The following group codes are used by GEODATA objects. In addition to the group codes described here, see Common Group Codes for Objects. For information about abbreviations and formatting used in this table, see Formatting Conventions in This Reference.
|
GEODATA group codes |
|
|---|---|
|
Group code |
Description |
|
90 |
AcDbGeoData Object version |
|
70 |
Bits control flag for for AcDbGeoData |
|
330 |
ObjectId of host block table record |
|
40 |
Latitude (in degrees) of geo-location |
|
41 |
Longitude (in degrees) of geo-location |
|
42 |
Elevation for geo-location |
|
10, 20, 30 |
WCS point in DWG |
|
11, 21, 31 |
Second WCS point in DWG (for future use) |
|
210, 20, 330 |
Up direction |
|
52 |
North direction angle |
|
43, 44, 45 |
Drawing scales along X, Y and Z (for future use) |
|
46 |
Coordinate system map units (used for DWF output) |
|
301 |
Coordinate system WKT definition (used for DWF output) |
|
302 |
GeoRSS tag |
|
303 |
Coordinate system description (used for DWF output) |
|
304 |
Coordinate system datum name (used for DWF output) |
|
305 |
Observation from (used for DWF output) |
|
306 |
Observation to (used for DWF output) |
| 307 | Observation coverage (used for DWF output) |
| 91 | Dwg units |
|
92 |
Number of GeoMesh points |
| 96 | Number of GeoMesh faces |
|
97 |
The first vertex of mesh triangle face |
|
98 |
The second vertex of mesh triangle face |
|
99 |
The third vertex of mesh triangle face |
|
12, 22 |
Coordinate of source mesh point (repeat) |
|
13, 23 |
Coordinate of destination mesh point (repeat) |
|
3 |
String marker for CIVIC3D_DATA_BEGIN |
|
292 |
Bool flag specifying whether to do a transformation that is local to the grid |
|
14, 24 |
(x,y) coordinate of local reference point |
| 15, 25 | (x,y) coordinate of grid reference point |
|
93 |
Local reference point number |
|
94 |
Grid reference point number |
| 293 | Bool flag specifying whether to use rotation points |
|
16, 26 |
(x,y) coordinate of local rotation point |
|
17, 27 |
(x,y) coordinate of grid rotation point |
|
54 |
Rotation angle that is local to the grid |
|
140 |
Grid azimuth |
|
95 |
Scale estimation method |
|
141 |
Scale estimation method |
| 294 | Bool flag specifying whether to do sea level correction |
| 142 | Sea level elevation |
|
143 |
Coordinate projection radius |
| 4 | String marker for CIVIC3D_DATA_END |