A DOD Glossary of Mapping, Charting and Geodetic Terms1967 - Cartography - 243 pages |
From inside the book
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Page 3
... elevation - The elevation resulting from the application of an adjustment cor- rection to an orthometric elevation . Also , the elevation resulting from the application of both an orthometric correction and an ad- justment correction to ...
... elevation - The elevation resulting from the application of an adjustment cor- rection to an orthometric elevation . Also , the elevation resulting from the application of both an orthometric correction and an ad- justment correction to ...
Page 5
... electromagnetic distance measurements and horizontal and vertical angle measurements from two or more known positions to a helicopter hover- ing over the unknown position . The elevation of the unknown position is determined by the use of ...
... electromagnetic distance measurements and horizontal and vertical angle measurements from two or more known positions to a helicopter hover- ing over the unknown position . The elevation of the unknown position is determined by the use of ...
Page 6
... elevation , the deeper the penetration . It has been called the " Roots of Mountain The- ory , " and has the support of some geologists . Aitoff equal - area map projection - A Lambert equal - area azimuthal projection of a hemi- sphere ...
... elevation , the deeper the penetration . It has been called the " Roots of Mountain The- ory , " and has the support of some geologists . Aitoff equal - area map projection - A Lambert equal - area azimuthal projection of a hemi- sphere ...
Page 9
... elevation or an angle of depression . angle of reflection ( optics ) -As measured from the normal , the angle at which a reflected ray of light leaves a surface . angle of refraction - The angle which the re- fracted ray makes with the ...
... elevation or an angle of depression . angle of reflection ( optics ) -As measured from the normal , the angle at which a reflected ray of light leaves a surface . angle of refraction - The angle which the re- fracted ray makes with the ...
Page 14
... elevation - The elevation as- sumed to prevail in the local area covered by a particular photograph or group of photo- graphs . Used especially to denote the eleva- tion assumed to prevail in the vicinity of a critical point , such as a ...
... elevation - The elevation as- sumed to prevail in the local area covered by a particular photograph or group of photo- graphs . Used especially to denote the eleva- tion assumed to prevail in the vicinity of a critical point , such as a ...
Common terms and phrases
adjustment aerial photographs altitude angle angular astronomical axis azimuth base called camera celestial body celestial equator celestial sphere chart-A chart circle computed conformal map contour coordinates corner correction curve datum determined difference direction distance earth ecliptic elevation ellipsoid fictitious focal geodesy geodetic geographic geoid graph graphic gravity grid ground high water horizontal hour angle instrument intersection latitude length lens longitude low water magnetic map or chart map projection map-A map mean measured ment Mercator meridian method moon negative object oblique observed optical orbit parallax parallel pendulum perpendicular photogrammetric plane plate polar pole position prime vertical radar radial reference refraction rhumb line rotation satellite scale sextant solar spheroid spirit level station stereoplotter stereoscopic strip surface survey survey-A tangent tape target telescope templet term theodolite tidal tide tion topographic transit transverse traverse triangulation USPLS usually vernal equinox vertical zenith
Popular passages
Page 42 - Every particle of matter, in the universe, attracts every other particle with a force, which is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.
Page 107 - The squares of the periods of revolution of any two planets are proportional to the cubes of their mean distances from the sun.
Page 127 - The average height of the surface of a river at any point for all stages of the tide over a 19-year period usually determined from hourly height readings.
Page 132 - M) — A tendency to cause rotation about a point or axis, as of a control surface about its hinge or of an airplane about its center of gravity; the measure of this tendency, equal to the product of the force and the perpendicular distance between the point of axis of rotation and the line of action of the force. Moment of Inertia...
Page 82 - ... geodetic meridian. A line connecting points of equal geodetic longitude. Also called geographic meridian. See astronomical meridian. geodetic parallel. A line connecting points of equal geodetic latitude. Also called geographic parallel. See astronomical parallel. geodetic position. A position of a point on the surface of the earth expressed in terms of geodetic latitude and geodetic longitude. A geodetic position implies an adopted geodetic datum, which must be stated for a complete record of...
Page 173 - A basic subdivision of an antenna which in itself is capable of radiating or receiving radiofrequency energy. radiation. 1. The process by which electromagnetic energy is propagated through free space by virtue of joint undulatory variations in the electric and magnetic fields in space.
Page 101 - Their wave lengths are longer than those of visible light and shorter than those of radio waves.
Page 129 - Local mean time at the Greenwich meridian; the arc of the celestial equator, or the angle at the celestial pole, between the lower branch of the Greenwich celestial meridian and the hour circle of the...
Page 133 - ... (photogrammetry) An assembly of overlapping aerial photographs whose edges usually have been torn, or cut, and matched to form a continuous photographic representation of a portion of the earth's surface.
Page 123 - See culture. manuscript— The original drawing of a map as compiled or constructed from various data, such as ground surveys and photographs. See also multi-use manuscript (MUM).