1 - NGA

panchromatic-(photography) SensKwe 10
Iiiht of afl cofors, as a film or pfate amufaion.
pancmtlc ●yste*A variabla power optical
systam. Aiao celled zoom system.
panel baa.-(cartography) The completed
aaae@y d piacas of film poaittvaa onto a grid
of Prq-hn tbhii is useds a ba~ for
~mpt~tion. Al- called film moealc; panel.
panelln~l. (cartography) Cutting a film
poahive c4 a mep, in whiih some diatortien is
irwdvad, into savetal pieces end cementing
them in pfsce, on e projection constructed on e
stable-base rnerkm, in such e WY that the
error IS d~ribufad in small amounts thmughouf
the area rather than being localized. 2.
(surveying) The placement of panels on a
oonlrd station to facifiieie station Hentifzation
on aerial phdography.
MIL-HDBK-850
panel—l. (cartography) See panel baee. 2.
(photogrsmmslry) An element of e target used
for rnntrol station idcmtikation on aerial
photography. Perrels are rnsde of cloth, plaslks,
pfywood, or Masonite, and are poeitiinad in e
symmetrical pattern centered on the aration.
See 81s0 target.
panoramic camera-A camera whiih takes a
partial or complata panorama of the terrain.
Some dasigns uillize a lens wfich revofves
about an axis parpendicuiar to the optical axis:
in c4her designs, the wnera itaaff is revolved by
cfockwork to cbtain a panoramic field of view.
See also frame camera.
panoramic diatortlon-The displacement of
ground points from their expected perspective
pmilions, caused by the cylindrical shspe of the
negative film surface and the scanning action of
tha lens in a pmoramk camera system.
panoramic photograph—Photography
obtained from a panoramic camera.
pantograph—An insfrurnarrt for copying
mSPS, drawings, or o!har graphics at a
pradetarminad scale. Pantographs capabla of
edjuafnranf for several scales are known as fbmd
ratio pantographs. See elso two-dimensional
pantograph.
P
papar-strip method-(recf~-tkn) A
graphiil mathcd d mating a poinkby-pdnf
racfificatiort bssd on the irwarianca Ofthawoaa
ratb. A rnodiketii ef lhw tacfmiqus parrnife
Insp dafSil to be rw-b?ad hom an obGqus .eafial
~~09R@I ~f@d on the projectivii d atrai@rt
parafiactlc aberration-sae differential
●barratlort.
paraiiactlc ●ngle-l. (eafroriomy) The angle
between e ~s hour atde and its varfkal
circla. Afao called pormion angle. 2.
(photogrammetry) Alto catted angufar
parallaz. See angle of convergence.
pamllactlc ormr—An emor caused by
personal or Itirument perallax.
paraliactlc grid-(photogmmmetty) A uniform
pattern of rectangular lines drawn or engraved
on some trsnsparenf material, usually glass,
and pIscad either over the piratographs of e
ateraosapk pair or in the optiil system of e
stereoscope, in oder to provtie e continuous
floating mark system.
Derellectlc hreauellty—A sacondarv eti”-t in
&lar perturbation-s in the Moon’s Ionf@de due
to the eliiptichy of the Earfh’s orbit.
parallax age-See age of paraliax
Inequality.
parallax bar—See ●teraometer.
parallax dlffemnca-lhe dfierenos in tha
absolute stamoacopic paralkaxas of two painta
imagad on a pair of photograph. Cuatomarity
used in dalermirdort of the difference in
elevation of objects.
parallax in ●ltftuda-Geocentric parefiax at
any aftiluda. The expression is used to
dtitrrguish the pamllax et the given eftitude from
Ihe horizontal parakex when the body is in the
horizon.
parallax hraquallty-The variation in the
mnge of tide or In the speed of tidal currents
b-use of the continual change in the distence
of the Moon from the Earfh. The range of Ma
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