1 - NGA

i
I
photogmphlc readhrg-(JCS) The simple
r-nifhn ~.. d natural or marr-rnda features
horn photogrepha not invohfing tiger-f
inlerpretat”mn techniques.
photogmphlc reduction-lhe production of
e naget”we, diepoaMie, or print at a scale
smaller hut the wigiml.
photogmphlc scsle-(JCS) The ratio of e
dialarrca measured on a phofegmph or moaak
to the cormaponding distance on the ground,
claaaiied as follows very large-scale-l :4,999
and Iergec Iarge-ade-l :5,000 to 1:9,999:
m9diUm4iCSl*i :10,000 to 1:24,9W, amsllseals-1:25,000
to 1:49,999; vefy amall-ac@3-
1:50,000 and sndler. Sss also acde.
MIL-HDBK-850
photogmphle 8UNay—A survey
acoompfiahad from either aerial photographs or
terraatrial phctegraphs, or from a combination of
both.
photographic zanlth tube (PZT)-The
moat praciae instrument for meridian
ebaervationa. No corrections are required for
.- Ievel, azimuth, cdlimatkm, or flexure. Each
cbwvation gives a nreesure d both the time
end the Iatilude.
photography—The art er preceaa of
producing images on sensitized material
through the eden d light. The term
photography in aometimas incorrectly used in
pleca of tho term photographs. See also
analytical photography; composite air
photography; continuous strip
photography; control point
photography; convargenl photography;
cross-fllght photography; diract
photography; fan camsra photography:
horizontally controlled photography;
Indlract photography; Inortlal reference
photography; Iorop photography:
mapping photography; motrlc
photogmphy; multibrmd photography;
positional camara photography; procefia
photography: radar photography;
radamcope photography;
mconndasanca photography: ●horan
controlled photography; spilt vorftcal
photography; aupplamantal
photogmphy: tarraln profile
photography; trlcsmora photography.
photograph—A general tarm for a positive or
negative picture made with a camera on
aanshiuad nmteriaf, or p+fnfs from such e camera
original. Soa also ●arlal photogmph;
●rnotated photo-graph; eqrrlvdont
vertical photograph; homologous photograph;
horizon photogmph; horfxontal
photograph; moldod ●erial photograph;
multlple-kta photogmpft; oblique dr
photo-graph; erffrophotograph; psnommle
photograph; plnpolnt photograph;
termatrld photograplv varticd
photograph; wing photo-graph.
photoidontlflcatlorr-(mrrveyirrg) The
datacfiorr, idant#kafien, and marking d ground
suwey afatiena on aasial photogmpha. Positive
idenfifkation and kbcatkm is required if survey
data are fo be used to ccmtml phetcgrammatric
compilation. Atse called control-afatlon
Idontiflcatlon.
photolnterpretatlon kcy-t?eferenca
materiels designed to facilitate rapid and
sccureta idenfiiicatic.n and iha delarrninatierr of
the aignifiinca of objacf6 or oondiiions from an
analysis of their photo imagea.
ptrc40hrtorpretntion-Sae photographic
Inierpratatlon. . . . . . . . .
photolntarpretrzmeter-A device, used in
conjunction with e pocket ateroosc+a, fOr
making vertbl and horizontal meoauramsmta.
photolithography—A Mhographii prweaa in
which phetographk products are used to
prcduce an image on the PrhN”mgsurface. See
also Ilthography: offaot lithography.
photomap backup-A photomep printad on
the bock of a line map of the same area and at
the same scale.
photomapplng—The pmcass of making
~W Or charfa ,from Various -S of
photographs, @h reference to other source
mOpa, clxwfs, or aufveya.
photomap-(JCS) A reproduction of a
photograph or phelomoaaic upon wheh the grid
lines, marginal data, contours, place names,
boundaries, and other data may be added.
photomochanlcal—Perfainin~ to or
designating any rapmducfkm prose.% by a
wtiinslion of photographic and machanlcal
operations.
189.
photomvlaed map-A topograph~ or