radial assumption
radial assumption
[′rād·ē·əl ə‚səm·shəm] (mapping)
The assumption, forming the basis of planimetric mapping by photogrammetric methods, that on a nearly vertical photograph all displacements resulting from tilt and relief are radial from the photograph's principal point.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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