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Geocentric RSO Projection Parameters
Peninsular
RSO
East Malaysia
BRSO
Remark
Ellipsoid Parameters
Ellipsoid GRS 80 GRS 80
Semi-major axis, (a) 6378137.000 Meters 6378137.000 Meters
Flattening, f 1/298.2572221 1/298.2572221
Defined Parameters.
Latitude of Origin, φo 4o 00’ 00” N 4o 00’ 00” N
Longitude of Origin, λ 102o 15’ 00” E 115o 00’ 00” E
Rectified to Skew Grid,γ o
sin-1 (-0.6) sin-1 (0.8)
Azimuth of Central Line,αc
323o 01’ 32.86728” 53o 18’ 56.91582”
Scale factor, k 0.99984 0.99984
False Origin (Easting) 804,671 Meters E 0
False Origin (Northing) 0 0
Basic Longitude. λo 105o 14’ 10.58664” 109o41' 08.95525”
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PROJECTION PARAMETERPENINSULAR MALAYSIA
1 Projection Malayan Rectified Skew Orthomorphic (MRSO)old2 Ellipsoid Modified Everest
3 Semi-major axis (a) 6,377,304.063
4 Flattening (f) 1/300.8017
5 Whence e² = 0.00663784630200
6 Datum Kertau ( N 3° 27’ 50.71” ; E 102° 37’ 24.55” )
7 Conversion Factor 1 chain = 20.11678249 m (Chaney & Benoit, 1896)
8 Origin of projection 4o 00’ N ; 102o 15’ E of Greenwich
9 Scale factor at Origin 0.99984
10 False Coordinates of Projection ( 804671.2996 Meters E ; 0.00 N )
11 Initial line of projectionPasses through the Skew Origin at an azimuth of
Sin (-0.6) or 323° 01’ 32”.8458 from North
12Limit of table
North-parallel of 8o N
East-Meridian of 104o 30’ E
South-parallel of 1o N
West-Meridian of 99o 30’ E
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PROJECTION PARAMETEREAST MALAYSIA
1 Projection Borneo Rectified Skew Orthomorphic (BRSO)old 2 Ellipsoid Borneo (Modified Everest)
3 Semi-major axis (a) 6,377,298.556
4 Flattening (f) 1/300.8017
5 Whence e² = 0.00663784630200
6 Datum Timbalai 1968 ( N 5° 17’ 03.55” ; E 115° 10’ 56.41” )
7 Conversion Factor 1 chain= 20.11676512m (Sears, Jolly & Johnson, 1927)
8 Origin of projection 4o 00’ N ; 115o 00’ E of Greenwich
9 Scale Factor at Origin 0.99984
10 Coordinates of Origin ( 590476.8723 meters E ; 442857.6537 meters N )
11 Initial line of projectionPasses through the origin in an azimuth of 53° 18’
56”.9537 east of True North
12Limit of table
North-parallel of 8o N
East-Meridian of 109o 30’ E
South-parallel of 0o 50’ N
West-Meridian of 119o 30’ E
13 False Origin0 N
0 E
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TRANSFORMATION PARAMETERS USED IN PENINSULAR MALAYSIA
GDM2000 – Geocentric Datum of Malaysia
PMGSN94 - Peninsular Malaysia Geodetic and Scientific Network
( Previous WGS84 Datum adopted by JUPEM)
