GIS - RSO to WGS84 conversion script

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Requirements:

- Need script to convert RSO (MRSO) to WGS84

- Preferred language for the script is Groovy, but no hard restrictions on it

Datum Values :

Coordinate System Parameters

CS_NAME: MAL-MRSO

DESC_NM: Peninsula Malaysia, RSO System, Metres

DT_NAME: KERTAU48

GROUP: ASIA

MAP_SCL: 1

PARM1: 105.23644287499999

PARM2: -0.00017220000000000001

PARM3: -36.869897610000002

PROJ: RSKEWC

QUAD: 1

SCL_RED: 0.99983999999999995

SOURCE: Autodesk

UNIT: METER

X_OFF: 804671.29960000003

Datum Parameters

DELTA_X: -11

DELTA_Y: 851

DELTA_Z: 5

DESC_NM: Kertau 1948, West Malaysia & Singapore

ELLIPSOID: EVRST-MD

SOURCE: US Defense Mapping Agency, TR-8350.2-B, December 1987

USE: MULREG

Ellipsoid Parameters

DESC_NM: Everest 1830, Modified Malaysia and Singapore 1948

E_RAD: 6377304.0630000001

P_RAD: 6356103.0389999999

SOURCE: US Defense Mapping Agency, TR-8350.2-B, December 1987

OGC WKT Description

PROJCS["Peninsula Malaysia, RSO System, Metres",

GEOGCS["Kertau 1968",

DATUM["Kertau_1968",

SPHEROID["Everest 1830, Modified Malaysia and Singapore 1948",6377304.063,300.8017000971212,

AUTHORITY["EPSG","7018"]],

AUTHORITY["EPSG","6245"]],

PRIMEM["Greenwich",0],

UNIT["degree",0.0174532925199433],

AUTHORITY["EPSG","4245"]],

PROJECTION["Hotine_Oblique_Mercator_Azimuth_Center"],

PARAMETER["latitude_of_center",-0.0001722],

PARAMETER["longitude_of_center",105.236442875],

PARAMETER["azimuth",-36.86989761],

PARAMETER["rectified_grid_angle",90],

PARAMETER["scale_factor",0.99984],

PARAMETER["false_easting",804671.2996],

PARAMETER["false_northing",0],

UNIT["METER",1]]

Sample Values: The output lat and long values should match with the below for a given set of RSO coordinates.

CODE input_RSO_X input_RSO_Y output_lat_y output_long_x

0001 421598.808 338734.772 3.061018474 101.789018

0002 421566.009 338779.991 3.061426751 101.788722

0003 421601.299 338798.398 3.061593937 101.7890391

0004 421524.648 338821.162 3.061798245 101.7883491

0005 421556.295 338837.932 3.061950552 101.7886335

0006 421499.869 338871.367 3.062251777 101.7881252

0007 421528.61 338886.029 3.062384961 101.7883834

0008 421468.181 338981.242 3.063244804 101.7878379

0009 421503.065 338970.847 3.063151506 101.7881519

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Projekt ID: #14439079

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