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Parametric Generation of Polygonal Tree Models for Rendering on Tessellation-Enabled Hardware
Norwegian University of Science and Technology, Faculty of Information Technology, Mathematics and Electrical Engineering, Department of Computer and Information Science.
2010 (English)MasteroppgaveStudent thesis
Abstract [en]
The main contribution of this thesis is a parametric method for generation of single-mesh polygonal tree models that follow natural rules as indicated by da Vinci in his notebooks. Following these rules allow for a relatively simple scheme of connecting branches to parent branches. Proper branch connection is a requirement for gaining the benefits of subdivision. Techniques for proper texture coordinate generation and subdivision are also explored. The result is a tree model generation scheme resulting in single polygonal meshes susceptible to various subdivision methods, with a Catmull-Clark approximation method as the evaluated example. As realistic visualization of tree models is the overall objective, foliage appearance and the impression of a dense branching structure is considered. A shader-based method for accurately faking high branch density at a distance is explored.
Place, publisher, year, edition, pages
Institutt for datateknikk og informasjonsvitenskap , 2010. , 104 p.
Keyword [no]
ntnudaim:5489, SIF2 datateknikk, Spillteknologi
URN: urn:nbn:no:ntnu:diva-12211Local ID: ntnudaim:5489OAI: diva2:402916
Available from: 2011-03-10 Created: 2011-03-10

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