GDM2000 TO PMGSN94
Num Parameter
1 Translation X (dX) 1.69276 m
2 Translation Y (dX) - 1.92994 m
3 Translation Z (dX) 2.07108 m
4 Rotation X (Rx) 0.03515 "
5 Rotation Y (Ry) - 0.02858 "
6 Rotation Z (Rz) - 0.00617 "
7 Scale Factor 0.24859 ppm
8 SD of Transformation 0.025 m
PMGSN94 TO GDM2000
Num Parameter
1 Translation X (dX) - 1.69276 m
2 Translation Y (dX) 1.92994 m
3 Translation Z (dX) - 2.07108 m
4 Rotation X (Rx) -0.03515 "
5 Rotation Y (Ry) 0.02858 "
6 Rotation Z (Rz) 0.00617 "
7 Scale Factor -0.24859 ppm8 SD of Transformation 0.025 m
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PMGSN94 - Peninsular Malaysia Geodetic and Scientific Network
MRT48 – Malaysian Revised Triangulation 1948 (MRT48) – Kertau Datum
GDM2000 TO MRT48
Num Parameter
1 Translation X (dX) 381.46888 m
2 Translation Y (dX) -777.31353 m
3 Translation Z (dX) 88.68038 m
4 Rotation X (Rx) 2.63189 "
5 Rotation Y (Ry) 2.07355 "
6 Rotation Z (Rz) -12.11994 "
7 Scale Factor 0.24859 ppm
MRT48 TO GDM2000
Num Parameter
1 Translation X (dX) -381.42407 m2 Translation Y (dX) 777.33682 m
3 Translation Z (dX) -88.66677 m
4 Rotation X (Rx) -2.63177 "
5 Rotation Y (Ry) -2.07370 "
6 Rotation Z (Rz) 12.11991 "
7 Scale Factor -0.24859 ppm
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PMGSN94 TO MRT48
Num Parameter
1 Translation X (dX)379.77603 m
2 Translation Y (dX) -775.38371 m
3 Translation Z (dX) 86.60926 m
4 Rotation X (Rx) 2.59674 "
5 Rotation Y (Ry) 2.10213 "
6 Rotation Z (Rz) - 12.11377 "
8 SD of Transformation 1.321 m
MRT48 TO PMGSN94
Num Parameter
1 Translation X (dX) -379.73137 m
2 Translation Y (dX) 775.40710 m
3 Translation Z (dX) -86.59563 m
4 Rotation X (Rx) - 2.59662 "
5 Rotation Y (Ry) - 2.10228 "
6 Rotation Z (Rz) 12.11374 "
8 SD of Transformation 1.321 m
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PENUKARAN KOORDINAT DARI GEOGRAFIKAL KE CASSINI-SOLDNER
E = FE + v[A – T(A3/6) - (8 –T + 8C)T * A5/120]
N = FN + M – Mo + v*tanφ[A2/2 + (5 – T + 6C)A4/24]
di mana,
E, N = Koordinat Cassini-Soldner Hitungan
FE, FN = Koordinat Cassini-Soldner asalan
A = (λ - λo)Cosφ di mana,
λ = Longitud titik hitungan
λo = Longitud titik asalan
φ = Latitud titik hitungan
T = tan2φ
C = (e2 / (1-e2))cos2φ
V = Jejari lengkung bumi di Pugak Utama
= a / (1-e2sin2φ)1/2
M = Jarak lengkung di meridian
= a[(1 – e2/4 – 3e4/64 – 5e6/256-..)φ - (3e2/8 + 3e4/32 +
45e6/1024 + …)sin2φ + (15e4/256 + 45e6/1024 +…)sin4φ
- (35e6/3072 + …)sin6φ ..]
dengan φ dalam unit Radians.
Mo = Nilai M dihitung di latitud origin pilihan.
