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.\" RCSid "$Id: xshowtrace.1,v 1.4 2005/04/19 18:44:21 greg Exp $"
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.TH PSKETCH 1 8/26/2017 RADIANCE
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.SH NAME
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psketch - apply non-photorealistic rendering to select objects in picture
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.SH SYNOPSIS
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.B psketch
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[
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.B "-m modname"
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][
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.B "-M modfile"
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]
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.B octree
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.B input.hdr
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[
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.B output.hdr
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]
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.SH DESCRIPTION
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.I Psketch
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takes a RADIANCE octree and a picture file
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and at least one modifier name given by one or more
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.I \-m
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and
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.I \-M
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options,
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which may be intermingled.
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The
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.I \-m
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option names a modifier for objects that will be sketched out
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by the program.
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The
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.I \-M
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option indicates a file of such modifier names that
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will be read in and included in the operation.
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The picture should have been created from a previous
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.I rpict(1)
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or
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.I rvu(1)
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calculation using the given octree.
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.SH AUTHOR
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Greg Ward
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.SH BUGS
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If the pointer is moved between the time 't' is pressed and
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.I xshowtrace
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starts drawing rays, the rays will be displaced.
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.SH "SEE ALSO"
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oconv(1), rpict(1), rtrace(1), rvu(1), ximage(1)
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