PostGIS  2.3.7dev-r@@SVN_REVISION@@
LWPOLY* lwpoly_force_dims ( const LWPOLY poly,
int  hasz,
int  hasm 
)

Definition at line 379 of file lwpoly.c.

References lwalloc(), lwpoly_construct(), lwpoly_construct_empty(), lwpoly_is_empty(), LWPOLY::nrings, ptarray_force_dims(), LWPOLY::rings, LWPOLY::srid, and LWPOLY::type.

Referenced by lwgeom_force_dims().

380 {
381  LWPOLY *polyout;
382 
383  /* Return 2D empty */
384  if( lwpoly_is_empty(poly) )
385  {
386  polyout = lwpoly_construct_empty(poly->srid, hasz, hasm);
387  }
388  else
389  {
390  POINTARRAY **rings = NULL;
391  int i;
392  rings = lwalloc(sizeof(POINTARRAY*) * poly->nrings);
393  for( i = 0; i < poly->nrings; i++ )
394  {
395  rings[i] = ptarray_force_dims(poly->rings[i], hasz, hasm);
396  }
397  polyout = lwpoly_construct(poly->srid, NULL, poly->nrings, rings);
398  }
399  polyout->type = poly->type;
400  return polyout;
401 }
LWPOLY * lwpoly_construct(int srid, GBOX *bbox, uint32_t nrings, POINTARRAY **points)
Definition: lwpoly.c:43
uint8_t type
Definition: liblwgeom.h:450
LWPOLY * lwpoly_construct_empty(int srid, char hasz, char hasm)
Definition: lwpoly.c:137
POINTARRAY ** rings
Definition: liblwgeom.h:456
POINTARRAY * ptarray_force_dims(const POINTARRAY *pa, int hasz, int hasm)
Definition: ptarray.c:1035
int nrings
Definition: liblwgeom.h:454
int32_t srid
Definition: liblwgeom.h:453
void * lwalloc(size_t size)
Definition: lwutil.c:227
int lwpoly_is_empty(const LWPOLY *poly)
Definition: lwpoly.c:403

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