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PENUKARAN KOORDINAT DARI CASSINI-SOLDNER KE GEOGRAFIKAL
φ = φ1 – (v1tanφ1 / ρ1) [D
2/2 – (1 + 3T 1) D4/24]
λ = λo + [D –T 1.D3/3 + (1 + 3T 1) T1.D
5/15] / cosφ1
di mana,
φ1 = µ1 + (3e1/2 – 27e13/32+ ..)Sin2µ1 +(21e1
2/16 -
55e14/32 + ..)Sin4µ1 + (151e1
3/96 + …)Sin6µ1 +
(1097e14/512 - …)Sin8µ1 + …
ρ1 = a(1-e2) / (1 – e2sin2φ1)
3/2
v1 = a / (1 – e2sin2φ1)1/2
di mana,
e1 = 1 – (1-e2)1/2 / 1 + (1-e2)1/2
µ1 = M1 / a(1- e2/4 - 3e4/64 - 5e6/256 - ……)
M1 = Mo + (N – FN)
= Mo adalah nilai M dihitung di latitud titik origin
T1 = tan2φ1
D = (E – FE)/v1
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Koordinat Muktamad Titik-Titik Asalan
GDM2000
Stesen
Latitud (N) Longitud (E)
Ketinggian
Ellipsoidal, h (m)
Ketinggian
Geoid, N
WMGeoid04
(m)
Ketinggian
MSL
(h-N)
(m)
Gunung Belumut 2° 02’ 33.20196” 103° 33’ 39.83730” 1016.308 6.918 1009.390
Gun Hill 2° 42’ 43.63383” 101° 56’ 22.92969” 118.583 -0.668 119.251
Gunung Sinyum 3° 42’ 38.69263” 102° 26’ 04.60772” 486.453 0.445 486.008
Bukit Asa 3° 40’ 48.37778” 101° 30’ 24.48581” 263.480 -3.544 267.024
Gunung Gajah Trom 4° 56’ 44.97184” 102° 53’ 37.00496” 1205.442 -0.289 1205.731
Fort Cornwallis 5° 25’ 15.20433” 100° 20’ 40.76024” -5.722 -11.523 5.801
Gunung Perak 5° 57’ 52.82155” 100° 38’ 10.93860” 852.235 -11.387 863.622
Gunung Hijau Larut 4° 51’ 32.64488” 100° 48’ 55.47038” 1439.089 -8.335 1447.424
Bukit Panau 5° 53’ 37.07975” 102° 10’ 32.24529” 226.388 -5.697 232.085
Bukit Kertau 3° 27’ 49.89150” 102° 37’ 18.93931” 269.258 1.383 267.875
Koordinat Rujukan Cassini-Soldner
Koordinat Titik-Titik Asalan Negeri
GDM2000 Cassini-SoldnerNegeri Nama Stesen
Latitud, (N) Longitud, (E)Utaraan
(m)
Timuran
(m)
Johor Gunung Belumut 2° 02’ 33.20196” 103° 33’ 39.83730” 0.000 0.000
N.Sembilan & Melaka Gun Hill 2° 42’ 43.63383” 101° 56’ 22.92969” 0.000 0.000
Pahang Gunung Sinyum 3° 42’ 38.69263” 102° 26’ 04.60772” 0.000 0.000
Selangor Bukit Asa 3° 40’ 48.37778” 101° 30’ 24.48581” 0.000 0.000
TerengganuGunung Gajah
Trom4° 56’ 44.97184” 102° 53’ 37.00496” 0.000 0.000
P.Pinang &
S. PeraiFort Cornwallis 5° 25’ 15.20433” 100° 20’ 40.76024” 0.000 0.000
Kedah & Perlis Gunung Perak 5° 57’ 52.82155” 100° 38’ 10.93860” 0.000 0.000
PerakGunung Hijau
Larut4° 51’ 32.64488” 100° 48’ 55.47038” 0.000 0.000
KelantanBukit Panau
(Baru)5° 53’ 37.07975” 102° 10’ 32.24529” 0.000 0.000
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TRANSFORMATION PARAMETERS USED IN EAST MALAYSIA
GDM2000 – Geocentric Datum of Malaysia
EMGSN97 - East Malaysia Geodetic and Scientific Network
