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ob)ect orlontad-A design and programming
mehdobgy tbt seeks to mim”k the way we
form models of the worfd, end embodies thrae
main propatlias. e.g.. enoapsulafbn,
inheritance, and polymorphism.
ob)actlvo bns-fn telaacopaa and
microscopes, the optical corrpnenf tikh
receives light from the cbjj and forms the first
or primary image. In a camera, Ihe image
formed by the objedve lens is the final image.
In a lalaecqrs or micmacope used viauelfy, the
image formed by the eb@tive Imm is megnifisd
by the eyepiece.
oblete .Illpsold of rotatiort-An ellipsoid of
tmtotion, the atmrter axis of wh~h is ha axis of
rotation.
oblique alr photograph-(JCS) An air
photegmph taken with the camera axis directed
betwaen ha horiiomal and verilcel planes.
Commonly relerrad 10 es an oblique: (1) high
obllqua- one in vhksh the apparant herizon
appears; end (2) low obllquene in which
the apparent Im’izon dees net appear.
obllque ●scension-The arc of the celestial
equator, er the angle at the cslast’kil pele,
between the hour circle c4 the vernal equinox
and the hour cimfs through the intersection of
the celestial eqmtor and the eastern horizon at
the instant a point on the eblique sphere riSSS,
measured eastward from the hour circle of the
vernal equinox through 24 hours.
oblique chart-A charl on an ebfique map
projactiin.
oblique coordinetea-Magnitudes defining s
peinf relative to two interacting
~nps~dsulw lines, called axes.
oblique cylindrical orthomorphic map
projection-See obllquo Mstcator
projection.
obliquo equetor-A great circle the plane of
Wzh is perpendicular to the axis of an obfique
projection.
obllqua gratlcul*A fbfitious graticule baaed
upen an cblique map projection.
MIL-HDBK-850
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obliquo ldtudo-Angular distance from an
obliiua equator. See alse fictitious Iatltud*.
obllque lon!#tude-Angufar dtience
between a prima oblique maridiin and eny
given oblique msridiin. See abo fictitious
Iongltudo.
obllquo map projection-A map projection
with en axis inched at en angle between O“ and
90”.
oblique Mercator projectlorr-A conformal
cylindrical map pmjsctien in wliih points on the
surface d a sphere or efliisoid, such as the
Earth, are conceived as developed by Mercator
princi#ss en a cylindrical fengenl abng an
obtique grast circfe. Atae called oblique
cylindrical orfhomorphlc projection.
obllquo maridlabA great ckcle
perpendicular 10 an oblique equator. Tha
reference obfique meridian is txilled prime
obliqua meridinn. See “alw fictltiouc
meridian.
obllque’ parallel—A circle or line parallel to an
oblique aqustor, connecting all points of equal
oblique latitude. See also fictitious parallel.
oblique plotting Instrument—An instrument
for plotting from oblique photographs.
obllque pole-One of the two peints 90” from
an oblique equator.
obllqua rhumb line-l. A line making the
same clique angle with all fctitious mstitans
of an oblique Mercaler pmjactibn, CZb~qua
parsliela and meridians msy be corraidarad
spec’wl cases of the diqua rhurnb iina. 2. Any
rhumb line, real or fm’nious, makhtg an ebfique
angle with its meridiins. In this ssnae the
expraesiert is used to distinguish such a rhumb
line fmm parallels and meridians, real or
fiilitious, whiih may be included in the
expression rhumb Ilno. see al= fictitious
rhumb line.
oblique sketchmnetor-A type of sketchmsster
in which obtique pfretegrsphs are
utilized.
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