PostGIS  3.1.6dev-r@@SVN_REVISION@@

◆ lwpoint_construct_empty()

LWPOINT* lwpoint_construct_empty ( int32_t  srid,
char  hasz,
char  hasm 
)

Definition at line 151 of file lwpoint.c.

152 {
153  LWPOINT *result = lwalloc(sizeof(LWPOINT));
154  result->type = POINTTYPE;
155  result->flags = lwflags(hasz, hasm, 0);
156  result->srid = srid;
157  result->point = ptarray_construct(hasz, hasm, 0);
158  result->bbox = NULL;
159  return result;
160 }
result
char result[OUT_DOUBLE_BUFFER_SIZE]
Definition: cu_print.c:267
ptarray_construct
POINTARRAY * ptarray_construct(char hasz, char hasm, uint32_t npoints)
Construct an empty pointarray, allocating storage and setting the npoints, but not filling in any inf...
Definition: ptarray.c:51
POINTTYPE
#define POINTTYPE
LWTYPE numbers, used internally by PostGIS.
Definition: liblwgeom.h:116
lwalloc
void * lwalloc(size_t size)
Definition: lwutil.c:227
lwflags
lwflags_t lwflags(int hasz, int hasm, int geodetic)
Construct a new flags bitmask.
Definition: lwutil.c:471

References lwalloc(), lwflags(), POINTTYPE, ptarray_construct(), and result.

Referenced by GeneratePointGeometry(), GEOS2LWGEOM(), lwgeom_centroid(), lwgeom_construct_empty(), lwgeom_filter_m(), lwgeom_pointonsurface(), lwline_interpolate_point_3d(), lwmpoint_median(), lwpoint_force_dims(), lwpoint_from_twkb_state(), lwpoint_from_wkb_state(), parse_gml_point(), postgis_valid_typmod(), read_lwgeom_from_partition(), SFCGAL2LWGEOM(), ST_MaximumInscribedCircle(), ST_MinimumBoundingCircle(), ST_MinimumBoundingRadius(), and wkt_parser_point_new().

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