Computer graphics processing and selective visual display system – Display peripheral interface input device – Light pen for fluid matrix display panel
Patent
1996-02-12
1998-06-30
Brier, Jeffrey A
Computer graphics processing and selective visual display system
Display peripheral interface input device
Light pen for fluid matrix display panel
345127, G09G 508
Patent
active
057741115
ABSTRACT:
A computer-aided design and drawing system having a dynamically oriented compass cursor is disclosed. In the interactive computer-controlled drawing system, a method and apparatus is disclosed for automatically generating and manipulating a dynamic compass cursor. The method comprises the steps of: 1) generating a compass cursor in a first orientation, the compass cursor being responsive to movement of a cursor control device; 2) selecting a geometrical element having a second orientation; and 3) selectively re-orienting the compass to the second orientation and maintaining the second orientation until a new orientation for the dynamic compass cursor is selected.
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Balestrieri Antoine
Clement Andre
Lecland Pascal
Vu Duy Minh
Brier Jeffrey A
Dassault Systemes
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