Transverse approach to geometric algebra models for manipulating quadratic surfaces

Abstract : Quadratic surfaces gain more and more attention among the Geometric Algebra community and some frameworks were proposed in order to represent, transform, and intersect these quadratic surfaces. As far as the authors know, none of these frameworks support all the operations required to completely handle these surfaces. Some frameworks do not allow the construction of quadratic surfaces from control points when others do not allow to transform these quadratic surfaces. However , if we consider all the frameworks together, then all the required operations over quadratic are covered. This paper presents a unification of these frameworks that enables to represent any quadratic surfaces either using control points or from the coefficients of its implicit form. The proposed approach also allows to transform any quadratic surfaces and to compute their intersection and to easily extract some geometric properties .
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Contributor : Stéphane Breuils <>
Submitted on : Monday, April 1, 2019 - 8:51:46 AM
Last modification on : Saturday, May 18, 2019 - 12:27:26 AM


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  • HAL Id : hal-02050767, version 3
  • ARXIV : 1903.02444


Stéphane Breuils, Vincent Nozick, Laurent Fuchs, Akihiro Sugimoto. Transverse approach to geometric algebra models for manipulating quadratic surfaces. 2019. ⟨hal-02050767v3⟩



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