G - Physics – 06 – T
Patent
G - Physics
06
T
G06T 11/00 (2006.01)
Patent
CA 2057130
JA9-90-520 SYSTEM AND METHOD FOR HANDLING GRAPHICS OBJECTS ABSTRACT Even when a number of graphics objects are interrelated, a graphics object under a geometrical constraint exerted directly or indirectly by another graphics object is redrawn in response to the movement or reshaping of that object. Further, such redrawing can be done in response to a movement or reshaping other than translation, rotation, or scaling. 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, said positional data being permitted to be data on the position of the control point relative to a graphics object; and means of updating the graphics object table and the control point table 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.
International Business Machines Corporation
Rosen Arnold
LandOfFree
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