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Bahan-GG-8

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Transformasi Konform Tiga-Dimensi(Model Helmert)⎡X⎢ ⎢ Y⎢⎣Z⎤⎥= s⎥⎦⎥⎤⎥⎥⎦⎥⎡+⎢T⎢⎣⎢T2 1 Tx22⎡XR⎢ ⎢ Y⎢⎣Z11yz⎤⎥⎥⎥⎦R=⎡ cosβcosγ⎢− cosβsinγ⎢⎣⎢sinβcosαsinγ + sin αsinβcosγcosαcosγ − sin αsinβsinγ− sin αcosβsinαsinγ− cosαsinβcosγ⎤sinαcosγ+ cosαsinβsinγ⎥⎥cosαcosβ ⎥⎦Sebelum transformasi, diperlukan nilai semua parameter :Matriks rotasi R translasi T ,T ,T )( x y zfaktor skala (s)Semua parameter dapat ditentukan berdasarkan titik sekutu.Dalam hal ini diperlukan paling sedikit 3 buah titik sekutu.

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