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.\" Print using the -ms macro package |
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.DA 1/20/99 |
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.LP |
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< |
.tl """Copyright \(co 2003 Regents, University of California |
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> |
.tl """Copyright \(co 2006 Regents, University of California |
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.sp 2 |
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.TL |
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The |
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.LP |
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.UL Mirror |
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.PP |
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< |
Mirror is used for planar surfaces that produce secondary |
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> |
Mirror is used for planar surfaces that produce virtual |
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source reflections. |
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This material should be used sparingly, as it may cause the light |
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source calculation to blow up if it is applied to many small surfaces. |
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.UL Prism1 |
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.PP |
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The prism1 material is for general light redirection from prismatic |
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< |
glazings, generating secondary light sources. |
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> |
glazings, generating virtual light sources. |
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It can only be used to modify a planar surface (i.e., a polygon or disk) |
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and should not result in either light concentration or scattering. |
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The new direction of the ray can be on either side of the material, |
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and the definitions must have the correct bidirectional properties |
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< |
to work properly with secondary light sources. |
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> |
to work properly with virtual light sources. |
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The arguments give the coefficient for the redirected light |
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and its direction. |
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.DS |
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.I Rview |
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is ray-tracing program for viewing a scene interactively. |
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When the user specifies a new perspective, |
| 1373 |
< |
.I rvu |
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> |
.I rview |
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quickly displays a rough |
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image on the terminal, then progressively |
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increases the resolution as the user looks on. |
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in Lausanne, Switzerland. |
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.NH 1 |
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References |
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+ |
.LP |
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+ |
Cater, K., A. Chalmers, G. Ward, |
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``Detail to Attention: Exploiting Visual Tasks for Selective Rendering,'' |
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.I "Eurograhics Symposium on Rendering", |
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June 2003. |
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.LP |
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Ward, G., Elena Eydelberg-Vileshin, |
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``Picture Perfect RGB Rendering Using Spectral Prefiltering and |
