Scene simulator

Details Scene simulator Scene simulator

1983-10-31

1985-10-08

Pinkham, Richard C.

Education and demonstration

Vehicle operator instruction or testing

Flight vehicle

358104, G09B 902

Patent

active

045457654

ABSTRACT:
In a calligraphic scene display, occulting or masking of information stored in a data base can take place due to occulting surfaces. To determine whether occulting occurs for any given data item, a comparison is made first with data held in a surface memory circuit (34) indicating generally the area occupied by the surface. When occulting is indicated, a more detailed check is made against data held in a line memory circuit (36) and addressed with the aid of an address held in the surface memory circuit. If the line check indicates occulting, the occult logic (50) is instructed accordingly.

REFERENCES:
patent: 3479454 (1969-11-01), Wolff
patent: 3585628 (1971-04-01), Harrison
patent: 4107665 (1978-08-01), Mayer et al.
patent: 4209832 (1980-06-01), Gilham et al.

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