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#!/bin/csh -f
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# RCSid: $Id: pmblur.csh,v 2.3 2005/01/18 03:59:41 greg Exp $
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#
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# Generate views for motion blurring on picture
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#
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if ($#argv != 4) then
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echo "Usage: $0 speed nsamp v0file v1file"
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exit 1
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endif
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set s = "$1"
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set n = "$2"
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set vc = "$3"
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set vn = "$4"
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cnt $n | rcalc -e `vwright C < $vc` -e `vwright N < $vn` \
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-e "t=$s/$n"'*($1+rand($1))' \
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-e 'opx=(1-t)*Cpx+t*Npx;opy=(1-t)*Cpy+t*Npy;opz=(1-t)*Cpz+t*Npz' \
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-e 'odx=(1-t)*Cdx*Cd+t*Ndx*Nd;ody=(1-t)*Cdy*Cd+t*Ndy*Nd;odz=(1-t)*Cdz*Cd+t*Ndz*Nd' \
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-e 'oux=(1-t)*Cux+t*Nux;ouy=(1-t)*Cuy+t*Nuy;ouz=(1-t)*Cuz+t*Nuz' \
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-e 'oh=(1-t)*Ch+t*Nh;ov=(1-t)*Cv+t*Nv' \
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-o 'VIEW= -vp ${opx} ${opy} ${opz} -vd ${odx} ${ody} ${odz} -vu ${oux} ${ouy} ${ouz} -vh ${oh} -vv ${ov}'
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