Description of CRS - AL_ALB87 / TM_6Attribute | Entry |
---|
Country | Albania |
Country identifier | AL |
CRS identifier | AL_ALB87 / TM_6 |
CRS alias |
|
CRS valid area | Albania |
CRS scope | |
CRS remarks |
|
Datum identifier | ALB87 |
Datum alias | Albanian System 1987 |
Datum type | geodetic |
Datum anchor point |
|
Datum realization epoch | 1987 |
Datum valid area | Albania |
Datum scope | to fullfill the requirements of mapping till
1:10 000 scale (on account of accuracy) and perspective
maps at 1:5000 scale (of density) |
Datum remarks |
|
Prime meridian identifier | Greenwich |
Prime meridian greenwich longitude | 0° |
Prime meridian remarks | |
Ellipsoid identifier | Krassovsky 1940 |
Ellipsoid alias | |
Ellipsoid semi major axis | 6 378 245 m |
Ellipsoid shape | true |
Ellipsoid inverse flattening | 298.3 |
Ellipsoid remarks | |
Coordinate system identifier | TM_6 |
Coordinate system type | projected |
Coordinate system dimension | 2 |
Coordinate system remarks | |
Coordinate system axis name | northing |
Coordinate system axis direction | North |
Coordinate system axis unit identifier | metre |
Coordinate system axis name | easting |
Coordinate system axis direction | East |
Coordinate system axis unit identifier | metre |
Operation identifier | TM_6 |
Operation valid area | Europe |
Operation scope | |
Operation method name | Transverse Mercator Projection |
Operation method name alias | Gauß Krüger Projection |
Operation method formula | Transverse Mercator Mapping Equations, in Hooijberg,
Practical Geodesy, 1997, pages 81-84 |
Operation method parameters number | 7 |
Operation method remarks | Transverse Mercator Projektion in zones of 6° |
Operation parameter name | latitude of origin |
Operation parameter value | 0° |
Operation parameter remarks | 0°, the Equator |
Operation parameter name | longitude of origin |
Operation parameter value | in general: central meridian (CM) of each zone
for AL: only 21° E in use |
Operation parameter remarks | central meridians 3° E, 9° E, 15° E, 21° E,.... |
Operation parameter name | false northing |
Operation parameter value | 0 m |
Operation parameter remarks | |
Operation parameter name | false easting |
Operation parameter value | in general: 500 000 + (n * 10**6) m, with n...zone number
e.g. 3 500 000 for zone number 3 (CM = 15° E)
for AL: 4 500 000 m |
Operation parameter remarks | |
Operation parameter name | scale factor at central meridian |
Operation parameter value | 1.0000 |
Operation parameter remarks | |
Operation parameter name | width of zones |
Operation parameter value | 6° |
Operation parameter remarks | |
Operation parameter name | zone number n |
Operation parameter value | in general:
n = (longitude value of central meridian + 3) / 6
for AL: only zone 4 |
Operation parameter remarks | |