Multiscale Shaders for the Efficient Realistic Rendering of Pine-Trees

Alexandre Meyer 1 Fabrice Neyret 1, *
* Corresponding author
1 iMAGIS - Models, Algorithms and Geometry for Computer Generated Image Graphics
GRAVIR - IMAG - Graphisme, Vision et Robotique, Inria Grenoble - Rhône-Alpes
Abstract : The frame of our work is the efficient realistic rendering of scenes containing a huge amount of data for which an a priori knowledge is available. In this paper, we present a new model able to render forests of pine-trees\ fficiently in ray-tracing and free of aliasing. This model is based on three scales of shaders representing the geometry (i.e. needles) that is smaller than a pixel size. These shaders are computed by analytically integrating the illumination reflected by this geometry using the a priori knowledge. They include the effects of local illumination, shadows and opacity within the concerned volume of data.
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Alexandre Meyer, Fabrice Neyret. Multiscale Shaders for the Efficient Realistic Rendering of Pine-Trees. Graphics Interface, Canadian Information Processing Society, May 2000, Montréal, Canada. pp.137--144. ⟨inria-00537508⟩

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