- (Previous WGS84 Datum adopted by JUPEM)
1. GDM2000 TO EMGSN97
Num Parameter
1 Translation X (dX) -1.04278 m
2 Translation Y (dX) -0.30902 m
3 Translation Z (dX) 0.57544 m
4 Rotation X (Rx) 0.01102 "
5 Rotation Y (Ry) - 0.03471 "
6 Rotation Z (Rz) 0.02865 "
7 Scale Factor -0.01934 ppm
8 SD of Transformation 0.029 m
2. EMGSN97 TO GDM2000
Num Parameter
1 Translation X (dX) 1.04278 m
2 Translation Y (dX) 0.30902 m
3 Translation Z (dX) -0.57544 m
4 Rotation X (Rx) - 0.01102 "
5 Rotation Y (Ry) 0.03471 "
6 Rotation Z (Rz) - 0.02865 "7 Scale Factor 0.01934 ppm
8 SD of Transformation 0.029 m
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EMGSN97 - East Malaysia Geodetic and Scientific Network
BT68 – Borneo Triangulation 1968 (Timbalai Datum)
3. GDM2000 TO BT68 (SABAH)
Num Parameter
1 Translation X (dX) 596.08297 m
2 Translation Y (dX) -624.51105 m
3 Translation Z (dX) 2.77458 m
4 Rotation X (Rx) -1.44639 "
5 Rotation Y (Ry) -0.88308 "6 Rotation Z (Rz) 1.82849 "
7 Scale Factor -10.45511 ppm
4. BT68 TO GDM2000 (SABAH)
Num Parameter
1 Translation X (dX)-596.09491 m
2 Translation Y (dX) 624.51262 m
3 Translation Z (dX) -2.78150 m
4 Rotation X (Rx) 1.44640 "
5 Rotation Y (Ry) 0.88308 "
6 Rotation Z (Rz) -1.82849 "
7 Scale Factor 10.45516 ppm
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5. EMGSN97 TO BT68 (SABAH)
Num Parameter
1 Translation X (dX) 597.12574 m
2 Translation Y (dX) -624.20202 m
3 Translation Z (dX) 2.19914 m
4 Rotation X (Rx) -1.45741 m
5 Rotation Y (Ry) -0.84837 "
6 Rotation Z (Rz) 1.79984 "
7 Scale Factor -10.43577ppm
8 SD of Transformation 0.597 m
6. BT68 (SABAH) TO EMGSN97
Num Parameter
1 Translation X (dX) -597.13759 m
2 Translation Y (dX) 624.20367 m
3 Translation Z (dX) -2.20599 m
4 Rotation X (Rx) 1.45742 "
5 Rotation Y (Ry) 0.84836 "
6 Rotation Z (Rz) -1.79984 "
7 Scale Factor 10.43582ppm
8 SD of Transformation 0.597 m
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EMGSN97 - East Malaysia Geodetic and Scientific Network
BT68 – Borneo Triangulation 1968 (Timbalai Datum)
7. GDM2000 TO BT68 (SARAWAK)
Num Parameter
1 Translation X (dX) 519.24719 m
2 Translation Y (dX) -676.12410 m
3 Translation Z (dX) 83.69672 m
4 Rotation X (Rx) 1.28440 "
5 Rotation Y (Ry) -0.51514 "
6 Rotation Z (Rz) 4.79005 "
7 Scale Factor -9.39450 ppm
8. BT68 TO GDM2000 (SARAWAK)
Num Parameter
1 Translation X (dX) -519.26763 m
2 Translation Y (dX)676.11908 m
3 Translation Z (dX) -83.69458 m
4 Rotation X (Rx) -1.28439 "
5 Rotation Y (Ry) 0.51517 "
6 Rotation Z (Rz) -4.79004 "
7 Scale Factor 9.39456 ppm
