Article | The Annual SIGRAD Conference. Special Theme - Environmental Visualization | Real-time Rendering of Accumulated Snow

Title:
Real-time Rendering of Accumulated Snow
Author:
Per Ohlsson: Uppsala University, Sweden Stefan Seipel: Uppsala University, Sweden
Download:
Full text (pdf)
Year:
2004
Conference:
The Annual SIGRAD Conference. Special Theme - Environmental Visualization
Issue:
013
Article no.:
007
Pages:
25-31
No. of pages:
7
Publication type:
Abstract and Fulltext
Published:
2004-11-24
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press; Linköpings universitet


This paper presents a method of computing snow accumulation as a per pixel effect while rendering the scene. The method is similar to the shadow mapping method for shadow calculations. A depth buffer is used to find out how much snow a particular surface should receive. The amount of snow is then modified depending on the slope of the surface. To render the snow in a convincing way 3D noise is utilized for the lighting of the snow surface.

Keywords: Snow; computer graphics

The Annual SIGRAD Conference. Special Theme - Environmental Visualization

Author:
Per Ohlsson, Stefan Seipel
Title:
Real-time Rendering of Accumulated Snow
References:

Everitt; C.; Rege; A.; and Cebenoyan; C.; 2002. Hardware shadow mapping; ACM SIGGRAPH 2002 Tutorial Course #31: Interactive Geometric Computations using graphics hardware; ACM; F38-F51


Fearing; Paul 2000. Computer Modelling Of Fallen Snow. Proceedings of the 27th annual conference on Computer graphics and interactive techniques; 37-46


Haglund; H.; Anderson; M.; and Hast; A.; 2002. Snow Accumulation in Real-Time; Proceedings of SIGRAD 2002; 11-15


Hsu; S.C; and Wong; T.T. 1995. Visual Simulation of Dust Accumulation; IEEE Computer Graphics and Applications 15; 1; 18-22


Nishita T.; Iwasaki; H.; Dobashi; Y.; and Nakamae; F. 1997. A Modeling and Rendering Method for Snow by Using Metaballs. Computer Graphics Forum; Vol 16; No. 3; C357


Perlin; Ken; 1985. An Image Synthesizer; Computer Graphics (Proceedings of ACM SIGGRAPH 85); 19; 3; 287-296


Summers; Robert W.; O’Brien; James F.; and Hodgins; Jessica K. 1998. Animating Sand; Mud; and Snow. The Proceedings of Graphics Interface’98; 125-132

The Annual SIGRAD Conference. Special Theme - Environmental Visualization

Author:
Per Ohlsson, Stefan Seipel
Title:
Real-time Rendering of Accumulated Snow
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