Description of Transformation - NL_RD to ETRS89| Attribute | Entry |
|---|
| Operation identifier | NL_RD to ETRS89 |
| Operation identifier alias |
|
| Country | Netherlands |
| Country identifier | NL |
| Operation valid area | Netherlands |
| Operation scope | |
| Source coordinate reference system identifier | NL_RD (X, Y, Z) |
| Target coordinate reference system identifier | ETRS89 (X, Y, Z) |
| Operation version | official since 01.01.2005
parameters originally determined based on 13 points of
NEREF91 campaign, validated in 1998 using 418 points of
national GPS-base network, corrected in 2004 for a new
realisation of ETRS89 based on 4 AGRS.NL stations |
| Operation method name | 7 parameter Helmert transformation |
| Operation method name alias | Position Vector Transformation |
| Operation method formula | see www.rdnap.nl (1)
-or-
Polman.J, Salzmann, M. A.: Handleiding voor de Technische
Werkzaamheden van het Kadaster, Kadaster, Apeldoorn, 1996
(2)
-or-
7 Parameter Helmert Transformation regarding ISO
|X| |X| |Tx| | 0 -Rz Ry | |X| |X|
|Y| = |Y| + |Ty| + | Rz 0 -Rx | * |Y| + D * |Y|
|Z| |Z| |Tz| |-Ry Rx 0 | |Z| |Z|
T S S S
T ... Target Datum
S ... Source Datum
Tx, Ty, Tz ... geocentric X/Y/Z translations [m]
Rx Ry, Rz ... rotations around X/Y/Z axis [radian]
D ... correction of scale [ppm]
REMARKS: sources (1) and (2) have the same formula, but
different definition of signs of rotations, rotations signs
of specified parameters are regarding formula above |
| Operation method parameters number | 7 |
| Operation method remarks |
|
| Operation parameter name | geocentric X translation |
| Operation parameter value | +565.24 m |
| Operation parameter remarks | |
| Operation parameter name | geocentric Y translation |
| Operation parameter value | +50.01 m |
| Operation parameter remarks | |
| Operation parameter name | geocentric Z translation |
| Operation parameter value | +465.66 m |
| Operation parameter remarks | |
| Operation parameter name | rotation X-axis |
| Operation parameter value | -1.9725*10^-6 rad |
| Operation parameter remarks | or -0.4069" (in offical provided data from NL sign of
rotation is invers because of other sign defination of
rotations in formula, the displayed sign is regarding the
formula above) |
| Operation parameter name | rotation Y-axis |
| Operation parameter value | +1.7004*10^-6 rad |
| Operation parameter remarks | or +0.3507" (in offical provided data from NL sign of
rotation is invers because of other sign defination of
rotations in formula, the displayed sign is regarding the
formula above) |
| Operation parameter name | rotation Z-axis |
| Operation parameter value | -9.0677*10^-6 rad |
| Operation parameter remarks | or -1.8703" (in offical provided data from NL sign of
rotation is invers because of other sign defination of
rotations in formula, the displayed sign is regarding the
formula above) |
| Operation parameter name | correction of scale |
| Operation parameter value | +4.0812*10^-6 |
| Operation parameter remarks | or +4.0812 ppm |