PostGIS  2.5.0dev-r@@SVN_REVISION@@
LWPOLY* lwpoly_force_dims ( const LWPOLY lwpoly,
int  hasz,
int  hasm 
)

Definition at line 392 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().

393 {
394  LWPOLY *polyout;
395 
396  /* Return 2D empty */
397  if( lwpoly_is_empty(poly) )
398  {
399  polyout = lwpoly_construct_empty(poly->srid, hasz, hasm);
400  }
401  else
402  {
403  POINTARRAY **rings = NULL;
404  uint32_t i;
405  rings = lwalloc(sizeof(POINTARRAY*) * poly->nrings);
406  for( i = 0; i < poly->nrings; i++ )
407  {
408  rings[i] = ptarray_force_dims(poly->rings[i], hasz, hasm);
409  }
410  polyout = lwpoly_construct(poly->srid, NULL, poly->nrings, rings);
411  }
412  polyout->type = poly->type;
413  return polyout;
414 }
unsigned int uint32_t
Definition: uthash.h:78
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:159
POINTARRAY * ptarray_force_dims(const POINTARRAY *pa, int hasz, int hasm)
Definition: ptarray.c:1030
void * lwalloc(size_t size)
Definition: lwutil.c:229
int lwpoly_is_empty(const LWPOLY *poly)
Definition: lwpoly.c:416

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