Method and system for generating detail-in-context lens...

Details Method and system for generating detail-in-context lens... Method and system for generating detail-in-context lens...

2007-02-06

2007-02-06

Tung, Kee M. (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Graphic manipulation

C345S664000, C345S671000, C345S619000

Reexamination Certificate

active

11083037

ABSTRACT:
A method for generating a presentation of a region-of-interest in an elevation data representation for display on a display screen, comprising: calculating a displacement height for at least one point in the representation falling within a lens by inversely scaling a vertical height of the point from a viewpoint for the presentation by a magnification for the lens; if the point is within a shoulder region of the lens, scaling the displacement height by a value of the shoulder function evaluated at a value given by a distance between a projection point in the basal plane and a closest point on a perimeter of a focal region as projected onto the basal plane, the distance being scaled by a distance between the closest point and an intersection point on a perimeter of the shoulder region; and, displacing the point by the displacement height to generate the presentation.

REFERENCES:
patent: 7106349 (2006-09-01), Baar et al.
patent: 2002/0075280 (2002-06-01), Tigges
patent: 2003/0006995 (2003-01-01), Smith et al.
patent: 2003/0137525 (2003-07-01), Smith
patent: 2004/0217979 (2004-11-01), Baar et al.
patent: 2005/0134610 (2005-06-01), Doyle et al.
Carpendale, Marianne S.T., “A Framework for Elastic Presentation Space”(Burnaby, British Columbia: Simon Fraser University, 1999).

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