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(The default progress bar length is 79 characters.)\0 |
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.PP |
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The |
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< |
.I \-a |
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option turns off reciprocity averaging for isotropic scattering or anisotropic reflection. |
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Normally on (+a), this ensures that the tensor BRDF obeys Helmholtz reciprocity. |
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< |
However, in certain rare cases, reciprocity averaging can cause unwanted noise in the output. |
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.I \+a |
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option turns on reciprocity averaging for isotropic scattering or anisotropic reflection. |
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> |
Normally off (-a), this enforces each tensor-tree hemisphere to follow symmetry |
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implied by Helmholtz reciprocity, and is designed to reduce noise in measured data. |
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However, for some data, reciprocity averaging can make the output worse. |
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.PP |
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The maximum resolution of the tensor tree may be controlled by the |
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.I \-g |
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.SH AUTHOR |
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Greg Ward |
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.SH "SEE ALSO" |
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< |
bsdf2klems(1), icalc(1), genBSDF(1), pkgBSDF(1), rcontrib(1), |
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< |
rfluxmtx(1), wrapBSDF(1) |
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bsdf2klems(1), icalc(1), genBSDF(1), pabopto2bsdf(1), pabopto2xyz(1), |
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> |
pkgBSDF(1), rcontrib(1), rfluxmtx(1), wrapBSDF(1) |
