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Real-Time Rendering of Ice
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Centre for Image Analysis. Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology, Computerized Image Analysis.
Uppsala University, Disciplinary Domain of Science and Technology, Mathematics and Computer Science, Department of Information Technology.
2007 (English)In: Proceedings of the Ninth IASTED International Conference on Computer Graphics and Imaging / [ed] Gobbetti, E, 2007, 60-66 p.Conference paper, Published paper (Refereed)
Abstract [en]

We present a method for implementing visual appearance of ice and its most important characteristics in real-time. The proposed method is capable of filling a given convex geometry with air particles and bubbles as well as adding an arbitrary amount of cracks. Techniques are presented for creating a bumpy and irregular surface that multiply reflects and refracts the environment. An improved image space technique for clipping a geometry using the Boolean difference of two geometries is presented as well. This technique is used on the cracks to clip them against the ice's geometry. The reflection and refraction effects on the ice are implemented by using environment mapping. Two-sided refraction is accomplished by combining the normal vectors of the front and back side of the ice object. The result is ice with convincing visual appearance rendered in real-time using modem graphics hardware.

Place, publisher, year, edition, pages
2007. 60-66 p.
Keyword [en]
computer graphics, modelling of natural phenomena, illumination models, realtime rendering algorithms
National Category
Computer Science Computer Vision and Robotics (Autonomous Systems)
Identifiers
URN: urn:nbn:se:uu:diva-15170ISI: 000246337800010ISBN: 978-0-88986-644-7 (print)OAI: oai:DiVA.org:uu-15170DiVA: diva2:42941
Conference
9th International Conference on Computer Graphics and Imaging Innsbruck, AUSTRIA, FEB 13-15, 2007
Available from: 2008-04-19 Created: 2008-04-19 Last updated: 2011-04-14Bibliographically approved

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http://www.actapress.com/Abstract.aspx?paperid=29745

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Seipel, Stefan

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