GEODETICDATUMS
Available datums
|
Platform: |
OEM719, OEM729, OEM7500, OEM7600, OEM7700, OEM7720, PwrPak7, CPT7, CPT7700, SMART7, SMART2 |
This log shows a list of available datums. User-defined datums can be added using the GEODETICDATUM command.
The "USER" entry in the this log is the datum set by the USERDATUM command or the USEREXPDATUM command.
Message ID: 2296
Log Type: Asynch
Recommended Input:
log geodeticdatums
Abbreviated ASCII Example:
<GEODETICDATUMS COM1 0 37.0 UNKNOWN 0 0.375 02040020 e7f2 32768
< 14
< "WGS84" 6326 EARTH_FIXED 6378137.00 298.2572235630
< "ITRF2000" 6656 EARTH_FIXED 6378137.00 298.2572221010
< "ITRF2005" 6896 EARTH_FIXED 6378137.00 298.2572221010
< "ITRF2008" 1061 EARTH_FIXED 6378137.00 298.2572221010
< "ITRF2014" 1165 EARTH_FIXED 6378137.00 298.2572221010
< "ETRF2000" 1186 PLATE_FIXED 6378137.00 298.2572221010
< "ETRF2005" 1204 PLATE_FIXED 6378137.00 298.2572221010
< "ETRF2014" 1206 PLATE_FIXED 6378137.00 298.2572221010
< "NAD83(NSRS2011)" 1116 PLATE_FIXED 6378137.00 298.2572221010
< "NAD83(CSRS)" 6140 PLATE_FIXED 6378137.00 298.2572221010
< "NAD83(PA11)" 1117 PLATE_FIXED 6378137.00 298.2572221010
< "NAD83(MA11)" 1118 PLATE_FIXED 6378137.00 298.2572221010
< "GDA94" 6283 PLATE_FIXED 6378137.00 298.2572221010
< "GDA2020" 1168 PLATE_FIXED 6378137.00 298.2572221010
|
Field |
Field Type |
Description |
Format |
Binary Bytes |
Binary Offset |
|---|---|---|---|---|---|
|
1 |
Log header |
GEODETICDATUMS header For information about log headers, see ASCII, Abbreviated ASCII or Binary. |
– |
H |
0 |
|
2 |
# datums |
Number of datums to follow |
Ulong |
4 |
H |
|
3 |
name |
Name of datum |
Char[32] |
variable |
H+4 |
|
4 |
epsg_code |
EPSG code of datum |
Ulong |
4 |
variable |
|
5 |
anchor |
The datum’s anchor. See Table: Datum Anchors. |
Enum |
4 |
variable |
|
6 |
semimajor_axis |
Semi-major axis of datum’s ellipsoid (m) |
Double |
8 |
variable |
|
7 |
flattening |
Inverse flattening of datum’s ellipsoid (unitless) |
Double |
8 |
variable |
|
8… |
Next datum offset = variable |
||||
|
variable |
xxxx |
32-bit CRC (ASCII and Binary only) |
Ulong |
4 |
variable |
|
variable |
[CR][LF] |
Sentence terminator (ASCII only) |
– |
– |
– |