181
re
accuracy»
Naturally,the method described above yields only the va
lues of relative heights»For obtaining the values of absolute
heights it is necessary to coordinate the obtained matrix of
heights with the geodetic control.
The general schematic for solving the problem is shown in
Fig. 2
arimuL qlock-oiaorau foa solviuq frcblci:
|i»Tut of Initial
ZZnZTT
fòrnulaUc» of ]
I Mtrto.H
LUZ
can
j Calculation of
[»lopVo and a*l*uth*ij
[Cptroatlcm of
. brlghtnoao
ng
^••torallon of ]
fletto matrix 1
L “—J
Cal.ul.ilon of i.,^1 ITltEn,...
E?
Uod«l of
ttaoaphor«
ClT.«t radiation |
Calculation of
J DiffUalonrodia- h
1 tlon n
ko riaon
• ororln*
I K*flaat»d rudi*- lJ
j tlon
Datominbng
*onoa or
Yltlbllltj
Cooparing ori
daabçn bright]
■fW and J_
U»l Utrlo«B [~
!orr.«llo« afùlgSiÌL (71
raftrano« J“
Mia*. I ^ 1
use
iiie practical check oi the program complex was conducted
on the aerial pictures of snow-covered mountainous terrain.
Shown in Fig•3 are the pictures of one of the best areas obta
ined at two positions of the Sun.
TV"* 8 " ’*■&
—'■ VWr + e
► j '.
rS'
Fig.3 Original photos of the best area obtained at two
positions of the Sun.Enlosed in the frame is the area for which
the relief was restored by the photornetrical method.
Fig.4 shows the check map of the area.The isolines of
heights are spaced 10 m anart.
RMJZhI
è
Fig.4 Check nap of the best area.Scale - 1 : 20000.