@InProceedings{BatageloJúni:1999:ReShGe,
               author = "Batagelo, Harlen Costa and J{\'u}nior, Ilaim Costa",
                title = "Real-time shadow generation using BSP trees and stencil buffers",
            booktitle = "Proceedings...",
                 year = "1999",
               editor = "Stolfi, Jorge and Tozzi, Cl{\'e}sio Luis",
                pages = "93--103",
         organization = "Brazilian Symposium on Computer Graphics and Image Processing, 12. 
                         (SIBGRAPI)",
            publisher = "IEEE Computer Society",
              address = "Los Alamitos",
                 note = "The conference was held in Campinas, SP, Brazil, from October 17 
                         to 20.",
             keywords = "bsp trees, stencil buffers.",
             abstract = "This paper describes a real-time shadow generation algorithm for 
                         static polygonal environments illuminated by movable point light 
                         sources. The algorithm combines a technique of volumetric shadow 
                         rendering using stencil buffers with a Binary Space Partitioning 
                         (BSP) tree, and includes new easy-to-implement approaches to 
                         improvement techniques used in shadow volume algorithms, such as 
                         silhouette detection to reduce the number of redundant shadow 
                         polygons and the computation of capping polygons to handle cases 
                         where the shadow volumes are clipped by the eye-view near clipping 
                         plane. Such hybrid approach solves important limitations on the 
                         original shadow rendering algorithm, as well as achieves real-time 
                         frame rates when using modest size scenes (about 500 shadow 
                         polygons), according to measurements performed on personal 
                         computers using current graphics hardware. Perphase timing results 
                         from the implementation are provided along the text and compared 
                         with those of the standard algorithm.",
  conference-location = "Campinas, SP, Brazil",
      conference-year = "17-20 Oct. 1999",
                  doi = "10.1109/SIBGRA.1999.805714",
                  url = "http://dx.doi.org/10.1109/SIBGRA.1999.805714",
         organisation = "SBC - Brazilian Computer Society and UNICAMP - University of 
                         Campinas",
                  ibi = "83LX3pFwXQZ4BFjAq/jiJaF",
                  url = "http://urlib.net/ibi/83LX3pFwXQZ4BFjAq/jiJaF",
           targetfile = "065-82465014.pdf",
        urlaccessdate = "2024, May 02"
}