Patent
1994-02-22
1995-09-19
Jankus, Almis R.
395138, 395139, 395133, 395143, G06T 1100
Patent
active
054524113
ABSTRACT:
A graphics system comprises a graphics object table that stores, for each graphics object, its identifier and the identifiers of one or more control points defining the graphics object; a control point table that stores, for each control point, its identifier and positional data which identifies the position of the control point relative to a graphics object. The graphics object table and the control point table are updated in response to the setting of one or more control points for a new graphics object by the user. These tables are referred to in response to a movement or reshaping of a primary graphics object, and the coordinate values of the affected control points are calculated by using a coordinate calculating unit.
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Eurographics '88. Proceedings of the European Computer Graphics Conference and Exhibition 1988, "A System For Graphical Interaction On Parametrized Models", Van Emmerik, pp. 233-242.
Drake Paul S.
International Business Machines - Corporation
Jankus Almis R.
Stephens Lawrence K.
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