PostGIS  2.2.8dev-r@@SVN_REVISION@@

◆ lwpoly_force_dims()

LWPOLY* lwpoly_force_dims ( const LWPOLY lwpoly,
int  hasz,
int  hasm 
)

Definition at line 308 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().

309 {
310  LWPOLY *polyout;
311 
312  /* Return 2D empty */
313  if( lwpoly_is_empty(poly) )
314  {
315  polyout = lwpoly_construct_empty(poly->srid, hasz, hasm);
316  }
317  else
318  {
319  POINTARRAY **rings = NULL;
320  int i;
321  rings = lwalloc(sizeof(POINTARRAY*) * poly->nrings);
322  for( i = 0; i < poly->nrings; i++ )
323  {
324  rings[i] = ptarray_force_dims(poly->rings[i], hasz, hasm);
325  }
326  polyout = lwpoly_construct(poly->srid, NULL, poly->nrings, rings);
327  }
328  polyout->type = poly->type;
329  return polyout;
330 }
LWPOLY * lwpoly_construct(int srid, GBOX *bbox, uint32_t nrings, POINTARRAY **points)
Definition: lwpoly.c:29
uint8_t type
Definition: liblwgeom.h:435
LWPOLY * lwpoly_construct_empty(int srid, char hasz, char hasm)
Definition: lwpoly.c:66
POINTARRAY * ptarray_force_dims(const POINTARRAY *pa, int hasz, int hasm)
Definition: ptarray.c:1035
void * lwalloc(size_t size)
Definition: lwutil.c:199
int lwpoly_is_empty(const LWPOLY *poly)
Definition: lwpoly.c:332
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