Description of CRS - HR_HDKS / HR_TM| Attribute | Entry |
|---|
| Country | Croatia |
| Country identifier | HR |
| CRS identifier | HR_HDKS / HR_TM |
| CRS alias | HR1901, MGI1901 |
| CRS valid area | Croatia |
| CRS scope | use in filed of state surevey, cadastre and base mapping |
| CRS remarks | vertical datum are separate |
| Datum identifier | HDKS |
| Datum alias | HDKS...Hrvatski drzavni koordinatni sustav (Croatian
National Coordinate System), HR1901, MGI1901, Hermanskogel |
| Datum type | geodetic |
| Datum anchor point | Austria, Hermannskogel, Habsburgwarte,
Lat = 48°16'15.2900" N,
Lon = 16°17'41.0600" E |
| Datum realization epoch | 1901 |
| Datum valid area | Croatia |
| Datum scope |
|
| Datum remarks | HR1901 datum is inherited from Austro-Hungarian Monarchy;
see: MGI (1901): Die Ergebnisse der Triangulierungen des K.
und K. Militär-Geographischen Institutes in Wien, 1.Band |
| Prime meridian identifier | Greenwich |
| Prime meridian greenwich longitude | 0° |
| Prime meridian remarks | |
| Ellipsoid identifier | Bessel 1841 |
| Ellipsoid alias | Bessel |
| Ellipsoid semi major axis | 6 377 397.155 m |
| Ellipsoid shape | true |
| Ellipsoid inverse flattening | 299.15281285 |
| Ellipsoid remarks | |
| Coordinate system identifier | HR_TM |
| Coordinate system type | projected |
| Coordinate system dimension | 2 |
| Coordinate system remarks | |
| Coordinate system axis name | |
| Coordinate system axis direction | |
| Coordinate system axis unit identifier | |
| Coordinate system axis name | |
| Coordinate system axis direction | |
| Coordinate system axis unit identifier | |
| Operation identifier | HR_TM |
| Operation valid area | Croatia |
| 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 |
|
| 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 | 15° E, 18° E |
| Operation parameter remarks | central meridians 15° E and 18° E for Croatia |
| Operation parameter name | false northing |
| Operation parameter value | 0 m |
| Operation parameter remarks | whole territory of Croatia has positive value |
| Operation parameter name | false easting |
| Operation parameter value | 500 000 m + (n * 10**6) m, with n...zone number e.g. 5 500
000 for zone number 3 (CM = 15° E) |
| Operation parameter remarks | |
| Operation parameter name | scale factor at central meridian |
| Operation parameter value | 0.9999 |
| Operation parameter remarks | |
| Operation parameter name | width of zones |
| Operation parameter value | 3° |
| Operation parameter remarks | |
| Operation parameter name | zone numbers n |
| Operation parameter value | 5, 6 |
| Operation parameter remarks | n = longitude value of central meridian / 3 |