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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
1

Simulação geométrica e interativa de usinagem NC usando campos de distância / Geometric and interactive NC simulation using distance fields

Hasegawa, Allan Yoshio 18 September 2015 (has links)
Made available in DSpace on 2016-12-12T17:38:34Z (GMT). No. of bitstreams: 1 Allan Yoshio Hasegawa.pdf: 18253702 bytes, checksum: e99aeb0d0d09ebc27b20111c88bac58f (MD5) Previous issue date: 2015-09-18 / Coordenação de Aperfeiçoamento de Pessoal de Nível Superior / In this work were studied the main geometric representations in the context of machining simulations and its data structures. Several interactive rendering methods for complex model were studied as well. After the exploratory phase, a prototype simulator using Distance Fields and ray cast was developed. Tests were performed, concluding that the Distance Fields representation is suitable for machining simulation as it offers efficient Boolean operations, practical memory requirements and methods for interactive rendering of complex models with ray casting. / Neste trabalho foram estudadas as principais representações geométricas no contexto de simulações de usinagem e as estruturas de dados utilizadas por estas representações. Diversas técnicas de renderização interativa para modelos complexos foram exploradas. Após a fase exploratória, foi desenvolvido um protótipo de simulador usando Campos de Distância e ray casting. Testes foram executados, concluindo que Campos de Distância é uma representação adequada para simulações de usinagem, providenciando operações booleanas eficientes, consumo prático de memória e oferecendo uma visualização interativa de modelos complexos usando ray casting.

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