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Advanced Material Rendering in Blender
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SYSNO ASEP 0389704 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Ostatní články Title Advanced Material Rendering in Blender Author(s) Hatka, Martin (UTIA-B) RID
Haindl, Michal (UTIA-B) RID, ORCIDNumber of authors 2 Source Title The International Journal of Virtual Reality - ISSN 1081-1451
Roč. 11, č. 2 (2012), s. 15-23Number of pages 9 s. Publication form Online - E Language eng - English Country US - United States Keywords realistic material rendering ; bidirectional texture function ; Blender Subject RIV BD - Theory of Information R&D Projects GAP103/11/0335 GA ČR - Czech Science Foundation (CSF) GA102/08/0593 GA ČR - Czech Science Foundation (CSF) Institutional support UTIA-B - RVO:67985556 Annotation Physically correct and realistic visual appearance rendering or analysis of material surface visual properties require complex descriptive models capable of modelling material dependence on variable illumination and viewing conditions. The recent most advanced representation of visual properties of surface materials is a Bidirectional texture function (BTF). BTF is 7D function of planar coordinates, spectral coordinate, and viewing and illumination angles, respectively. Unlike smooth textures, it specifies their altering appearance due to varying illumination and viewing conditions. This BTF visual appearance dependency on viewing and illumination conditions significantly complicates not only its acquisition, representation, and modelling but also makes its rendering noticeably more demanding. BTF textures are acquired by costly measurements of real materials and their subsequent nontrivial processing. Workplace Institute of Information Theory and Automation Contact Markéta Votavová, votavova@utia.cas.cz, Tel.: 266 052 201. Year of Publishing 2013
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