creens. 
printed. On the 
t hand side the 
e are inclined 
n these negatives 
magery however we 
ult, and not H and 
tone will not give 
hat the darkest 
ave no screen dots 
above under (a) 
producers offer 
tion of mapping 
he subject. 
pear to serve 
a tool in the 
1971) about two+ 
le and much of 
id has terrain 
would appear to 
as map products. 
oth for evaluation 
raluation for the 
‚sion compilation 
id by direct itrans~ 
es and make re- 
1e preparation of 
availability of 
ad dye-scribe 
nap compilation 
om patterned along 
oduce both ortho- 
rd line symbol maps. 
on may be done on 
ormation is 
later stage of 
attempt at carto- 
y reproduced as 
  
  
PROJECT AUTHORIZATION 
  
  
  
  
  
AERIAL PHOTOGRAPHY 
High altitude Low altitude 
(for orthophotos) (for contours) 
  
  
1 
s 
  
RTHOPHOTOS (approx. 1:24,000) 
  
: 
e 
  
  
CARTOGRAPHIC PRE-EDITING 
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
  
FIELD PHASES 
e Identify hor. & vert. basic control 
e Additional vert. control for high altitude photos} 
e Interpretation and classification 
e Supplemental vert. control (if required) 
or T 
petat X 
AEROTRIANGULATION 
Horizontal (and vert., if selected) points 
by analytical methods 
i 
ORTHOPHOTOQUADS (1:24,000) 
Publish for areas having no up-to-date maps. 
+ 
À 
MONOSCOPIC COMPILATION (on image base) 
I dem e Culture > final scribe 
emt frm ; | e Woodland 
Additions ] | 
to | k ve 3 » 
planimetric Y 
detail ] STEREOCOMPILATION 
mn En at : jd 
© (use orthophoto image to position 
— low-altitude models) 
e¢ Contours > final scribe 
e Drainage Em 
Y 
MANUSCRIPT REVIEW 
  
  
  
t 
  
ADDITIONAL COLOR SEPARATES 
  
| 
1 Er 
CARTOGRAPHIC CHECKING & EDITING 
mM €À——— MÀ Àá— À—À 
di E 
  
  
  
pt 
  
  
REPRODUCTION 
  
  
  
Formal 
accuracy 
testing