Tis 2 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
n > 
are Bending of a grid plate strip. | 
(x, y) are corrected for vertical inclination, but not adjusted in (x, y) plane. 
(Unit of deviation from corners is 10 m.) 
o o x A | 
y | = © o lo € i 
^ 
e 
) . o 2 6. e o q 
M 
/ 
*« 
AY a. i 
nts Lx 4 + L 9 L 9 1 91 À Oo | 1 4 Ol d i L A 
' 
AX ————— X. 
ect Fi 3 
; ig. « 
rix = : 
Residual errors at the corners of a grid plate strip after conformal transformation by 6 control points. 
(Unit of deviation from corners is 1 m.) 
x x x e 
Hi 8 k 5 & S 
14) ' 
| 
1. 9 ’ 3 a1 ? 5 S 2 
)n- 
iv A A 2 A. A A L A. À. o À i s À 4. > À LX À À # + a l | | 
[e Ax etre ee X ll 
d) Control points are represented by ©. x and () show discrepancies at common points. 
Fig. 4 P 
Residual errors at the corners of a grid plate strip after conformal transformation by 3 control points. * 
I I y I | 
Xx j 
9 X + > k d e M 
L © o | | 
of n 
' E 
- x q X é à > ii | 
+ | i 
Ay ig | 
X ^ EE 
4 i A 1 i- i 1 d 1 L 8 À A 4 à A I A Sr À A 3 A A > | | | 
a P 
Control points are represented by ©. x and () show discrepancies at common points. Hi 
1€ 
ly Fig. 5 T 
Residual errors of Z at the corners of a grid plate strip after correction ii 
id for vertical inclination, by five control points. 
a x x @ 
& 5 X Y © X 5 | 
1. $ | 
n i 
n | 
)l x | © | 
=— v —— X i 
) | | o e | 
Vy | | 
S | | | 
| | | 
. à | x 
e L tree nid aid eu x 3 1 Os 1 A 1 1 1 | 1 1 
— P m x e 5 x 3 
S > 2 | 
A Z-0000029X-— 0,0006332:t0.0285411—1.81560 t7 | 
I 
control points are represented by ©. X and () show discrepancies at common points. 
  
5