JACK: a toolkit for manipulating articulated figures | Zendy

Cary B. Phillips | Zendy; Norman I. Badler | Zendy

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JACK: a toolkit for manipulating articulated figures

Author(s) -

Cary B. Phillips,

Norman I. Badler

Publication year - 1988

Publication title -

scholarlycommons (university of pennsylvania)

Language(s) - English

Resource type - Conference proceedings

ISBN - 0-89791-283-7

DOI - 10.1145/62402.62436

Subject(s) - computer science , representation (politics) , interface (matter) , computer graphics (images) , orientation (vector space) , user interface , human–computer interaction , homogeneous , position (finance) , artificial intelligence , computer vision , programming language , geometry , physics , mathematics , bubble , finance , maximum bubble pressure method , politics , parallel computing , political science , law , economics , thermodynamics

The problem of positioning and manipulating three dimensional articulated figures is often handled by ad hoc techniques which are cumbersome to use. In this paper, we describe a system which provides a consistent and flexible user interface to a complex representation for articulated figures in a 3D environment. Jack is a toolkit of routines for displaying and manipulating complex geometric figures, and it provides a method of interactively manipulating arbitrary homogeneous transformations with a mouse. These transformations may specify the position and orientation of figures within a scene or the joint transformations within the figures themselves. Jack combines this method of 3D input with a flexible and informative screen management facility to provide a user-friendly interface for manipulating three dimensional objects.

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