PostGIS 3.7.0dev-r@@SVN_REVISION@@
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◆ 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:
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;
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
const char * lwtype_name(uint8_t type)
Return the type name string associated with a type number (e.g.
Definition lwutil.c:216
#define WKBMOFFSET
Definition liblwgeom.h:125
#define COLLECTIONTYPE
Definition liblwgeom.h:108
#define COMPOUNDTYPE
Definition liblwgeom.h:110
#define WKB_ISO
Definition liblwgeom.h:2210
#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:2212
#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 void lwerror(const char *fmt,...) __attribute__((format(printf
Write a notice out to the error handler.
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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