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9. EMGSN97 TO BT68 (SARAWAK)
Num Parameter
1 Translation X (dX) 520.28997 m
2 Translation Y (dX) -675.81511 m
3 Translation Z (dX) 83.12128 m
4 Rotation X (Rx) 1.27338 "
5 Rotation Y (Ry) -0.48043 "
6 Rotation Z (Rz) 4.76140 "
7 Scale Factor -9.37516 ppm
8 SD of Transformation 0.648 m
10. BT68 (SARAWAK) TO EMGSN97
Num Parameter
1 Translation X (dX) -520.31032 m
2 Translation Y (dX) 675.81011 m
3 Translation Z (dX) -83.11909 m
4 Rotation X (Rx) -1.27337 "
5 Rotation Y (Ry) 0.48046 "
6 Rotation Z (Rz) -4.76139 "
7 Scale Factor 9.37522 ppm
8 SD of Transformation 0.648 m
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FAKTOR PENUKARAN KOORDINAT DARI RSO KE CASSINI-SOLDNER
DAN SEBALIKNYA
JOHOR
ORIGIN CASSININ = 0.0 E = 0.0
ORIGIN RSON = 11227.927 E = 30745.124
R1 = -0.0098: A1 = -2.0871: A2 = -5.27113: A3 = -0.47547: A4 = -0.64384: A5 = 0.58805R2 = 0.021: B1 = 5.29886: B2 = -1.83579: B3 = -0.74017: B4 = 0.17978: B5 = -0.66614
NS/MELAKA
ORIGIN CASSININ = -47.152 E = -12.03
ORIGIN RSON = 14918.998 E = 21786.154
R1 = -0.0132: A1 = 0.04887: A2 = -19.7519: A3 = -5.29544: A4 = -1.48678: A5 = 1.39966R2 = -0.011: B1 = 19.88167: B2 = -0.08787: B3 = -3.60882: B4 = 2.40011: B5 = -1.63052
SELANGOR
ORIGIN CASSININ = 2781.802 E = -1081.656
ORIGIN RSO
N = 20245.21 E = 19407.061
R1 = 0.00454: A1 = -1.05487: A2 = -26.99523: A3 = -4.56972: A4 = -2.38486: A5 = 1.43565R2 = -0.01114: B1 = 27.09565: B2 = -0.88007: B3 = -4.10737: B4 = 2.26095: B5 = -.38064
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PERAK UTARA
ORIGIN CASSININ = 6633.947 E = 0.00
ORIGIN RSON = 26737.765 E = 15613.508
R1 = 0.0097: A1 = -1.26936: A2 = -38.99859: A3 = -2.48409: A4 = -0.09546: A5 = 0.38284R2 = -0.0085: B1 = 38.94896: B2 = -1.195: B3 = -0.4236: B4 = 1.13201: B5 = -0.44895
PERAK SELATAN
ORIGIN CASSININ = 6633.947 E = 0.00
ORIGIN RSON = 26737.765 E = 15613.508
R1 = 0.0164: A1 = -0.94169: A2 = -39.34054: A3 = -4.55691: A4 = -1.11538: A5 = 1.7355
R2 = 0.0098: B1 = 39.34524: B2 = -0.98511: B3 = -2.53941: B4 = 2.35634: B5 = -1.56404
PULAU PINANG
ORIGIN CASSININ = 0.00 E = 0.00
ORIGIN RSON = 29837.058 E = 13032.613
R1 = 0.0035: A1 = -0.70331: A2 = -48.434: A3 = -7.83333: A4 = 0: A5 = 0R2 = -0.002: B1 = 47.88313: B2 = -0.97433: B3 = 0: B4 = 0: B5 = 0
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KEDAH/PERLIS
ORIGIN CASSININ = 0.00 E = 0.00
ORIGIN RSON = 32818.535 E = 14652.327
R1 = 0.0229: A1 = -1.67791: A2 = -43.47877: A3 = -0.78177: A4 = -0.71284: A5 = -0.00789R2 = -0.0139: B1 = 43.48222: B2 = -1.60907: B3 = 0.02231: B4 = 0.28692: B5 = -0.05668
