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MARK 90-MARK 90 is the second of two
development phases of the Defense Mapping
Agemy’s Oigital Production System (DPS). Its
mission is 10 provide DMA with end-to-end
softcopy production capabilities. MARK 90
Imorporafes the Data Integration. Source
‘ A@isiiion, Hardcopy Exploitation, and the
Universal Rectifier Seaments 0! the MARK 85
.-.
Dhase with new Production hfanagemenl, Data
servicas, Source Preparation, Dali Eslracfion,
and Product Generation Segments. See also
Dlgltel Production Syalem; MARK 85.
mark—1. A call used when simultaneous
observations are being made, to indicate to the
second person the moment a reading is 10 be
made, as when the time of a celestial
observation is to be noted: or the momen! a
readrng is a prescribed value. 2. (suweying) A
dafinile object, such as an imprinted metal disk,
used to d8signale a survey poinl and
SOtI’IelhSteSrefers to the enlire suwey
rnanumanl. Mark is used with a qualifying Ierm
such as station. ralerenca, or bench. See
a150 bench mark; reference mark; atatlon
mark; wltnees mark. 3. (phologrammelry)
See !Joallng mark; Index mark.
MIL-HDBK-850
maps lo obtain more accurate register of
marine sextant—A sextant designed primarily preprinted line wO* to the IandfO_ Of the
for marine navigation. .._ “.. –..
mokf. BY maskirm. differanlial haa!ina is
achieve~. Also ~lled screen Ing. -
marine smrrvey-See oceanographic
survey.
maak—1. In pholomechanisal processing, to
block out an area by means of actinically
MARK 85- MARK 85 Is the first of two
opaque material, to prevent exposure in the parf
development phases of the Defense Mapping blocked out. Also, the cavaring material tfseif
Agen@s Digital Production System (DPS). Ifs when ao appfied. 2. A clear stable baaa plastic,
mission was to improve hardcopy production coaled with an opaque stratum which can be
methods, generate improved production
paeled oft bafween Photographkslly etched
management and dala base management outline Images, thus Lrroduclng an open-window
s.apeblliiies, and provide initial soflcopy
nagalive of the dasired area. This process of
production capability. The six segments include: masking is offen identified by the trade name of
Hardcopy Exploitation (HELS), Source
the material used. 3, A continuous tone pdtive
Acquisition (SA6), Data Integration (C)KS), or negative made lmm an orighal negative or
Feature Exfract”krn (FE/S), Universal Rectifier positive for tha purpose of afrering the image
(UR/S), ana Digital Comparator (DC/S). See produced from the orighal. Used to aller
also Dlgltal Production System; MARK contrast, correct color portrayal. or praduca
90.
pictotone or picfofine imagas.
Maraden charl-A chart showing the
distribution of meleorolooical data, especially
over fhe oceans. -
masa attraction vertical-The normal to
any surlace of constant geopatential. On the
Earlh this vertical is a function only of the
distribution of the mass and is unatfecfed by
forces resulling from the molions of the Eatih;
e.g., the dkreclion 01 a plumb bob cm a
nonrotating Earih.
master film poaltlve-A pasilive made trom
an original negative for the purpose o! making
additional negatives.
master gfass negative—See calibration
plate.
master model—The developed original terrain
model which bears, in miniature, the same
spatial relationships as the actual ground it
represents. Also called orlghsal modal.
masfsr plot+JCS) A portion of a map or
ovarlay on which are drawn the outlines of tha
araas covared by an air photographic Sorlia.
Latitude and longitude, and map and aonie
information ere shown,
master print—( mosaicking) A photograph
which is reoresenlative of the mosaic araa usad
as a guide “during the developing Process to
insure -. the tonal match of subsaauem Orinta.
mestar projectlo*The originally computed
maaklng paper—See ~oldenrod paper. and constructed map prajacfion lmm which
copies are made: one such projectbn serves as
maeklng—A means of controlling plastic the masler for copies circling the globe whhln
expansion locally during Iormlng of plastic reliaf tha same saf of standard parallels.
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