| authors |
Nishita, Tomoyuki and Nakamae, Eihachiro |
| year |
1985 |
| title |
Continuous Tone Representation of Three-Dimensional Objects Taking Account of Shadows and Interreflection |
| source |
SIGGRAPH '85 Conference Proceedings. July, 1985. vol. 19 ; no. 3: pp. 23-30 : ill. some col. includes bibliography |
| summary |
The effect of shadows and interreflection created by room obstructions is an important factor in the continuous tone representation of interiors. For indirect illumination, in most cases a uniform ambient light has been considered, even though the interreflection gives very complex effects with the shaded images. The proposed method for indirect lighting with shadows results in the following advanced points: (1) The indirect illuminance caused by the surfaces of objects such as ceilings, floors, walls, desks, bookcases etc. gives added realism to images. (2) The proposed method is suitable for every type of light source such as point sources, linear sources, and area sources |
| keywords |
shadowing, shading, computer graphics, display, rendering, architecture, lighting |
| series |
CADline |
| references |
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