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Transformation Formulas (Fig. 2)
V dnm a [(æ"01)o — (x"01)0] [Oo T Qm] — [Q/01)o — Q^ o1)o] [Gc 01) — (x^ 1] i
[G oi — G^ + (yo): — al
Vu cos, o c Gl G^ — G3] - [^w — O^] LO^)i— 0^6]
[G 0) — GT t [070 — O^ ex
(x"12)0 = Vo1 sin ao1 [(y a2» — (y" a] + Vor cos aor [(x"12)1 — (x"701)1] + (x"01)0
Oase — = Vo COS 401 [(y 12) mm (^ ^11] sa Vo sin O01 [( X un rr (x! ^a] d (y” ^01)o (2)
(x^ ^12)o — Voi sin aor [(y 2 — (y” "o1 ] t Va cos ao [( x^ ^12) tm (x^ ‘01)1 ] + (a^ “01)0 f
(y" 12)0 = Voi cos ao1 [^ 12)1 zu (y' "a1 ] + Voi sin ao1 [x i2) (s^ ‘01)1 ] + (y ‘01)0
Where: Voi = the scale ratio between the Mo and Mi systems
aor = the azimuth difference between the My and M; systems
(x"01)o (Y"01)o and (x"01)1 (Y"01)1 = the coordinates of the connection point
01° in the Mo and Mi systems respectively
(x"o1)o (^ 01)o and (x"01)1 (y"o1)1 7 the coordinates of the connection
point 01" in the Mo and M1 systems respectively
Transformation Formulas (Fig. 3)
E e [(x"01)0 — (x?o1)o] [ak es i ]— [(y'o1)o — i 2 ][(x"01)1 — (x°61)1!
Voaisnenu = a D i
[o 01)o — ( y? 01 don — y °01)1 ]
p + [a^ 01)1 me (x 01 nr
[(x"01)0 e (x?o1)o] [^ 01)1 mem (x? el ibt 0
d
V'o91cosa o1 — [(¥ 01)1 — (y?01) t IG'nh— Go).
pU sno n = jo” «je = (x?o1)o] [Cy e eu e Ge d [(x"01)1 — (x°01)1]
01 SIN & 01 [(»” 01)1 — ( y? 01 dE [(x^ 01)1 — ( x01 AP
(4)
127 s [(x^"1)o — (x?o1)o] [(x^ 01) — (x°01)1] + EGO" o)e — (¥°01)0] [(¥” 01) — On]
01 COS @ 01 er” 01)1 — ( y "ni B+ | [x^ 01)1 mi 01)1 E
V'o sin af d- V^oi sin a^9
l7: cos a" = 2
V'o cos aoi -- V^ cos a" 9 (5)
l7^5 sin doi = 2
(x°12)0 = V™o1 sin a™o1 [(¥°12)1 — (y?o1) V" cos a™o1 [ (x°12)1 — (x%01)1] + (x°01)o (6a)
(¥°12)0 = V™o1 cos a™o1 [(¥°12)1 — (¥°01)1] + Vor sin a™o1 [(x°12)1 — (x°01)1] + (y?01)o
(x"12)0 = V" sin a"
(y'12)o = V" cos a"o;
[ iH
[ ]
[5^ 2)1 — (y? 01)1 ] d V" cos o"9 [x 12) mum (xo 01)1 ] + (x?o1)o
[(y12). — (y?o1)4] + Vor sin à"o1 [(X 12)1 — (x°01)1] + (9°01)o (6b)
]
(x^12)o 7 V"; sin aoi [ ^ 12) 1 — (y?oi] + V™01 cos a™o1 [ (x”12)1 — (x®01)1] + (x%01)0 x
(y”ı2)0 = V"91 cos a"o1 [^13 — (9° 01)1] + V""o1 sin "os [(x"12)1 — (x°01)1] + (9°01)o (6c)
Where: V'à V^o = the scale ratio between the Mo and Mi systems computed
from the connection point 01° and the connection points 01’ and 01”
respectively;
a91G0 ^01 = the azimuth difference between the Mo and M1 systems
computed from the connection point 01° and the connection points 01”
and 01” respectively;
(x°01)o (Y°01)o and (x°01)1 (¥°01)1 = the coordinates of the connection
point 01? in the Mo and Mi systems respectively etc.