- 
On the uses of orthophotomap products for urban areas it has been 
‘reported (Ref.: Sweeney) that the anticipated uses for orthophotomap 
epo £ LI + 
in his jurisdiction would encompass: 
(a) Planning and. zoning 
(b) Public safety and traffic control 
(c) Fire protection 
(d) Public utility purpose 
(e) Land development 
ta, 5 loy ink 
and other real estate associated activities such as title information 
and disposition of Land Trust Properties. 
The U. S. Geological Survey has experimented with the preparation of 
large scale (1:7200) urban orthophotomaps. User Pana ere 
maps has been varied, however they were generally considere o oo 
more useful than the standard line maps. The sample maps were p e : 
pared as final map products, that is, with full Gartepraphic sn 
with regard to format, color separations and Rom ET nn ol 
map users responding to requests for comments on ar Le 
a preference for the unannotated ortho photograph EE no co er added. 
This suggested type of product could then serve as the base map lior 
^ i + 
various data collected for each users' particular wants. 
Reports on the use of orthophoto-imagery as the base for airport, Shs 
struction charts (Ref.: Ball 1971) coastal zone maps and for marine : 
charts with the usual conclusions that the orthophotoimage is authentic, 
accurate and in greater detail than can be shown on a line map. 
ity of orthophoto products as map tools is 
It is evident that the utili : | 
established. The utility of orthophotomaps as final map products 
depends greatly on the further development of reproduction techniques. 
-]19 
References: 
Ackermann, F., and 
Orhophotokart 
Baker, R. D., 1971 
Forest Land M 
Ball, George, 1971 
Workshop, Jan 
Blachut, T. J., 19 
Luftbildwesen 
“1971, Map 
orthophotos: | 
Biachut, T. J. and 
photos: Phot: 
374 
Blokhuis, G., 1964 
Brent, A. H., 1966. 
p. 35-44. 
Brucklacher, W., 16 
Herstellung ve 
3, p. 188-193. 
Collins, S. H.,«319( 
veyor, 22,.1; 
1969, The 
Stereo-Orthoph 
1970, The 
The Canadian S 
Collins, S. H., and 
production of 
Doyle, F. J., 1971, 
national sur 1 
Drobyshev, F. V., 1 
in the U.S.S.R 
Photogrammetry 
Dubuisson, B., 1968 
grammetrie car 
à 1971, L'i 
hypsometriques 
Paris, October