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.\" RCSid "$Id: pmblur2.1,v 1.2 2012/10/05 02:07:10 greg Exp $"
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.TH PMBLUR2 1 10/4/2012 RADIANCE
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.SH NAME
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pmblur2 - apply motion blur to a frame from an animation
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.SH SYNOPSIS
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.B pmblur2
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.B f0,f1/n
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.B HDRspec
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.B ZBFspec
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.B MVOspec
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.SH DESCRIPTION
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.I Pmblur2
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Computes a square-shutter blur from frame position
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.I f0
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to frame position
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.I f1
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using the given picture, depth buffer, and motion vector offset files
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produced by
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.I ranimove(1).
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These arguments should be set similarly to the
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.I BASENAME,
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.I ZNAME,
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and
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.I MNAME
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variables in the
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.I ranimove
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input file, but should include the suffixes as well.
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.PP
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The starting and ending frame number are usually given as floating-point
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values.
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For example, the range "10.75,11.25" would simulate a 180-degree shutter
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around frame 11.
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An optional time slice count may be given to override the one that is
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computed by default.
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The range "5,15/30" would blur all the frames from 5 to 15 continuously
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using 30 time slices.
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The blurred image is always sent to stdout.
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.SH EXAMPLES
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To blur and downsample frame 95 with a 360-degree shutter:
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.IP "" .2i
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pmblur2 94.5,95.5 frame%03d.hdr frame%03d.zbf frame%03d.mvo | pfilt -1 -x /2 -y /2 > final95.hdr
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.SH AUTHOR
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Greg Ward
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.SH "SEE ALSO"
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pdfblur(1), pfilt(1), pinterp(1), pmblur(1), pmdblur(1), ranimove(1),
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rcode_depth(1), rpict(1), rtpict(1)
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