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Master's Dissertation
DOI
https://doi.org/10.11606/D.45.2019.tde-22082019-134801
Document
Author
Full name
Mateus Barros Rodrigues
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2019
Supervisor
Committee
Ferreira, Carlos Eduardo (President)
Figueiredo, Luiz Henrique de
Franco, Álvaro Junior Pereira
Title in English
Single source shortest paths in simple polygons
Keywords in English
Algorithms
Computational geometry
Shortest paths
Simple polygons
Abstract in English
A classic problem Computational Geometry is finding all euclidean shortest paths in a simple polygon from a given source vertex to every other vertex in the boundary. In this text, we give a detailed description of the Visibility Graph and Shortest Path Tree structures that solve this problem and also present the Shortest Path Map structure that extends the solution to shortest paths to every point inside the polygon.
Title in Portuguese
Caminhos mínimos com fonte única em polígonos simples
Keywords in Portuguese
Algoritmos
Caminhos mínimos
Geometria computacional
Polígonos simples
Abstract in Portuguese
Um problema clássico em Geometria Computacional é: encontrar todos os caminhos mínimos euclidianos dentro de um polígono simples a partir de um dado vértice fonte para todos os outros vértices da borda. Neste texto, apresentamos detalhadamente as estruturas de Grafo de Visibilidade e Árvore de Caminhos Mínimos que resolvem este problema e descrevemos também a estrutura Mapa de Caminhos Mínimos que estende a solução para todos os pontos contidos dentro do polígono.
 
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dissertacao.pdf (4.34 Mbytes)
Publishing Date
2019-09-02
 
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