d and see Whether Uis oi. 
p 
au 
0 interchange the 
ptieal paths of ding 
Permit a py, ax 
In each of the two | 
ed. a 
paths with respect tj, 
Will be clear that fhe, 
lations take Some liv 
he processes of sterergy, 
are rapid ones, Also ü 
manipulations as Well x 
Éfect bring about with they 
ain degree of confusiy 
Are reasons why thes s 
are not fullprof j fhe 
and uncomfortable in they 
al application, 
e ideal way to interchag 
copies would be one thai 
d by merely pushing a by. 
neless to the observer af 
effecting in any way {| 
Ez 
| of the stereoscopic en. 
.  Stereophotogrammet: 
ents can be easily ada 
eve before mentioned is 
interchanging stereoscopis 
illuminate the photograpk 
os that are received at bil 
iating light sourees, Ite- 
e switch at the A.C. sul 
B) 0, 
height (9) 
  
shits. It is interesting f 
  
3 
3 where the terrain 1s supposed to be flat and covered with parallel- 
; o XV : : 3 23 : 
See fur T es /[h in height perpendicular to the air base. The hidden ground in- 
ut : edg Zi 
stantial 
gequidi 
da io ratio. 
roportional to the base/height rati : : 
eases here p je perception depends on the compulsion stimuli to fuse disparate 
opic : a ; : . 
The ni m re where homologous information is lacking, there decreases the 
1 0 / = = 
1). There a ivht ratio 
{ ko proportional to the base/height rati : ; 
dereopsis a that a valuable improvement is added to the Stereoscopic procedures of 
Thus we Ju d sed on higher vertical photography combined with the direct inter- 
etry, ba 
images 
phot 
ange of stereoscopies. 
(hi 
me, 
1) Binocular vision by K. N. Ogle Ph. D. 
W. B. Saunders Co. Philadelphia and London. 
) Photogrammetrie by Prof. Dr. R. Finsterwalder. 
W.de Gruyter & Co., Berlin. 
D Entwicklungstendenzen und Streitfragen in der Luftbildmessung und besonders in der 
Aerotriangulation. „Festschrift Eduard Dolezal 1952” by Prof. Dr. Ir. W. Schermer- 
  
horn,