Description of CRS - IT_ROMA40 / EAST_WEST| Attribute | Entry |
|---|
| Country | Italy |
| Country identifier | IT |
| CRS identifier | IT_ROMA40 / EAST_WEST |
| CRS alias |
|
| CRS valid area | Italy |
| CRS scope | |
| CRS remarks |
|
| Datum identifier | ROMA40 |
| Datum alias |
|
| Datum type | geodetic |
| Datum anchor point | Italy, Roma, M. Mario,
Lat = 41°55'25.51" N,
Lon = 12°27'08.40" E |
| Datum realization epoch | |
| Datum valid area | Italy |
| Datum scope |
|
| Datum remarks |
|
| Prime meridian identifier | Roma, M. Mario |
| Prime meridian greenwich longitude | 12°27'08.400" E |
| Prime meridian remarks | |
| Ellipsoid identifier | Hayford 1909 |
| Ellipsoid alias | International 1924 |
| Ellipsoid semi major axis | 6 378 388 m |
| Ellipsoid shape | true |
| Ellipsoid inverse flattening | 297 |
| Ellipsoid remarks | |
| Coordinate system identifier | EAST_WEST |
| Coordinate system type | projected |
| Coordinate system dimension | 2 |
| Coordinate system remarks | |
| Coordinate system axis name | X / northing |
| Coordinate system axis direction | North |
| Coordinate system axis unit identifier | metre |
| Coordinate system axis name | Y / easting |
| Coordinate system axis direction | East |
| Coordinate system axis unit identifier | metre |
| Operation identifier | EAST_WEST |
| Operation valid area | Italy |
| 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 | 6 |
| Operation method remarks | Transverse Mercator Projection or also named in this case
as Gauss Boaga Conformal Projection
Zone West also named as Zone 1
Zone East also named as Zone 2 |
| Operation parameter name | latitude of origin |
| Operation parameter value | 0° |
| Operation parameter remarks | 0°, the Equator |
| Operation parameter name | longitude of origin of zones |
| Operation parameter value | zone WEST: 9° E
zone EAST: 15° E |
| Operation parameter remarks | longitude wrt Roma, M. Mario:
zone WEST: 3°27'08.400" W
zone EAST: 2°32'51.600" E |
| Operation parameter name | false northing |
| Operation parameter value | 0 m |
| Operation parameter remarks | |
| Operation parameter name | false easting of zones |
| Operation parameter value | zone WEST: 1 500 000 m
zone EAST: 2 520 000 m |
| Operation parameter remarks | |
| Operation parameter name | width of zones |
| Operation parameter value | 6° |
| Operation parameter remarks | |
| Operation parameter name | scale factor at central meridian |
| Operation parameter value | 0.9996 |
| Operation parameter remarks | |