6
FIGURE 2
connecting an object point, Oj , to an exposure station, S^, and inter
secting the photographic plane (shown in positive position) in the image
point, Iij. The algebraic equations expressing the straight line
in space are given by:
‘ID
-f
(X r X oi)a i + (Y r Yoi)bi + (Z r Zoi)Ci
(X r Xoi)di + ( Y r Y oi)e i+ (Z r Zoi)fi
13
-f
(X.-X .)a!+(Y.-Y .)b!+(Z.-Z .)c!
j 01 1 j 01 1 j 01 1
(x j- x oi )d i +(Y r Y °i )o i +(z r z oi )f i
• • t A
3.01
where :
f
( X, Y ,Z ) j
the plate coordinates of the image point, I —
the focal length of the camera lens
the three coordinates of the object point, 0•,
in a space coordinate system J
(X 0 ,Y 0 ,Z q )£ the three coordinates of the exposure station,
S^, in the same space coordinate system