>åç®ï¼>æ£ç®åï¼Yåæ ä¸åæ¥çå·®äº0.5ï¼0.7mmï¼ä¸ç¥éæä¹åäºï¼è¿ä¸¤å¹´å·¥ä½å¿ä¹æ²¡ææ¶é´å深究ï¼ä½æ¯è¿æ ·ç计ç®ç²¾åº¦åæ§å¶è¶³å¤äºï¼å¦æ楼主ææ¯è
æ¯åªä½åä»è§æ¤è´´è½é¡ºä¾¿æè¿ä¸ªé®é¢è§£å³äºï¼å±ä»¬å°±ä¸èµ·è¿æ¥äºï¼ä»£ç å¦ä¸ï¼
'é«æ¯åæ æ£ç®
Private Sub DadiZs()
Dim t As Double, Itp As Double, X0 As Double, N As Double, L0 As Double
Dim V As Double, ll As Double, W As Double, M As Double
Lat = Radian(Lat)
Lon = Radian(Lon)
L0 = Radian(Lo)
If Tq = 0 Then
a = 6378245 '54æ¤çåæ°
b = 6356863.01877305
ep = 0.006693421622966
ep1 = 0.006738525414683
f = (a - b) / a
c = a ^ 2 / b
d = b ^ 2 / a
X0 = 111134.8611 * (Lat * 180# / Pi) - (32005.7799 * Sin(Lat) + 133.9238 * (Sin(Lat)) ^ 3 + 0.6973 * (Sin(Lat)) ^ 5 + 0.0039 * (Sin(Lat)) ^ 7) * Cos(Lat)
'X0 = 111134.8611 * (Lat * 180# / Pi) - (32005.7798 * Sin(Lat) + 133.9238 * (Sin(Lat)) ^ 3 + 0.6972 * (Sin(Lat)) ^ 5 + 0.0039 * (Sin(Lat)) ^ 7) * Cos(Lat)
Else