Improving radiosity solutions through the use of analytically determined form-factors
SIGGRAPH '89 Proceedings of the 16th annual conference on Computer graphics and interactive techniques
A general two-pass method integrating specular and diffuse reflection
SIGGRAPH '89 Proceedings of the 16th annual conference on Computer graphics and interactive techniques
A practical analytic model for daylight
Proceedings of the 26th annual conference on Computer graphics and interactive techniques
The hemi-cube: a radiosity solution for complex environments
SIGGRAPH '85 Proceedings of the 12th annual conference on Computer graphics and interactive techniques
Procedural multiresolution for plant and tree rendering
Proceedings of the 2nd international conference on Computer graphics, virtual Reality, visualisation and interaction in Africa
An efficient instantiation algorithm for simulating radiant energy transfer in plant models
ACM Transactions on Graphics (TOG)
Plane-Parallel Radiance Transport for Global Illumination in Vegetation
Proceedings of the Eurographics Workshop on Rendering Techniques '97
Hierachical Lighting Simulation for Outdoor Scenes
Proceedings of the Eurographics Workshop on Rendering Techniques '97
Interactive Rendering of Trees with Shading and Shadows
Proceedings of the 12th Eurographics Workshop on Rendering Techniques
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We introduce an illumination method for outdoor scenes containing plants and trees. Our method supports multiresolution plant and tree models based on random L-systems. The method includes modeling and rendering of the sky at different times for different locations on the earth. We propose an efficient algorithm to illuminate the leaves of a tree using form factors pre-computed with a polar-plane-based method. We also present two solutions to the visibility problem, a heuristic solution and a solution integrated with the polar-plane method.