Visualização de Campos Vetoriais 3D Através da Iluminação de Linhas de Corrente
DOI:
https://doi.org/10.5540/tema.2004.05.01.0017Abstract
Neste trabalho, apresentamos uma técnica para a visualização de linhas de corrente representando campos vetoriais 3D. A partir da dedução adequada de um vetor normal às linhas de corrente nos pontos onde pretendemos iluminar, utilizamos o suporte gráfico disponível na maioria das placas gráficas atuais. Através da aplicação de mapas de textura realizamos a iluminação das linhas de corrente aplicando o método de Phong[6] da computação gráfica.Para uma melhor compreensão do método apresentamos o algoritmo que é utilizado para a criação das linhas de corrente a partir de um conjunto de dados discretos que representam o campo vetorial de uma simulação de um tornado.References
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