台灣座標系統相關參數(TWD67, TWD97, WGS84, Hu-Tzu-Shan)
底下是目前所瞭解的台灣各座標系統的詳細參數. 不過各參數間似乎有著不小的差距.
1. WGS84
a: 6378137.0
b: 6356752.3142
f: 298.257223563
dx: 0
dy: 0
dz: 0
rx: 0
ry: 0
rz: 0
s: 0
2. Hu-Tzu-Shan(虎子山, International 1924橢球)
a: 6378388.0
b: 6356911.9461
f: 297
dx: -637
dy: -549
dz: -203
rx: 0
ry: 0
rz: 0
s: 0
3. TWD97(GRS80橢球)
a: 6378137.0
b: 6356752.3141
f: 298.257222101
4. TWD67-1(International 1967 橢球)
a: 6378160.0
b: 6356774.7192
f: 298.25
dx: -764.558
dy: -359.515
dz: -180.510
rx: 0.00003863
ry: 0.00001721
rz: 0.00000197
s: 0.99998180
5. TWD67-2(International 1967 橢球)
a: 6378160.0
b: 6356774.7192
f: 298.25
dx: -750.739
6. TWD67-3(橢球未知)
a: 6378155.0
b: 6356769.7359
f: 298.257223481
dx: -767
意見
你好，在此頁之
4. TWD67-1(International 1967 橢球)的部分，
我查到網址link中，
dx應該是-750.739才對。
原表中所記之-764.558似乎應是你表中TWD67-2的值，
參考此頁。
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