Research Topics (3)
- penumbra due to the sun (1991)
- cylindrical light source (1991)
- radiosity for curved surfaces (1993)
- display of shaded time (1980)
- atmospheric scattering, smoke (1987)
- the earth viewed from outer space (1993)
- optical effects within water (1994)
- clouds with multiple scattering (1996)
- snow with multiple scattering (1997)