KELANTAN
ORIGIN CASSININ = 0.00 E = 0.00
ORIGIN RSON = 32402.468 E = 23123.367
R1 = -0.0055: A1 = 0.09802: A2 = -16.90028: A3 = 3.08499: A4 = 1.30902: A5 = -0.43245R2 = 0.0093: B1 = 16.79903: B2 = 0.03457: B3 = 2.12603: B4 = -1.83988: B5 = 1.14088
TERENGGANU
ORIGIN CASSININ = 0.00 E = 0.00
ORIGIN RSO
N = 27187.737 E = 27071.372
R1 = 0.0023: A1 = 0.12995: A2 = -8.66038: A3 = 4.4369: A4 = 1.61249: A5 = -1.96429R2 = 0.0022: B1 = 8.65674: B2 = 0.21035: B3 = 3.95148: B4 = -2.29659: B5 = 2.52198
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PAHANG TIMUR LAUT
ORIGIN CASSININ = 0.00 E = 0.00
ORIGIN RSON = 20402.611 E = 24530.257
R1 = 0.0074: A1 = -1.85804: A2 = -15.531: A3 = -0.26344: A4 = 0.6903: A5 = -0.80353R2 = 0.0167: B1 = 15.74953: B2 = -1.98886: B3 = 1.13755: B4 = -0.37557: B5 = 0.92214
PAHANG TENGGARA
ORIGIN CASSININ = 0.00 E = 0.00
ORIGIN RSON = 20402.611 E = 24530.257
R1 = 0.1201: A1 = -0.65021: A2 = -15.75245: A3 = -3.5823: A4 = 0.62127: A5 = -0.85946R2 = -0.1127: B1 = 15.98562: B2 = -1.29342: B3 = 1.27091: B4 = 1.81814: B5 = 0.1889
PAHANG BARAT DAYA
ORIGIN CASSININ = 0.00 E = 0.00
ORIGIN RSON = 20402.611 E = 24530.257
R1 = -0.019: A1 = -2.0555: A2 = -15.85: A3 = -0.87963: A4 = -0.85008: A5 = 0.51332R2 = 0.0142: B1 = 15.96743: B2 = -1.75774: B3 = -0.77691: B4 = 0.84104: B5 = -0.57895
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PAHANG BARAT LAUT
ORIGIN CASSINI
N = 0.00 E = 0.00
ORIGIN RSON = 20402.611 E = 24530.257
R1 = -0.0402: A1 = -1.17721: A2 = -15.97246: A3 = 2.36266: A4 = -0.47438: A5 = 0.31267R2 = -0.0392: B1 = 16.45555: B2 = -1.60681: B3 = 0.79414: B4 = -1.33406: B5 = 0.56153
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RSO KE CASSINI - SOLDNER
Anggaran Pertama
N(CASS)1 = ∆N(RSO) - (R1+X1A1+Y1A2+X1Y1A3+X1²A4+Y1²A5)E(CASS)1 = ∆E(RSO) - (R2+X1B1+Y1B2+X1Y1B3+X1²B4+Y1²B5)
N(CASS)1 : Koordinat Cassini Utara/Selatan – Anggaran 1E(CASS)1 : Koordinat Cassini Timur/Barat – Anggaran 1∆N(RSO) : Koordinat Utara RSO Stesen – Koordinat Utara Origin∆E(RSO) : Koordinat Timur RSO Stesen – Koordinat Timur OriginX1 : ∆N (RSO)/10000
Y1 : ∆E (RSO)/10000
Anggaran Kedua :
N(CASS)Final = ∆N(RSO) - (R1+X2A1+Y2A2+X2Y2A3+X2²A4+Y2²A5)E(CASS)Final = ∆E(RSO) - (R2+X2B1+Y2B2+X2Y2B3+X2²B4+Y2²B5)
X2 : N(CASS)1) /10000Y2 : E(CASS)1) /10000
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CONTOH PENGIRAAN DARI RSO KE CASSINI SOLDNER
Negeri : Johor
Origin : G. Belumut
Koordinat Origin Negeri Johor
CASS-U: 0.00 Rantai = 0.00 MeterCASS-T: 0.00 Rantai = 0.00 Meter
