The real time calculations for the 3 types of analytical 
instruments are shown in the following: 
REAL TIME CALCULATION FOR 
"ANALYTICAL PLOTTERS" 
(x-x.,) + ap, 
(y=7 + 213 (z-z,) 
  
(x-x_) + as, 
(23x) + App 
(yy! * R3 (z-z.) 
(yv) * 855 (z-z,) 
  
(x-x, ) + 8o 
(y-v,) + a35 (2-2) 
inputs for handwheel & increments in x, 
== - v'sin« 
Xprev 
for Veltropolo 
ys 2 
= Y + V.COSX 
prev 
cos(y',x) 
cos(y' ,y) 
eos( y' ,z) 
cos(x",x) 
cos(x",y) 
cos(x",z) 
ue 
2 
24 
Z 
" 
Z 
(cos(x' 
| addit. R.T. input 
REAL TIME CALCULATION FOR 
"DIGIT. STEREOCARTOGRAPHS" 
py 
py 
py - 
px 
px 
px 
31 
= — 9 y - 2 y 
——» display 
21 
y1 
',y)-==cos(x",z)) - e(eos(e" , y) -z1cos(c",z)) 
21 
  
  
for points 
\ 
for contours 
Table 4 
Yı 
2, 295 (y",2) - eos (y",y) 
X4-0/ x e 
ap 2 = /2 X1,, 91 - " 
nc deu +6) = f(x") 
in addition