Error recovery in a computer aided design environment

Details Error recovery in a computer aided design environment Error recovery in a computer aided design environment

2005-05-03

2005-05-03

Jankus, Almis (Department: 2671)

Computer graphics processing and selective visual display system

Computer graphics processing

Three-dimension

Reexamination Certificate

active

06888542

ABSTRACT:
The present invention provides an improved error recovery method and apparatus for computer aided design (CAD) environments. When a failure is identified in a feature of a CAD assembly, a set of treatments is automatically provided for the failure from which to select. The set of treatments is based, at least in part, on the particular failure. In one embodiment, information to identify and/or illustrate one or more failures within a particular feature is collected and stored in persistent memory. Then, when the particular feature is indicated, the information can be retrieved and provided in various formats, including text, graphics, and/or procedures, to assist a user in better understanding the failures. In another embodiment, when a treatment is selected from a set of treatments for a particular failure, the selected treatment is automatically initiated.

REFERENCES:
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patent: 6232982 (2001-05-01), Harding
Barequet et al., Repairing CAD Models, 1992, IEEE, pp. 363-370.*
Weitzman, Artifical Intelligence in Engineering Design, 1992, Academic Press, pp. 452-459.*
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Fischer et al., Design Envirnoments For Constructive And Argumentative Design, 1989, pp. 269-275.*
Lemke, Using Criticfs to Empower Users, 1990.*
Krause et al., Processing of CAD-Data-Conversion, Verification and Repair, 1997, ACM, pp. 248-254.

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