Preliminary results:
Mean square value of the residual parallaxes at photo scale 1: 80.000 in the
points used. for relative orientation:
Mean square value Average number of points
Strip of parallaxes used for relative orientation Measured
1 6,9 y 12 Mar. 15-Mar. 23
2 6,3 12 Mar. 23-Mar. 31
3 7,4 12 Mar. 31-Apr. 11
6 6,5 12 Apr. 12-May 2
4 6,6 12 May 4-May 9
5 6,4 11,2 May 9-May 13
7 5,4 9,7 May 16-May 24
8 4,9 9,4 May 24-May 31
4 repeat 5,0 11,3 May 31-June 1!
| Maximum differences between unadjusted strips after first transformation and
| levelling if no differences are left in first and last tie point in each overlap:
Maximum Maximum
Strips X-dafference Y-difference
1-2 — 26 m +34 m
2-3 + 38 — 22
3-4 — 10 d- 16
4 — 5 — 4 + 29
5—6 +36 — 96
6 — 7 — 48 + 34
7-8 + 74 — 26
Residual errors in eight ground control points used for preliminary adjustment
of block as a whole:
Point X-error Y-error
3 — 12,7 m + 73m
5 — 11,9 + 6,3
| 4 1,9 — 8]
| 41 — 15,0 — 16:6
| 271 + 21,8 a
| 275 T5 +} 3,2
d 297 + $6 + 84
| 299 + 10,5 + 10,9
Mean square value of the relative error in tie points, that is, in the deviation of
their coordinates from the average obtained from two strips:
in X in Y Total
1,8 m 1,8 m 25 m».
Milan July 31st, 1960.
40
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