Importance

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Abstract

A system for image generation is provided which includes a device for controlling the sweep voltages of a CRT so that realistic views of the earth can be projected on a curved screen surface from a flat transparency and for generating a haze band between the earth and sky interface of the projected scene. The preferred embodiment is an aircraft flight simulator in which real world scenes are projected and updated in accordance with simulated aircraft maneuvers. Various visual flight cures are or can be presented to an operator during training. These flight cues include a dynamic haze or cloud band along the projection of the earth and sky interface. The system permits image projection with six degrees of freedom (yaw, pitch, roll, altitude, north/south and east/west vector components) over simulated terrain. In the preferred embodiment, the haze or cloud band generation is accomplished so that it is compatible with a single projector technique.

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First Claim