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		<site>sibgrapi.sid.inpe.br 802</site>
		<identifier>83LX3pFwXQZW44Lb/cMdts</identifier>
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		<isbn>85-244-0103-6</isbn>
		<citationkey>KallmannOliv:1996:MeMoPo</citationkey>
		<title>Metamorfose de modelos poliedrais utilizando campos vetoriais em tetraedrações</title>
		<format>Impresso, On-line.</format>
		<year>1996</year>
		<numberoffiles>1</numberoffiles>
		<size>262 KiB</size>
		<author>Kallmann, Marcelo Eugênio,</author>
		<author>Oliveira, Antonio Alberto Fernandes de,</author>
		<editor>Velho, Luiz,</editor>
		<editor>Albuquerque, Arnaldo de,</editor>
		<editor>Lotufo, Roberto A.,</editor>
		<conferencename>Simpósio Brasileiro de Computação Gráfica e Processamento de Imagens, 9 (SIBGRAPI)</conferencename>
		<conferencelocation>Caxambu</conferencelocation>
		<date>29 out. - 1 nov. 1996</date>
		<publisher>Sociedade Brasileira de Computação</publisher>
		<publisheraddress>Porto Alegre</publisheraddress>
		<pages>135-142</pages>
		<booktitle>Anais</booktitle>
		<tertiarytype>Artigo</tertiarytype>
		<organization>SBC - Sociedade Brasileira de Computação; UFMG - Universidade Federal de Minas Gerais</organization>
		<transferableflag>1</transferableflag>
		<keywords>morphing, shape interpolation, boundary representation, triangulation, tetrahedralization.</keywords>
		<abstract>Many aproaches have been proposed to generate a shape interpolation, or morphing, of polyhedral objects in a facet based representation. Most of them focus only the correspondence problem, leaving the interpolation process to just a corresponding vertices interpolation. In this paper we present a variation for the 3-dimension space of the technic used in [Oliv96], that uses TFDs (Fields of Directions defined in a Triangulation). Our algorithm is based on a field of vectors defined in a constrained tetrahedralization of the space between the two objects to be interpolated, after having placed one inside the other. The algorithm guarantees to generate homeomorphisms and a topology preserving continuous transformation process between the models. Examples of such transformations involving simple models are presented to ilustrate the approach.</abstract>
		<type>Modelagem Geométrica</type>
		<language>pt</language>
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