PostGIS  3.1.6dev-r@@SVN_REVISION@@

◆ lwpsurface_to_wkt_sb()

static void lwpsurface_to_wkt_sb ( const LWPSURFACE psurf,
stringbuffer_t sb,
int  precision,
uint8_t  variant 
)
static

Definition at line 580 of file lwout_wkt.c.

581 {
582  uint32_t i = 0;
583 
584  if ( ! (variant & WKT_NO_TYPE) )
585  {
586  stringbuffer_append_len(sb, "POLYHEDRALSURFACE", 17); /* "POLYHEDRALSURFACE" */
588  }
589  if ( psurf->ngeoms < 1 )
590  {
591  empty_to_wkt_sb(sb);
592  return;
593  }
594 
595  variant = variant | WKT_IS_CHILD; /* Inform the sub-geometries they are childre */
596 
597  stringbuffer_append_len(sb, "(", 1);
598  for ( i = 0; i < psurf->ngeoms; i++ )
599  {
600  if ( i > 0 )
601  stringbuffer_append_len(sb, ",", 1);
602  /* We don't want type strings on our subgeoms */
603  lwpoly_to_wkt_sb(psurf->geoms[i], sb, precision, variant | WKT_NO_TYPE );
604  }
605  stringbuffer_append_len(sb, ")", 1);
606 }
static uint8_t variant
Definition: cu_in_twkb.c:26
static uint8_t precision
Definition: cu_in_twkb.c:25
#define WKT_IS_CHILD
#define WKT_NO_TYPE
Well-Known Text (WKT) Output Variant Types.
static void dimension_qualifiers_to_wkt_sb(const LWGEOM *geom, stringbuffer_t *sb, uint8_t variant)
Definition: lwout_wkt.c:40
static void empty_to_wkt_sb(stringbuffer_t *sb)
Definition: lwout_wkt.c:70
static void lwpoly_to_wkt_sb(const LWPOLY *poly, stringbuffer_t *sb, int precision, uint8_t variant)
Definition: lwout_wkt.c:181
static void stringbuffer_append_len(stringbuffer_t *s, const char *a, size_t alen)
Append the specified string to the stringbuffer_t using known length.
Definition: stringbuffer.h:91
LWPOLY ** geoms
Definition: liblwgeom.h:659
uint32_t ngeoms
Definition: liblwgeom.h:664

References dimension_qualifiers_to_wkt_sb(), empty_to_wkt_sb(), LWPSURFACE::geoms, lwpoly_to_wkt_sb(), LWPSURFACE::ngeoms, precision, stringbuffer_append_len(), variant, WKT_IS_CHILD, and WKT_NO_TYPE.

Referenced by lwgeom_to_wkt_sb().

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