
int lwgeom_has_arc(const LWGEOM *geom)
Geometry includes at least one actual circular arc.
Definition: lwstroke.c:55
uint32_t ngeoms
Definition: liblwgeom.h:580
LWGEOM ** geoms
Definition: liblwgeom.h:575
uint8_t type
Definition: liblwgeom.h:462

References CIRCSTRINGTYPE, LWCOLLECTION::geoms, LINETYPE, LW_FALSE, LW_TRUE, LWDEBUG, lwgeom_has_arc(), MULTILINETYPE, MULTIPOINTTYPE, MULTIPOLYGONTYPE, LWCOLLECTION::ngeoms, POINTTYPE, POLYGONTYPE, POLYHEDRALSURFACETYPE, TINTYPE, TRIANGLETYPE, and LWGEOM::type.

Referenced by lwgeom_has_arc(), and LWGEOM_has_arc().

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