Geographic 3D CRS Details
|
Name: | Lao 1993 |
Code: | 4991 |
CRS Type: | geographic 3D |
Area Of Use: |
Laos
Area Details
|
Area Name: | Laos |
Area Code: | 1138 |
Description: | Laos. |
Extents: |
|
22.5 ° |
|
100.09 ° |
|
107.7 ° |
|
13.92 ° |
|
|
Meta Data |
Information Source: | ISO 3166 Maintenance Agency. ftp://ftp.fu-berlin.de/pub/doc/iso |
Data Source: | OGP |
Revision Date: | January 18, 2021 |
Change Id: |
[2002.341] [2012.040] [2014.025] |
|
Datum: |
Lao 1993
Datum Details
|
Datum Name: | Lao 1993 |
Code: | 6677 |
Area Of Use: |
Laos
Area Details
|
Area Name: | Laos |
Area Code: | 1138 |
Description: | Laos. |
Extents: |
|
22.5 ° |
|
100.09 ° |
|
107.7 ° |
|
13.92 ° |
|
|
Meta Data |
Information Source: | ISO 3166 Maintenance Agency. ftp://ftp.fu-berlin.de/pub/doc/iso |
Data Source: | OGP |
Revision Date: | January 18, 2021 |
Change Id: |
[2002.341] [2012.040] [2014.025] |
|
Scope: | Topographic mapping. |
Type: | geodetic |
Realization Epoch: | 1993-01-01 |
Origin: | Fundamental point: Lao 1982 coordinates of Pakxa pillar. Latitude: 18°23'57.0056"N, longitude: 103°38'41.8020"E (of Greenwich). Orientation parallel with WGS 84. |
Ellipsoid: | Krassowsky 1940
Ellipsoid Details |
Name: | Krassowsky 1940 |
Code: | 7024 |
Shape: | Ellipsoid |
Semi-Major Axis: |
6378245 metre
Unit Details
|
Unit Name: | metre |
Unit Code: | 9001 |
Type: | length |
Target Unit: | metre |
Meta Data |
Remarks: | Also known as International metre. SI standard unit. |
Information Source: | ISO 1000. |
Data Source: | IOGP |
Revision Date: | January 18, 2021 |
Change Id: |
[2015.062] |
|
Inverse Flattening: | 298.3 |
Meta Data |
Information Source: | |
Data Source: | OGP |
Revision Date: | January 18, 2021 |
|
Prime Meridian: | Greenwich
Prime Meridian Details
|
Name: | Greenwich |
Code: | 8901 |
Greenwich Longitude: |
0
degree
Unit Details
|
Unit Name: | degree |
Unit Code: | 9102 |
Type: | angle |
Target Unit: | radian
Unit Details
|
Unit Name: | radian |
Unit Code: | 9101 |
Type: | angle |
Target Unit: | radian |
Meta Data |
Remarks: | SI standard unit. |
Information Source: | ISO 1000:1992 |
Data Source: | IOGP |
Revision Date: | January 18, 2021 |
Change Id: |
[2015.062] |
|
Meta Data |
Remarks: | = pi/180 radians |
Information Source: | |
Data Source: | IOGP |
Revision Date: | January 18, 2021 |
Change Id: |
[1996.220] [2002.860] [2015.062] |
|
Meta Data |
Remarks: | The international reference meridian as defined first by the 1884 International Meridian Conference and later by the Bureau International de l'Heure (BIH) and then the International Earth Rotation Service (IERS). |
Information Source: | OGP |
Data Source: | IOGP |
Revision Date: | January 18, 2021 |
Change Id: |
[1996.290] [2016.045] |
|
Applicable CRS-s: |
The following CRS are based on this datum:
[Lao 1993] [Lao 1993] [Lao 1993] |
Meta Data |
Remarks: | Replaces Vientiane 1982. Replaced by Lao 1997 |
Information Source: | National Geographic Department |
Data Source: | OGP |
Revision Date: | January 18, 2021 |
Change Id: |
[2008.045] |
|
Coordinate System: | Ellipsoidal 3D CS. Axes: latitude, longitude, ellipsoidal height. Orientations: north, east, up. UoM: degree, degree, metre.
