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@InProceedings{Freitas:1993:MoObSi,
               author = "Freitas, Maria C{\'e}lia Paiva de",
          affiliation = "{Laborat{\'o}rio de Computa{\c{c}}{\~a}o Gr{\'a}fica 
                         (LCC-COPPE) da Universidade Federal do Rio de Janeiro (UFRJ)}",
                title = "Modelo de objetos para um Sistema de Pintura Digital",
            booktitle = "Anais...",
                 year = "1993",
               editor = "Figueiredo, Luiz Henrique de and Gomes, Jonas de Miranda",
                pages = "27--36",
         organization = "Simp{\'o}sio Brasileiro de Computa{\c{c}}{\~a}o Gr{\'a}fica e 
                         Processamento de Imagens, 6. (SIBGRAPI)",
            publisher = "Sociedade Brasileira de Computa{\c{c}}{\~a}o",
              address = "Porto Alegre",
             keywords = "modelo de objetos, sistema de pintura digital, pintura 
                         eletr{\^o}nica.",
             abstract = "This paper describes an electronic paint system based on the 
                         canvas-ink-brushes paradigm. The system model is object-oriented 
                         and simulates some kinds of strokes using a hierarquical 
                         representation among the paint objects. The pigments used by the 
                         brushes have all the material properties interpreted as a texture 
                         which could be revealed by bump-mappings. The brushes can also be 
                         used to alter the height values of the canvas. This textured paint 
                         adds an extra physical dimension to the image and expands its 
                         expressive possibilities.",
  conference-location = "Recife",
      conference-year = "19 - 22 out. 1993",
                 isbn = "978-85-7669-271-3",
             language = "pt",
                  ibi = "8JMKD3MGPBW34M/3D6URME",
                  url = "http://urlib.net/rep/8JMKD3MGPBW34M/3D6URME",
           targetfile = "4 Modelos de objetos para um sistema de pintura digital.pdf",
                 type = "Rendering",
               volume = "1",
        urlaccessdate = "2020, May 27"
}


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