Computer graphics processing and selective visual display system – Computer graphics processing – Graph generating
Patent
1996-08-27
1998-05-12
Nguyen, Phu K.
Computer graphics processing and selective visual display system
Computer graphics processing
Graph generating
G06F 1500
Patent
active
057512949
ABSTRACT:
A method for laying out a workspace using the crowding index, PDI, and an proximation for the average interpoint distance between the personnel and/or equipment to be laid out, d.sub.act '. The invention lies in using the convex hull area, A.sub.poly, of the distribution of points being laid out within the workplace space to calculate the actual crowding index for the workspace. The convex hull area is that area having a boundary line connecting pairs of points being laid out such that no line connecting any pair of points crosses the boundary line. The calculation of the convex hull area is illustrated using Pick's theorem with additional methods using the Surveyor's Area formula and Hero's formula also being described for calculating A.sub.poly. The crowding index is termed PDI.sub.poly ' to distinguish it from the crowding index, PDI.sub.act, the prime notation indicating the approximation used to determine the average interpoint distance, d.sub.act '.
REFERENCES:
patent: 5235506 (1993-08-01), O'Brien
patent: 5402335 (1995-03-01), O'Brien
Gauthier Robert W.
Lall Prithvi C.
McGowan Michael J.
Nguyen Phu K.
The United States of America as represented by the Secretary of
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