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.\" RCSid "$Id: objview.1,v 1.5 2014/04/16 20:48:07 greg Exp $"
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.TH BSDFVIEW 1 8/11/2017 RADIANCE
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.SH NAME
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bsdfview - view a BSDF representation
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.SH SYNOPSIS
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.B bsdfview
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[
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.B "\-q {Hi|Med|Lo}"
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][
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rad options
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]
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input ..
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.br
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.SH DESCRIPTION
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.I Bsdfview
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renders a BSDF description interactively.
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This program is a script that creates a rad input file (RIF)
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then calls
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.I rad(1)
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to make an octree by calling
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.I bsdf2rad(1)
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and view the scene interactively.
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.PP
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The input is either a single XML file, such as might be produced by
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.I genBSDF(1),
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.I bsdf2klems(1),
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or
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.I bsdf2ttree(1),
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or one to four scattering interpolation representation (SIR) files, as
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might be produced by
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pabopto2bsdf(1).
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.PP
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A rad input file will be produced, whose name matches the root of
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the first input file but with any leading path removed (i.e., in
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the current directory).
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This RIF may be reused for subsequent viewing and rendering via
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.I rad
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without incurring the cost of another call to
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.I bsdf2rad.
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.PP
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The quality preference may be set via the
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.I \-q
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option.
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The number of processors to use may be specified with the
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.I \-n
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option.
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.PP
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The program creates a number of views accessible via the
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.I rvu(1)
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"L" command:
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.TP 10n
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.BR def
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The default view, showing the back and front BRDFs.
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.TP
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.BR fr
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A view of the front reflection hemisphere.
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.TP
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.BR br
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A view of the back reflection hemisphere.
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.TP
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.BR ft
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A fisheye view of the front transmission hemisphere (from underneath).
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.TP
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.BR bt
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A fisheye view of the back transmission hemisphere.
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.TP
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.BR pr
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A parallel view of both reflection hemispheres from directly overhead.
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.TP
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.BR pt
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A parallel view of both transmission hemispheres from directly underneath.
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.PP
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Additionally, all the standard views that
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.I rvu
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defines will be available (e.g., "xZ", "zl", etc.).
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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), bsdf2rad(1), bsdf2ttree(1), genBSDF(1),
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objview(1), oconv(1), pabopto2bsdf(1), rad(1), rvu(1)
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