Methods of stereo relief modeling

Details Methods of stereo relief modeling Methods of stereo relief modeling

1977-01-13

1979-04-10

Silbaugh, Jan H.

Gas separation: apparatus

Electric field separation apparatus

Electrode cleaner, apparatus part flusher, discharger, or...

33 1A, 156 58, 156 59, 264 401, 264553, 264219, 264316, 353 7, 353121, 355 22, 356 2, G03C 1100, G03B 2100, B44C 300, B29C 102

Patent

active

041486455

ABSTRACT:
A stereo relief modelling apparatus based on photogrammetric method and apparatus comprising a flexible platen, used with standard stereo plotting instrumentation such as double-projection direct-viewing plotting instruments. The purpose of the flexible platen is to provide an absolute stereo image for photographic, modelling and other purposes. The flexible platen, which is of sufficient size to provide a meaningful mapping surface, is vertically adjustable at a multiplicity of points by mechanical, pneumatic, electro-mechanical, fully automated, or other means to provide an actual model-like three-dimensional photographic or modelling surface to enable relief distortion from aerial photographs to be effectively eliminated in planimetric photographs which are taken of the adjusted flexible platen, or models molded on the adjusted flexible platen, upon which the aerial images are projected. Modelling is facilitated by situating the platen inside a sealable vacuum box from which the air is removable.
In another embodiment, a computer system may be utilized with the stereo modelling apparatus to provide stereo or three-dimensional relief maps of mathematical functions generated by such system.

REFERENCES:
patent: 2309752 (1943-02-01), Cooke
patent: 3763296 (1973-10-01), Burrows
patent: 3894802 (1975-07-01), Higgins

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