System and method for automatic label placement on charts

Details System and method for automatic label placement on charts System and method for automatic label placement on charts

2007-11-06

2007-11-06

Tung, Kee M. (Department: 2628)

Computer graphics processing and selective visual display system

Computer graphics processing

Graph generating

C345S619000, C345S629000, C715S788000

Reexamination Certificate

active

10968619

ABSTRACT:
An algorithm is provided for optimizing the layout of labels associated with a visual data object such as a chart. The labels are first placed into a chart definition file that defines the labels as a shape. An initial layout of the labels is created and scored. The shapes are then manipulated iteratively until an optimal layout of the labels is obtained that corresponds to the layout having the score closest to an optimal score. The optimal layout is then used in rendering the visual data object on a screen.

REFERENCES:
patent: 5724072 (1998-03-01), Freeman et al.
patent: 6154219 (2000-11-01), Wiley et al.
patent: 7010751 (2006-03-01), Shneiderman
patent: 7131060 (2006-10-01), Azuma
patent: 2004/0252137 (2004-12-01), Gelber
patent: 2005/0270299 (2005-12-01), Rasmussen et al.

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