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Master's Dissertation
DOI
https://doi.org/10.11606/D.55.2016.tde-23112016-104719
Document
Author
Full name
Filipe de Carvalho Nascimento
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Carlos, 2016
Supervisor
Committee
Paiva Neto, Afonso (President)
Gameiro, Márcio Fuzeto
Morera, Dimas Martinez
Title in Portuguese
Aproximação poligonal robusta de curvas implícitas
Keywords in Portuguese
Aritmética afim
Aritmética intervalar
Curvas implícitas
Malhas
Poligonização
Abstract in Portuguese
Modelagem geométrica envolvendo objetos implícitos é um tema de intensa pesquisa em Computação Gráfica. Portanto, obter técnicas eficientes para representar esses objetos é de extrema importância. Dois grupos de objetos implícitos relevantes para Computação Gráfica são as curvas implícitas e superfícies implícitas. As técnicas tradicionais para se aproximar curvas e superfícies implícitas envolvem dividir o domínio e buscar em suas partições partes da curva ou da superfície. Neste projeto propomos um novo métodos de poligonização robusta de curvas implícitas usando uma ferramenta numérica auto-validada chamada de Aritmética Afim. O método consiste na poligonização adaptativa de curvas implícitas em malhas triangulares tridimensionais.
Title in English
Robust polygonal approximation of implicit curves
Keywords in English
Affine arithmetic
Implicit curves
Interval arithmetic
Meshes
Polygonization
Abstract in English
Geometric modeling involving implicit objects is a topic of intense research in Computer Graphics. Thus, obtain efficient techniques for representing these objects is of utmost importance. Two groups of relevant implicit objects for Computer Graphics are implicit curves and implicit surfaces. Traditional techniques for approximating implicit curves and surfaces involve splitting the domain and searching for parts of the curve or the surface. In this project we propose a new methods of robust polygonization of implicit curves using the self-validated numerical tool called Affine Arithmetic. The method consists in the adaptive polygonization of implicit curves in three-dimensional triangular meshes.
 
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Publishing Date
2016-11-23
 
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