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Toward General Animation Control

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New Trends in Computer Graphics

Abstract

In this paper we present an analysis of animation control processes. The design of an animation system is strongly coupled with the considered application. So these systems are specialized, some of them in audiovisual production, in C.A.D. or in mechanical computation. We are working on the design of a general animation system with the capability to generate motion resulting from mechanical laws in an audiovisual environment. The heart of this system is a structured graph used to store a hierarchical description of the objects and the mechanical joints linking them together to build a multibody mechanical system. Motion control can also be specified by key-framing techniques or explicit trajectories for the objects which are not submitted to mechanical laws. The dynamical formalism takes into account holonomic and nonholonomic constraints using the principle of virtual works associated with LAGRANGE’s multipliers. Symbolical equations of motion are automatically built by the system and solved for each time step (frame) to give object locations and orientations.

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Author information

Authors and Affiliations

  1. France

    G. Hégron, B. Arnaldi & G. Dumont

Authors
  1. G. Hégron
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  2. B. Arnaldi
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  3. G. Dumont
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Editor information

Editors and Affiliations

  1. Centre Universitaire d’Informatique, Université de Genève, 12 rue du Lac, CH-1207, Genève, Switzerland

    Nadia Magnenat-Thalmann

  2. Laboratoire d’Infographie, Département d’Informatique, Ecole Polytechnique Fédérale de Lausanne, CH-1015, Lausanne, Switzerland

    Daniel Thalmann

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© 1988 Springer-Verlag Berlin Heidelberg

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Hégron, G., Arnaldi, B., Dumont, G. (1988). Toward General Animation Control. In: Magnenat-Thalmann, N., Thalmann, D. (eds) New Trends in Computer Graphics. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-83492-9_5

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  • DOI: https://doi.org/10.1007/978-3-642-83492-9_5

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-83494-3

  • Online ISBN: 978-3-642-83492-9

  • eBook Packages: Springer Book Archive

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