Coordinate System Details
|
Name: | Ellipsoidal 3D CS. Axes: latitude, longitude, ellipsoidal height. Orientations: north, east, up. UoM: degree, degree, metre. |
Code: | 6423 |
Axes: |
Order |
Name |
Abreviation |
Direction |
Unit |
1 |
Lat |
Geodetic latitude |
north |
degree (supplier to define representation)
Unit Details
|
Unit Name: | degree (supplier to define representation) |
Unit Code: | 9122 |
Type: | angle |
Target Unit: | radian
Unit Details
|
Unit Name: | radian |
Unit Code: | 9101 |
Type: | angle |
Target Unit: | radian |
Meta Data |
Remarks: | SI standard unit. |
Information Source: | ISO 1000:1992 |
Data Source: | IOGP |
Revision Date: | January 18, 2021 |
Change Id: |
[2015.062] |
|
Meta Data |
Remarks: | = pi/180 radians. The degree representation (e.g. decimal, DMSH, etc.) must be clarified by suppliers of data associated with this code. |
Information Source: | OGP |
Data Source: | IOGP |
Revision Date: | January 18, 2021 |
Change Id: |
[2015.062] |
|
2 |
Lon |
Geodetic longitude |
east |
degree (supplier to define representation)
Unit Details
|
Unit Name: | degree (supplier to define representation) |
Unit Code: | 9122 |
Type: | angle |
Target Unit: | radian
Unit Details
|
Unit Name: | radian |
Unit Code: | 9101 |
Type: | angle |
Target Unit: | radian |
Meta Data |
Remarks: | SI standard unit. |
Information Source: | ISO 1000:1992 |
Data Source: | IOGP |
Revision Date: | January 18, 2021 |
Change Id: |
[2015.062] |
|
Meta Data |
Remarks: | = pi/180 radians. The degree representation (e.g. decimal, DMSH, etc.) must be clarified by suppliers of data associated with this code. |
Information Source: | OGP |
Data Source: | IOGP |
Revision Date: | January 18, 2021 |
Change Id: |
[2015.062] |
|
3 |
h |
Ellipsoidal height |
up |
metre
Unit Details
|
Unit Name: | metre |
Unit Code: | 9001 |
Type: | length |
Target Unit: | metre |
Meta Data |
Remarks: | Also known as International metre. SI standard unit. |
Information Source: | ISO 1000. |
Data Source: | IOGP |
Revision Date: | January 18, 2021 |
Change Id: |
[2015.062] |
|
|
Meta Data |
Remarks: | Horizontal coordinates referenced to this CS are in degrees. Any degree representation (e.g. DMSH, decimal, etc.) may be used but that used must be declared for the user. Used in geographic 3D coordinate reference systems. |
Information Source: | OGP |
Data Source: | IOGP |
Revision Date: | January 18, 2021 |
Change Id: |
[2008.045] [2015.018] |
|
Base Geographic CRS: | Lao 1993
Details
|
Name: | Lao 1993 |
Code: | 4990 |
CRS Type: | geocentric |
Area Of Use: |
Laos
Area Details
|
Area Name: | Laos |
Area Code: | 1138 |
Description: | Laos. |
Extents: |
|
22.5 ° |
|
100.09 ° |
|
107.7 ° |
|
13.92 ° |
|
|
Meta Data |
Information Source: | ISO 3166 Maintenance Agency. ftp://ftp.fu-berlin.de/pub/doc/iso |
Data Source: | OGP |
Revision Date: | January 18, 2021 |
Change Id: |
[2002.341] [2012.040] [2014.025] |
|
Datum: |
Lao 1993
Datum Details
|
Datum Name: | Lao 1993 |
Code: | 6677 |
Area Of Use: |
Laos
Area Details
|
Area Name: | Laos |
Area Code: | 1138 |
Description: | Laos. |
Extents: |
|
22.5 ° |
|
100.09 ° |
|
107.7 ° |
|
13.92 ° |
|
|
Meta Data |
Information Source: | ISO 3166 Maintenance Agency. ftp://ftp.fu-berlin.de/pub/doc/iso |
Data Source: | OGP |
Revision Date: | January 18, 2021 |
Change Id: |
[2002.341] [2012.040] [2014.025] |
|
Scope: | Topographic mapping. |
Type: | geodetic |
Realization Epoch: | 1993-01-01 |
Origin: | Fundamental point: Lao 1982 coordinates of Pakxa pillar. Latitude: 18°23'57.0056"N, longitude: 103°38'41.8020"E (of Greenwich). Orientation parallel with WGS 84. |
Ellipsoid: | Krassowsky 1940
Ellipsoid Details |
Name: | Krassowsky 1940 |
Code: | 7024 |
Shape: | Ellipsoid |
Semi-Major Axis: |
6378245 metre
Unit Details
|
Unit Name: | metre |
Unit Code: | 9001 |
Type: | length |
Target Unit: | metre |
Meta Data |
Remarks: | Also known as International metre. SI standard unit. |
