Wind projection basis for real-time animation of trees

Julien Diener 1 Mathieu Rodriguez 2, 3 Lionel Baboud 4 Lionel Reveret 1
1 EVASION - Virtual environments for animation and image synthesis of natural objects
Inria Grenoble - Rhône-Alpes, LJK - Laboratoire Jean Kuntzmann, INPG - Institut National Polytechnique de Grenoble
2 LadHyX - Laboratoire d'hydrodynamique
3 PIAF - Laboratoire de Physique et Physiologie Intégratives de l'Arbre Fruitier et Forestier
4 ARTIS - Acquisition, representation and transformations for image synthesis
Inria Grenoble - Rhône-Alpes, LJK - Laboratoire Jean Kuntzmann, INPG - Institut National Polytechnique de Grenoble
Abstract : This paper presents a real-time method to animate complex scenes of thousands of trees under a user-controllable wind load. Firstly, modal analysis is applied to extract the main modes of deformation from the mechanical model of a 3D tree. The novelty of our contribution is to precompute a new basis of the modal stress of the tree under wind load. At runtime, this basis allows to replace the modal projection of the external forces by a direct mapping for any directional wind. We show that this approach can be efficiently implemented on graphics hardware. This modal animation can be simulated at low computation cost even for large scenes containing thousands of trees.
Keywords : Animation physical simulation tree modal analysis real-time
Document type :
Journal articles
Complete list of metadatas

Cited literature [20 references]  Display  Hide  Download

walnut_rest.png
walnut_rest.png
01.png
01.png
oak.png
oak.png
teaser.jpg
teaser.jpg
teaser.png
teaser.png
walnut_mode_1.png
walnut_mode_1.png
walnut_mode_12.png
walnut_mode_12.png
walnut_mode_18.png
walnut_mode_18.png
walnut_mode_25.png
walnut_mode_25.png
walnut_mode_4.png
walnut_mode_4.png
walnut_mode_5.png
walnut_mode_5.png
walnut_mode_6.png
walnut_mode_6.png
walnut_mode_8.png
walnut_mode_8.png
walnut_mode_9.png
walnut_mode_9.png
https://hal.inria.fr/inria-00540761
Contributor : Team Artis <>
Submitted on : Monday, November 29, 2010 - 11:18:38 AM
Last modification on : Wednesday, March 27, 2019 - 4:39:25 PM
Long-term archiving on: Saturday, December 3, 2016 - 12:19:53 AM

Files

eg2009.pdf
Files produced by the author(s)

Identifiers

Collections

CNRS | INRIA | X-LADHYX | X | PARISTECH | LJK_GI_ARTIS | LJK_GI_EVASION | LJK_GI | LJK | PIAF | PRES_CLERMONT | UGA | INRA | X-DEP-MECA

Citation

Julien Diener, Mathieu Rodriguez, Lionel Baboud, Lionel Reveret. Wind projection basis for real-time animation of trees. Computer Graphics Forum, Wiley, 2009, special Issue: Proceedings of Eurographics 2009, 28 (2), pp.533-540. ⟨10.1111/j.1467-8659.2009.01393.x⟩. ⟨inria-00540761⟩

Export

BibTeX TEI DC DCterms EndNote

Share

Metrics

Record views

1280

Files downloads

6255

 

 

Contact

archive-ouverte@inria.fr