Use the “Quick Search” box to locate your required term and/or definition. The following “Search conditions” can be used to refine your search: “Contains”, “Begins with”, “Ends with”, “Equals”, “Does not contain” or “Does not equal.”
Eng ID Term Definition
3841
photograph perpendicular
The perpendicular from the interior perspective centre to the plane of the photo­graph.
3842
photographic interpretation
The examination of photo­graphic IMAGES for the purpose of identifying objects and deducing their significance.
3843
photography
The art or process of producing IMAGES on sensitized material through the action of light.
3844
photography: aerial
The art, science, or process of taking AERIAL PHOTOGRAPHS.
3845
photogravure
A photoengrav­ing process by which PHOTO­GRAPHS or textual matters are reproduced on intaglio printing plate or rolls from which they may ... more
A photoengrav­ing process by which PHOTO­GRAPHS or textual matters are reproduced on intaglio printing plate or rolls from which they may be trans­ferred to paper.
3846
photohead plotter
A device used to plot information by exposure of a photographic film.
3847
photoindex
A MOSAIC made by assembling individual PHOTOGRAPHS, with accompany­ing designations, into their proper relative positions and copying the a... more
A MOSAIC made by assembling individual PHOTOGRAPHS, with accompany­ing designations, into their proper relative positions and copying the as­sembly photo­graphically at a reduced SCALE.
3848
photolithograph
A litho­graph produced by PHOTOLITHO­GRAPHY. See LITHOGRAPHY.
3849
photolithography
That branch of lithographic printing in which PHOTOGRAPHY is employed for production of the IMAGE on the final printing surface. The origina... more
That branch of lithographic printing in which PHOTOGRAPHY is employed for production of the IMAGE on the final printing surface. The original printing surface, lithographic stone, has been almost completely displaced by thin and flexible sheets of metal (zinc, aluminium, stainless steel, bimetallic PLATES, polymetallic PLATES).
3850
photomap
A photomosaic of a specified land area, which also contains marginal information, descriptive DATA, and a reference grid and/or projection. ... more
A photomosaic of a specified land area, which also contains marginal information, descriptive DATA, and a reference grid and/or projection. See also MOSA­IC.
3851
photometeor
Optical phenomenon of the ATMOSPHERE.
3852
photometer
An instrument used in measuring the inten­sity of light, especial­ly in determining the relative intensity of different lights.
3853
photosphere
The visible surface of the SUN and direct source of almost all its RADIATION. It is a gaseous LAYER some 400 km thick, below which the SUN b... more
The visible surface of the SUN and direct source of almost all its RADIATION. It is a gaseous LAYER some 400 km thick, below which the SUN becomes opaque.
3854
photosynthesis
The forma­tion of carbohydrates in living plants from water and carbon dioxide, by the action of sunlight on the CHLORO­PHYLL.
3855
phototheodolite
A ground-survey instrument combining a THEODOLITE and a SURVEYING CAMERA in which the relati­on­ship between the camera axis and the LINE ... more
A ground-survey instrument combining a THEODOLITE and a SURVEYING CAMERA in which the relati­on­ship between the camera axis and the LINE OF COLLI­MATION of the THEODOLITE can be measured.
3856
phototopography
The science of SURVEYING in which the detail is plotted entirely from PHOTOGRAPHS taken at suitable ground stations.
3857
phototriangulation
The process for the extension of HORIZONTAL and/or VERTICAL CONTROL whereby the measurements of angles and/or distances on overlapping PHOTO... more
The process for the extension of HORIZONTAL and/or VERTICAL CONTROL whereby the measurements of angles and/or distances on overlapping PHOTOGRAPHS are related into a spatial solution using the perspective principles of the PHOTOGRAPHS. Generally, this process involves using AERIAL PHOTOGRAPHS, and is called aerotriangulation, aerial triangulation,or photogram­metric extension.
3858
photozincography
The use of a zinc plate in PHOTOEN­GRAV­ING.
3859
pictomap
A map supplement on which the photographic imagery of a standard photomosaic has been con­verted into interpretable colours and symbols by ... more
A map supplement on which the photographic imagery of a standard photomosaic has been con­verted into interpretable colours and symbols by means of tonal masking techniques.
3860
picture control point
See CONTROL POINT.