Koordinat Origin dalam RSO
RSO-U : 11227.927 rantai
RSO-T: 30745.124 rantai
Unit rantai didarab dengan factor penukaran
RSO-U : 11227.927 X 20.11678249 = 225869.7653 meterRSO-T : 30745.124 X 20.11678249 = 618492.9721 meterFaktor
R1 -0.0098 A5 0.58805R2 0.021 B1 5.29886
A1 -2.0871 B2 -1.83579A2 -5.27113 B3 -0.74017A3 -0.47547 B4 0.17978A4 -0.64384 B5 -0.66614
Contoh Koordinat Stesen yang hendak dikira:
RSO-U: 14168.94900 Rantai
RSO-T: 29246.11700 Rantai
Anggaran Pertama
Dari formula
N(CASS)1 = ∆N(RSO) - (R1+X1A1+Y1A2+X1Y1A3+X1²A4+Y1²A5)
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E(CASS)1 = ∆E(RSO) - (R2+X1B1+Y1B2+X1Y1B3+X1²B4+Y1²B5)
∆N(RSO) = Perbezaan Koordinat Utara Stesen yang hendak dikira dengankoordinat Utara stesen origin (RSO)
= 14168.94900 - 11227.927 = 2941.02200 Rantai
∆E(RSO) = Perbezaan Koordinat Timur Stesen yang hendak dikira dengankoordinat Timur stesen origin (RSO)
= 29246.11700 - 30745.124 = -1499.00700 Rantai
X1: = ∆N(RSO)/10000 = 2941.02200/10000 = 0.2941022 Y1: = ∆E(RSO)/10000 = -1499.00700/10000 = -0.1499007
N(CASS)1 = 2941.02200 – [(-0.00980)+(-0.613820702)+0.790146077+0.02096163+-0.055689652+ 0.013213613]
2941.02200 - 0.14501 = 2940.87699
E(CASS)1 = -1499.00700 – [0.02100+1.558406383+0.275186206+0.032631228+0.01555027+(-0.014968312)]
-1499.00700 - 1.88781 = -1500.89481
Anggaran Kedua
Dari Formula
N(CASS)Final = ∆N(RSO) - (R1+X2A1+Y2A2+X2Y2A3+X2²A4+Y2²A5)E(CASS)Final = ∆E(RSO) - (R2+X2B1+Y2B2+X2Y2B3+X2²B4+Y2²B5)
X2 = Nilai N(Cass)1 dibahagi dengan 10000 = 2940.87699/10000 = 0.294087699Y2 = Nilai E(Cass)1 dibahagi dengan 10000 = -1500.89481/10000 = -0.150089481
N(CASS)Final = 2941.02200-[(-0.00980)+( -0.613790436)+ 0.791141164+0.020986994+(-0.05568416)+ 0.013246915]
= 2941.02200 - 0.14610 = 2940.8759 unit dalam rantai
E(CASS)Final = -1499.00700-[0.02100+1.558329544+0.275532768+0.032670711+0.015548736+(-0.015006037)]
= -1499.00700-1.88808 = -1500.89508 unit dalam rantai
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CASSINI-SOLDNER KE RSO
N(RSO) = ∆N(CASS) + N(ORSO)+(R1+XA1+YA2+XYA3+X²A4+Y²A5)E(RSO) = ∆E(CASS) + E(ORSO)+(R2+XB1+YB2+XYB3+X²B4+Y²B5)
∆N(CASS) : Koordinat Utara Cassini Stesen – Koordinat Utara Origin∆E(CASS) : Koordinat Timur Cassini Stesen – Koordinat Timur OriginN(ORSO) : Koordinat Utara Stesen Origin dalam RSOE(ORSO) : Koordinat Timur Stesen Origin dalam RSOX : ∆N(CASS)/10000Y : ∆E (CASS)/10000
Semua nilai adalah dalam unit rantai ( Guna nilai 20.11678249 sebagai faktor penukaran)
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GDM2000
RSO
GEOSENTRIK
CASSINIGEOSENTRIK