PostGIS 3.0.6dev-r@@SVN_REVISION@@
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◆ lwcollection_to_wkt_sb()

static void lwcollection_to_wkt_sb ( const LWCOLLECTION collection,
stringbuffer_t sb,
int  precision,
uint8_t  variant 
)
static

Definition at line 496 of file lwout_wkt.c.

497{
498 uint32_t i = 0;
499
500 if ( ! (variant & WKT_NO_TYPE) )
501 {
502 stringbuffer_append(sb, "GEOMETRYCOLLECTION"); /* "GEOMETRYCOLLECTION" */
504 }
505 if ( collection->ngeoms < 1 )
506 {
507 empty_to_wkt_sb(sb);
508 return;
509 }
510 stringbuffer_append(sb, "(");
511 variant = variant | WKT_IS_CHILD; /* Inform the sub-geometries they are children */
512 for ( i = 0; i < collection->ngeoms; i++ )
513 {
514 if ( i > 0 )
515 stringbuffer_append(sb, ",");
516 lwgeom_to_wkt_sb((LWGEOM*)collection->geoms[i], sb, precision, variant );
517 }
518 stringbuffer_append(sb, ")");
519}
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:39
static void empty_to_wkt_sb(stringbuffer_t *sb)
Definition lwout_wkt.c:69
static void lwgeom_to_wkt_sb(const LWGEOM *geom, stringbuffer_t *sb, int precision, uint8_t variant)
Definition lwout_wkt.c:606
static void stringbuffer_append(stringbuffer_t *s, const char *a)
Append the specified string to the stringbuffer_t.
uint32_t ngeoms
Definition liblwgeom.h:566
LWGEOM ** geoms
Definition liblwgeom.h:561

References dimension_qualifiers_to_wkt_sb(), empty_to_wkt_sb(), LWCOLLECTION::geoms, lwgeom_to_wkt_sb(), LWCOLLECTION::ngeoms, precision, stringbuffer_append(), variant, WKT_IS_CHILD, and WKT_NO_TYPE.

Referenced by lwgeom_to_wkt_sb().

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