Information Source: | ISO 1000. |
Data Source: | IOGP |
Revision Date: | January 18, 2021 |
Change Id: |
[2015.062] |
|
Inverse Flattening: | 298.3 |
Meta Data |
Information Source: | |
Data Source: | OGP |
Revision Date: | January 18, 2021 |
|
Prime Meridian: | Greenwich
Prime Meridian Details
|
Name: | Greenwich |
Code: | 8901 |
Greenwich Longitude: |
0
degree
Unit Details
|
Unit Name: | degree |
Unit Code: | 9102 |
Type: | angle |
Target Unit: | radian
Unit Details
|
Unit Name: | radian |
Unit Code: | 9101 |
Type: | angle |
Target Unit: | radian |
Meta Data |
Remarks: | SI standard unit. |
Information Source: | ISO 1000:1992 |
Data Source: | IOGP |
Revision Date: | January 18, 2021 |
Change Id: |
[2015.062] |
|
Meta Data |
Remarks: | = pi/180 radians |
Information Source: | |
Data Source: | IOGP |
Revision Date: | January 18, 2021 |
Change Id: |
[1996.220] [2002.860] [2015.062] |
|
Meta Data |
Remarks: | The international reference meridian as defined first by the 1884 International Meridian Conference and later by the Bureau International de l'Heure (BIH) and then the International Earth Rotation Service (IERS). |
Information Source: | OGP |
Data Source: | IOGP |
Revision Date: | January 18, 2021 |
Change Id: |
[1996.290] [2016.045] |
|
Applicable CRS-s: |
The following CRS are based on this datum:
[Lao 1993] [Lao 1993] [Lao 1993] |
Meta Data |
Remarks: | Replaces Vientiane 1982. Replaced by Lao 1997 |
Information Source: | National Geographic Department |
Data Source: | OGP |
Revision Date: | January 18, 2021 |
Change Id: |
[2008.045] |
|
Coordinate System: | Earth centred, earth fixed, righthanded 3D coordinate system, consisting of 3 orthogonal axes with X and Y axes in the equatorial plane, positive Z-axis parallel to mean earth rotation axis and pointing towards North Pole. UoM: m.
Coordinate System Details
|
Name: | Earth centred, earth fixed, righthanded 3D coordinate system, consisting of 3 orthogonal axes with X and Y axes in the equatorial plane, positive Z-axis parallel to mean earth rotation axis and pointing towards North Pole. UoM: m. |
Code: | 6500 |
Axes: |
Order |
Name |
Abreviation |
Direction |
Unit |
1 |
X |
Geocentric X |
Geocentre > equator/0°E |
metre
Unit Details
|
Unit Name: | metre |
Unit Code: | 9001 |
Type: | length |
Target Unit: | metre |
Meta Data |
Remarks: | Also known as International metre. SI standard unit. |
Information Source: | ISO 1000. |
Data Source: | IOGP |
Revision Date: | January 18, 2021 |
Change Id: |
[2015.062] |
|
2 |
Y |
Geocentric Y |
Geocentre > equator/90°E |
metre
Unit Details
|
Unit Name: | metre |
Unit Code: | 9001 |
Type: | length |
Target Unit: | metre |
Meta Data |
Remarks: | Also known as International metre. SI standard unit. |
Information Source: | ISO 1000. |
Data Source: | IOGP |
Revision Date: | January 18, 2021 |
Change Id: |
[2015.062] |
|
3 |
Z |
Geocentric Z |
Geocentre > north pole |
metre
Unit Details
|
Unit Name: | metre |
Unit Code: | 9001 |
Type: | length |
Target Unit: | metre |
Meta Data |
Remarks: | Also known as International metre. SI standard unit. |
Information Source: | ISO 1000. |
Data Source: | IOGP |
Revision Date: | January 18, 2021 |
Change Id: |
[2015.062] |
|
|
Meta Data |
Remarks: | Cartesian 3D CS, used in geocentric coordinate reference systems. |
Information Source: | OGP |
Data Source: | OGP |
Revision Date: | January 18, 2021 |
Change Id: |
[2008.045] |
|
Meta Data |
Remarks: | Replaced by Lao 1997. Lao 1993 coordinate values are within 1m of Lao 1997 values. |
Information Source: | National Geographic Department |
Data Source: | OGP |
Revision Date: | January 18, 2021 |
|
Projection: | geocentric to geographic3D
|
Meta Data |
Remarks: | Replaced by Lao 1997. Lao 1993 coordinate values are within 1m of Lao 1997 values. |
Information Source: | National Geographic Department |
Data Source: | OGP |
Revision Date: | January 18, 2021 |
Change Id: |
[2007.079] |