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replaced by the contents of the given file. |
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.PP |
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.I Rcontrib |
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< |
has EXPERIMENTAL support for light source contributions from photon maps |
| 287 |
< |
generated by |
| 286 |
> |
supports light source contributions from photon maps generated by |
| 287 |
|
.I mkpmap(1) |
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with its |
| 289 |
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.I -apC |
| 290 |
< |
option. In photon mapping mode, |
| 290 |
> |
option. Enabling photon mapping is described in the |
| 291 |
> |
.I rtrace |
| 292 |
> |
man page along with its relevant settings. In photon mapping mode, |
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.I rcontrib |
| 294 |
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only supports contributions from light sources, not arbitrary modifiers. |
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The |
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.I \-V- |
| 300 |
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option. Using fewer photons than there are light sources for the photon |
| 301 |
|
density estimates results in omitted contributions, thus the bandwidth |
| 302 |
< |
is clamped accordingly and a warning issued. |
| 302 |
> |
is clamped accordingly and a warning is issued. |
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.SH EXAMPLES |
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To compute the proportional contributions from sources modified |
| 305 |
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by "light1" vs. "light2" on a set of illuminance values: |
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scene.oct < test.dat, |
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.SH ENVIRONMENT |
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RAYPATH path to search for \-f and \-M files |
| 333 |
+ |
.SH BUGS |
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We do not currently compute contributions or coefficients properly |
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in scenes with participating media. |
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A single warning will be issued if a scattering or absorbing medium |
| 337 |
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is detected. |
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.SH AUTHOR |
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Greg Ward |
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.SH "SEE ALSO" |
