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.\" RCSid $Id: pkgBSDF.1,v 1.3 2011/08/25 15:16:22 greg Exp $
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.TH WRAPBSDF 1 2/20/2015 RADIANCE
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.SH NAME
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wrapBSDF - put XML wrapper around WINDOW6 BSDF data
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.SH SYNOPSIS
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.B wrapBSDF
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[
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.B \-W
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][
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.B \-c
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][
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.B "\-a {kf|kh|kq|t3|t4}"
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][
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.B "\-u unit"
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][
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.B "\-g geom.mgf"
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][
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.B "\-f 'x=string;y=string'"
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][
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.B "\-s spectr"
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][
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.B "\-tb inp"
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][
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.B "\-tf inp"
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][
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.B "\-rb inp"
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][
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.B "\-rf inp"
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][
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.B "input.xml"
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]
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.SH DESCRIPTION
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.I WrapBSDF
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takes ASCII matrix or tensor tree data given in one or more
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.I "\-tf, \-tb, \-rf,"
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and
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.I \-rb
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options and adds them to the given
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.I input.xml
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file or to a standard template suitable for
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.I Radiance
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and
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.I WINDOW6.
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The
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.I \-W
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option may be given to ensure adherence to the
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.I WINDOW6
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requirements, which draws from a standard template
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and warns the user if the required additional fields are not
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provided.
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.PP
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Fields may be set by one or more
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.I \-f
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options, which take pairs of XML tag names and values, such as
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.I "\-f Manufacturer=ACME".
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A number of shorthand names are provided corresponding to the
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following tags (asterisk tags are required with -W):
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.sp
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.nf
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m Manufacturer(*)
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n Name(*)
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c ThermalConductivity
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ef EmissivityFront
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eb EmissivityBack
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eo EffectiveOpennessFraction
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t Thickness(*)
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h Height
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w Width
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.fi
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.PP
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If any dimensions are given, thier units will correspond to
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meters by default, or the
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.I \-u
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option may be used to specify one of:
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meter, foot, inch, centimeter, or millimeter.
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Any other unit specification will result in an error, and
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only one set of units may be selected.
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A "Materials and Geometry Format" file may be provided with the
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.I \-g
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option, and will also be in the indicated units.
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.PP
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The spectrum corresponding to a particular set of data may be given
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before the data option using a
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.I \-s
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specification, whose argument is either the name of a spectral
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sensitivity file or one of the standard spectra:
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Visible, Solar, NIR, CIE-u, CIE-v, CIE-X, or CIE-Z.
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Different spectra may be given for different distribution data,
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and the default spectrum is Visible (CIE-Y).
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.PP
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The
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.I \-a
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option specifies the angular sampling basis for all the data
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provided, and must be set if any data is given.
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Legal arguments for this option are:
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.sp
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.nf
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kf Klems full sampling (145x145 matrix)
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kh Klems half sampling (73x73 matrix)
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kq Klems quarter sampling (41x41 matrix)
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t3 Tensor tree isotropic sampling
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t4 Tensor tree anisotropic sampling
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.fi
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.sp
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In the case of Klems data, the
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.I \-c
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option may be specified to include a correction for solid
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angle, which is necessary to convert flux form factors into
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BSDF data.
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Since it flux factors rather than BSDF values are computed by
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.I rfluxmtx(1)
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and similar sources, this is often necessary for proper conversion.
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.PP
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Most options that accept file names
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can take data from the standard input by using a hyphen ('-')
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in place of the file, but only one option at most may read from stdin.
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.SH EXAMPLE
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Create an WINDOW6 BSDF from computed transmission matrix:
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.IP "" .2i
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rfluxmtx -fa ... | wrapBSDF -W -u millimeter -f 't=5;m=3M;n=Trans30' -c -tb - > Trans30.xml
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.PP
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Add a name and MGF geometry to an XML file:
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Add a name and MGF geometry to an XML file:
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.IP "" .2i
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wrapBSDF -f 'Name=My Device' -g MyDevice.mgf orig.xml > revised.xml
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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), bsdf2ttree(1), genBSDF(1), mgf2rad(1),
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pkgBSDF(1), rad2mgf(1), rfluxmtx(1)
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