00) the di- 
elevation 
ot exceed 
or (in the. 
ntrol point 
i 
nm in the 
planimet- | 
ts for | 
jro in ste- 
n the scale 
à flat | 
od © 0,35m 
ntry 20, 50m 
nd 1:2 000 
of orienta- 
photo trian 
sed 20, 28m 
in cat. II 
a of orient 
axceed | 
2 map scale 
3 of the 
10uld not 
contour li 
orientation 
ld not excel 
ns of the m 
a level ar 
trical levé 
n of distal 
  
   
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
Country 
No. 
= 
Austria | 1 Numerical (DroJerie) Yes 1:1 000 Book 
f : 2 planimetry m==10cn 
0,02-0,03mm height m=+25cm 
1:10 000 I 
planimetry m=-60cm 
height m=+60em 
Belgium | 1 Numerical Parallax Planimetr Yes 
0,01 nm T zT = . 10cm 
x J 
beight T,» -10em 
Brazil 3 Opticel-mechan., Possibility of Best setting of Form. 
numerical observation by ploating mark 
minim.parallax. 
Bulgaria] 1 Optical-mechan, 1/2 of floating | Plenimetry = O,2mm Book 
mark. on map scale, 
height 1/10 of contour 
lines inter. 
Burma 1 Optical-mechan. 0,02mm on image : 1/4 of contour li- Form 
scale nes interval 
Cambodge| 1 Optical-mechan. 0,03ma 2/100 French instruct. 
Canada 1 Empirical y-perallax Planimetry Tos mm Form 
0, 02mm on map scale, 
height 61 em 
Czecho- | 1 Optical-mechan., According to ca- | Yes Forn 
Slovakia numerical mera parameters. 
b=0,05 mm 
Denmark | 1 Optical -mechan. No + 0,3 %. H Form 
England | 1 Optical -mechan, No 1/8 000 H Form