Real time perspective display employing digital map generator

Details Real time perspective display employing digital map generator Real time perspective display employing digital map generator

1983-07-25

1987-07-21

Curtis, Marshall M.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340750, 340727, 340747, 340728, G09G 116

Patent

active

046821600

ABSTRACT:
A system for generating a real time perspective view of the terrain lying along an aircraft's flight path accesses terrain data stored in a digital map generator and converts the data into a perspective representation of the terrain on the face of a suitable display such as a cockpit instrument panel CRT. The stored map data that is accessed provides, in real time, information pertaining to elevation features of the terrain over which the aircraft is flying, so that upon conversion to a perspective presentation to the pilot, there is provided a real time perspective image of the contours of the terrain as though the pilot were looking out a windscreen at the terrain in high visibility conditions. The invention also is capable of providing perspective scene rotation and translation (corresponding to roll and pitch of the aircraft).

REFERENCES:
patent: 2921124 (1960-01-01), Graham
patent: 3454822 (1969-07-01), Harrison, III
patent: 4442495 (1984-04-01), Sukonick
Rural Scene Perspective Transformations, Devich SPIE vol. 303 Visual Simulation & Image Realism II pp. 54-66.
Display Technology for Digital Map Information, Moon.
The Perspective Representation of Functions of Two Variables Kubert et al; JACM Apr. 1968; Reprinted in Interactive Computer Graphics, IEEE Cat. No. EH0156-0 pp. 272-283.

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