PostGIS  3.4.0dev-r@@SVN_REVISION@@

◆ lwgeom_wkb_type()

static uint32_t lwgeom_wkb_type ( const LWGEOM geom,
uint8_t  variant 
)
static

Definition at line 83 of file lwout_wkb.c.

84 {
85  uint32_t wkb_type = 0;
86 
87  switch ( geom->type )
88  {
89  case POINTTYPE:
90  wkb_type = WKB_POINT_TYPE;
91  break;
92  case LINETYPE:
93  wkb_type = WKB_LINESTRING_TYPE;
94  break;
95  case POLYGONTYPE:
96  wkb_type = WKB_POLYGON_TYPE;
97  break;
98  case MULTIPOINTTYPE:
99  wkb_type = WKB_MULTIPOINT_TYPE;
100  break;
101  case MULTILINETYPE:
102  wkb_type = WKB_MULTILINESTRING_TYPE;
103  break;
104  case MULTIPOLYGONTYPE:
105  wkb_type = WKB_MULTIPOLYGON_TYPE;
106  break;
107  case COLLECTIONTYPE:
108  wkb_type = WKB_GEOMETRYCOLLECTION_TYPE;
109  break;
110  case CIRCSTRINGTYPE:
111  wkb_type = WKB_CIRCULARSTRING_TYPE;
112  break;
113  case COMPOUNDTYPE:
114  wkb_type = WKB_COMPOUNDCURVE_TYPE;
115  break;
116  case CURVEPOLYTYPE:
117  wkb_type = WKB_CURVEPOLYGON_TYPE;
118  break;
119  case MULTICURVETYPE:
120  wkb_type = WKB_MULTICURVE_TYPE;
121  break;
122  case MULTISURFACETYPE:
123  wkb_type = WKB_MULTISURFACE_TYPE;
124  break;
126  wkb_type = WKB_POLYHEDRALSURFACE_TYPE;
127  break;
128  case TINTYPE:
129  wkb_type = WKB_TIN_TYPE;
130  break;
131  case TRIANGLETYPE:
132  wkb_type = WKB_TRIANGLE_TYPE;
133  break;
134  default:
135  lwerror("%s: Unsupported geometry type: %s", __func__, lwtype_name(geom->type));
136  }
137 
138  if ( variant & WKB_EXTENDED )
139  {
140  if ( FLAGS_GET_Z(geom->flags) )
141  wkb_type |= WKBZOFFSET;
142  if ( FLAGS_GET_M(geom->flags) )
143  wkb_type |= WKBMOFFSET;
144 /* if ( geom->srid != SRID_UNKNOWN && ! (variant & WKB_NO_SRID) ) */
145  if ( lwgeom_wkb_needs_srid(geom, variant) )
146  wkb_type |= WKBSRIDFLAG;
147  }
148  else if ( variant & WKB_ISO )
149  {
150  /* Z types are in the 1000 range */
151  if ( FLAGS_GET_Z(geom->flags) )
152  wkb_type += 1000;
153  /* M types are in the 2000 range */
154  if ( FLAGS_GET_M(geom->flags) )
155  wkb_type += 2000;
156  /* ZM types are in the 1000 + 2000 = 3000 range, see above */
157  }
158  return wkb_type;
159 }
static uint8_t variant
Definition: cu_in_twkb.c:26
#define WKBMOFFSET
Definition: liblwgeom.h:125
#define COLLECTIONTYPE
Definition: liblwgeom.h:108
#define COMPOUNDTYPE
Definition: liblwgeom.h:110
#define WKB_ISO
Definition: liblwgeom.h:2175
#define CURVEPOLYTYPE
Definition: liblwgeom.h:111
#define MULTILINETYPE
Definition: liblwgeom.h:106
#define MULTISURFACETYPE
Definition: liblwgeom.h:113
#define LINETYPE
Definition: liblwgeom.h:103
#define MULTIPOINTTYPE
Definition: liblwgeom.h:105
#define WKBSRIDFLAG
Definition: liblwgeom.h:126
#define POINTTYPE
LWTYPE numbers, used internally by PostGIS.
Definition: liblwgeom.h:102
#define FLAGS_GET_Z(flags)
Definition: liblwgeom.h:165
#define TINTYPE
Definition: liblwgeom.h:116
#define MULTIPOLYGONTYPE
Definition: liblwgeom.h:107
#define POLYGONTYPE
Definition: liblwgeom.h:104
#define POLYHEDRALSURFACETYPE
Definition: liblwgeom.h:114
#define CIRCSTRINGTYPE
Definition: liblwgeom.h:109
#define WKB_EXTENDED
Definition: liblwgeom.h:2177
const char * lwtype_name(uint8_t type)
Return the type name string associated with a type number (e.g.
Definition: lwutil.c:216
#define FLAGS_GET_M(flags)
Definition: liblwgeom.h:166
#define MULTICURVETYPE
Definition: liblwgeom.h:112
#define TRIANGLETYPE
Definition: liblwgeom.h:115
#define WKBZOFFSET
Flags applied in EWKB to indicate Z/M dimensions and presence/absence of SRID and bounding boxes.
Definition: liblwgeom.h:124
#define WKB_COMPOUNDCURVE_TYPE
#define WKB_POLYHEDRALSURFACE_TYPE
#define WKB_GEOMETRYCOLLECTION_TYPE
#define WKB_TRIANGLE_TYPE
#define WKB_MULTIPOLYGON_TYPE
#define WKB_MULTIPOINT_TYPE
#define WKB_MULTISURFACE_TYPE
#define WKB_CURVEPOLYGON_TYPE
#define WKB_POINT_TYPE
Well-Known Binary (WKB) Geometry Types.
#define WKB_MULTICURVE_TYPE
#define WKB_MULTILINESTRING_TYPE
#define WKB_LINESTRING_TYPE
#define WKB_CIRCULARSTRING_TYPE
#define WKB_POLYGON_TYPE
#define WKB_TIN_TYPE
void lwerror(const char *fmt,...)
Write a notice out to the error handler.
Definition: lwutil.c:190
static int lwgeom_wkb_needs_srid(const LWGEOM *geom, uint8_t variant)
Definition: lwout_wkb.c:64
uint8_t type
Definition: liblwgeom.h:462
lwflags_t flags
Definition: liblwgeom.h:461

