Istituto di Scienza e Tecnologie dell'Informazione     
Tarini M. Cylindrical and toroidal parameterizations without vertex seams. In: Journal of Graphics Tools, vol. 16 (3) pp. 144 - 150. Taylor & Francis, 2012.
A simple rendering method to avoid vertex seams in cylindrical and toroidal UV mappings used for texture mapping is presented. (A vertex seam is a vertex duplication of a polygonal mesh with different texture coordinates assigned to the two geometrically coinciding copies.) As a result, the method leads to simpler, leaner, replication-free data structures. Is also allows for a higher degree of proceduralism in generation of texture coordinates. The method is general, trivial to implement (exhaustive pseudocode is provided), very low in cost on resources (with a virtually null impact on performance), and it leverages only basic mechanisms widely available in most GPU implementations. An open-source implementation is available at the address provided at the end of this article.
URL: http://www.tandfonline.com/doi/abs/10.1080/2151237X.2012.654054
DOI: 10.1080/2151237X.2012.654054
Subject Texture mapping
Surface parameterization
I.3.7 Three-Dimensional Graphics and Realism

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