Throughfall rendering in real-time
A phenomenological model for throughfall rendering in real-time
Y. Weber, V. Jolivet, G. Gilet, K. Nanko, D. Ghazanfarpour
Realistic Image Synthesis Team, Xlim Research Institute
University of Limoges, France
Department of Disaster Prevention, Meteorology and Hydrology
Forestry and Forest Products Research Institute, Japan
A complex natural scene
Complexity of throughfall rendering
Throughfall rendering in real-time is a challenging task
due to the environment complexity and the numerous water drops.
Related works
Even if it has already been 10 years, still visually impressive. Check it out on Youtube !
Related works
- real-time rendering
- no physical consistency and no parameters
Related works
Density and framerate: ≈ 6 FPS for 200 drops
- physically-based rendering
- framerate and scalability
Throughfall complexity
Physical interactions + numerous raindrops + tree complexity =
Our objectives
- Physically plausible simulation
- Real-time rendering
- Coherent parameters
- Complex natural scenes
Algorithm overview
Hydrological studies
Multiple hydrological researchers have studied the throughfall phenomenon.
Hydrological data
Algorithm overview
Algorithm overview
New fully functional form
Algorithm overview
Some results
Outside a tree
Inside a tree
Through a moving camera
Contributions
- a new approach based on hydrological studies for a high realistic rendering
- a simulation controlled through coherent parameters
- a functional representation evaluated on-the-fly controlling density and physical properties
- a real-time GPU-oriented implementation rendering a high density of throughfall
Future works
- Cascading throughfall (from a leaf to another one)
- Leaf rebounding right after dripping
- Include external effects in the functional form
Thanks for your attention
Check out my website www.weyo.fr
to find this presentation and the video.
Contact me at webery84@gmail.com
for job offers.
Any questions ?