References CIRCSTRINGTYPE, COLLECTIONTYPE, COMPOUNDTYPE, CURVEPOLYTYPE, LWGEOM::flags, FLAGS_GET_M, FLAGS_GET_Z, LINETYPE, lwerror(), lwgeom_wkb_needs_srid(), lwtype_name(), MULTICURVETYPE, MULTILINETYPE, MULTIPOINTTYPE, MULTIPOLYGONTYPE, MULTISURFACETYPE, POINTTYPE, POLYGONTYPE, POLYHEDRALSURFACETYPE, TINTYPE, TRIANGLETYPE, LWGEOM::type, variant, WKB_CIRCULARSTRING_TYPE, WKB_COMPOUNDCURVE_TYPE, WKB_CURVEPOLYGON_TYPE, WKB_EXTENDED, WKB_GEOMETRYCOLLECTION_TYPE, WKB_ISO, WKB_LINESTRING_TYPE, WKB_MULTICURVE_TYPE, WKB_MULTILINESTRING_TYPE, WKB_MULTIPOINT_TYPE, WKB_MULTIPOLYGON_TYPE, WKB_MULTISURFACE_TYPE, WKB_POINT_TYPE, WKB_POLYGON_TYPE, WKB_POLYHEDRALSURFACE_TYPE, WKB_TIN_TYPE, WKB_TRIANGLE_TYPE, WKBMOFFSET, WKBSRIDFLAG, and WKBZOFFSET.

Referenced by empty_to_wkb_buf(), lwcollection_to_wkb_buf(), lwline_to_wkb_buf(), lwpoint_to_wkb_buf(), lwpoly_to_wkb_buf(), and lwtriangle_to_wkb_buf().

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