Computer graphics processing and selective visual display system – Display driving control circuitry – Controlling the condition of display elements
Patent
1997-01-21
2000-12-12
Huynh, Ba
Computer graphics processing and selective visual display system
Display driving control circuitry
Controlling the condition of display elements
707 3, 707 5, 707102, G06F 1300
Patent
active
061605492
ABSTRACT:
The present invention is a method and apparatus for declarative report definition and generation using an enhanced, graphical data model and a graphical user interface (GUI) for graphically specifying data items and data computations to be performed on the data is described. It provides a set of data model objects, a data model painter for creating, defining, and visualizing the data model objects, and a data engine that retrieves the data according to the definition of the data objects. That is, the present invention provides a graphical data model allowing a user to graphically specify both the data and computations to be performed on the data and uses the layout metaphor (i.e., "painter") to specify the data. Data model objects include: queries, groups, columns, parameters, cross products, and links. Unlike the prior art, allows the use of multiple queries each containing one or more break groups and cross product groups where groups belonging to two different queries are connected by link objects. The resulting structure is therefore a forest of groups where each group contains one or more columns, thereby enlarging the scope of report definition tools available to users.
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Breyer Steve
Davis Richard
Simson David
Tilli Marco
Touma Andre
Huynh Ba
Oracle Corporation
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