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Method and apparatus for inferred selection of objects
   
Document Number
US Patent 7000197
Issued Date
February 14, 2006
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Abstract
One or more embodiments of the invention comprises a collection of techniques to infer the real construction of a collection of graphical elements. Typically the underlying graphical elements of a physical object have a parent-child relationship in the graphical display and picking database. The invention examines the children of a parent seeking relationships like co-linear, closed polygon, etc., and then answers "hit" detect queries for areas that are not specifically stroked, but are also inferred to be "real", e.g., spaces in a dashed or patterned line, the area of a closed polygon, etc. Certain allowances and flexibility must be taken into account in this process. For example, one or more embodiments do not include "text" children on a stroke by stroke basis, but instead may look to the bounding box of the text for selection. One or more embodiments of the invention obtain a selection request from the user. The system and method of the invention examines existing objects to determine and obtain relationships between the objects. Virtual objects that join the existing objects or are complimentary to the existing objects are created based on the relationships. Subsequently, whenever an object is selected (whether the object is an existing object or a virtual object), the object selected and its related objects are selected. In this manner, the physical shape of a graphically represented object may be inferred and utilized by a graphics program and users.
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Number of Claims:
18
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Owner
Autodesk, Inc. (San Rafael, CA)
Published
February 14, 2006
Application Number
09/585,508
Filed
June 1, 2000
US Classification
715/812   715/862
Int'l Classification
G06F   3/00   (20060101)  
Examiner
Assistant Examiner
Attorney/Law Firm
USPTO Field of Search
345/862   345/812   345/754   345/813   345/814   345/822  
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