PostGIS  3.0.6dev-r@@SVN_REVISION@@

◆ lwcollection_to_wkb_buf()

static uint8_t* lwcollection_to_wkb_buf ( const LWCOLLECTION col,
uint8_t *  buf,
uint8_t  variant 
)
static

Definition at line 647 of file lwout_wkb.c.

648 {
649  uint32_t i;
650 
651  /* Set the endian flag */
652  buf = endian_to_wkb_buf(buf, variant);
653  /* Set the geometry type */
655  /* Set the optional SRID for extended variant */
656  if ( lwgeom_wkb_needs_srid((LWGEOM*)col, variant) )
657  buf = integer_to_wkb_buf(col->srid, buf, variant);
658  /* Set the number of sub-geometries */
659  buf = integer_to_wkb_buf(col->ngeoms, buf, variant);
660 
661  /* Write the sub-geometries. Sub-geometries do not get SRIDs, they
662  inherit from their parents. */
663  for ( i = 0; i < col->ngeoms; i++ )
664  {
665  buf = lwgeom_to_wkb_buf(col->geoms[i], buf, variant | WKB_NO_SRID);
666  }
667 
668  return buf;
669 }
static uint8_t variant
Definition: cu_in_twkb.c:26
#define WKB_NO_SRID
Definition: liblwgeom.h:2128
static int lwgeom_wkb_needs_srid(const LWGEOM *geom, uint8_t variant)
Definition: lwout_wkb.c:63
static uint8_t * endian_to_wkb_buf(uint8_t *buf, uint8_t variant)
Definition: lwout_wkb.c:163
static uint32_t lwgeom_wkb_type(const LWGEOM *geom, uint8_t variant)
Definition: lwout_wkb.c:82
static uint8_t * lwgeom_to_wkb_buf(const LWGEOM *geom, uint8_t *buf, uint8_t variant)
Definition: lwout_wkb.c:733
static uint8_t * integer_to_wkb_buf(const uint32_t ival, uint8_t *buf, uint8_t variant)
Definition: lwout_wkb.c:196
int32_t srid
Definition: liblwgeom.h:446

References endian_to_wkb_buf(), LWCOLLECTION::geoms, integer_to_wkb_buf(), lwgeom_to_wkb_buf(), lwgeom_wkb_needs_srid(), lwgeom_wkb_type(), LWCOLLECTION::ngeoms, LWCOLLECTION::srid, variant, and WKB_NO_SRID.

Referenced by lwgeom_to_wkb_buf().

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