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#!/usr/bin/perl -w |
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# RCSid $Id: rtpict.pl,v 2.5 2018/03/21 17:56:08 greg Exp $ |
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# |
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# Run rtrace in parallel mode to simulate rpict -n option |
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# |
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# G. Ward |
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# |
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use strict; |
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# we'll call rpict if this is not overridden |
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my $nprocs = 1; |
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# rtrace options and the associated number of arguments |
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my %rtraceC = ("-dt",1, "-dc",1, "-dj",1, "-ds",1, "-dr",1, "-dp",1, |
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"-ss",1, "-st",1, "-e",1, "-am",1, |
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"-ab",1, "-af",1, "-ai",1, "-aI",1, "-ae",1, "-aE",1, |
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"-av",3, "-aw",1, "-aa",1, "-ar",1, "-ad",1, "-as",1, |
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"-me",3, "-ma",3, "-mg",1, "-ms",1, "-lr",1, "-lw",1); |
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# boolean rtrace options |
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my @boolO = ("-w", "-bv", "-dv", "-i", "-u"); |
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# view options and the associated number of arguments |
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my %vwraysC = ("-vf",1, "-vtv",0, "-vtl",0, "-vth",0, "-vta",0, "-vts",0, "-vtc",0, |
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"-x",1, "-y",1, "-vp",3, "-vd",3, "-vu",3, "-vh",1, "-vv",1, |
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"-vo",1, "-va",1, "-vs",1, "-vl",1, "-pa",1, "-pj",1, "-pd",1); |
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# options we need to silently ignore |
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my %ignoreC = ("-t",1, "-ps",1, "-pt",1, "-pm",1); |
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# Starting options for rtrace (rpict values) |
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my @rtraceA = split(' ', "rtrace -u- -dt .05 -dc .5 -ds .25 -dr 1 " . |
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"-aa .2 -ar 64 -ad 512 -as 128 -lr 7 -lw 1e-03"); |
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my @vwraysA = ("vwrays", "-ff", "-pj", ".67"); |
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my @vwrightA = ("vwright", "-vtv"); |
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my @rpictA = ("rpict"); |
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my $outpic; |
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my $outzbf; |
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OPTION: # sort through options |
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while ($#ARGV >= 0 && "$ARGV[0]" =~ /^[-\@]/) { |
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# Check for file inclusion |
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if ("$ARGV[0]" =~ /^\@/) { |
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open my $handle, '<', substr($ARGV[0], 1); |
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shift @ARGV; |
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chomp(my @args = <$handle>); |
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close $handle; |
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unshift @ARGV, split(/\s+/, "@args"); |
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next OPTION; |
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} |
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# Check booleans |
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for my $boopt (@boolO) { |
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if ("$ARGV[0]" =~ ('^' . $boopt . '[-+01tfynTFYN]?$')) { |
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push @rtraceA, $ARGV[0]; |
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push @rpictA, shift(@ARGV); |
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next OPTION; |
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} |
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} |
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# Check view options |
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if (defined $vwraysC{$ARGV[0]}) { |
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push @vwraysA, $ARGV[0]; |
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my $isvopt = ("$ARGV[0]" =~ /^-v/); |
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push(@vwrightA, $ARGV[0]) if ($isvopt); |
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push @rpictA, shift(@ARGV); |
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for (my $i = $vwraysC{$rpictA[-1]}; $i-- > 0; ) { |
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push @vwraysA, $ARGV[0]; |
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push(@vwrightA, $ARGV[0]) if ($isvopt); |
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push @rpictA, shift(@ARGV); |
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} |
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next OPTION; |
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} |
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# Check rtrace options |
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if (defined $rtraceC{$ARGV[0]}) { |
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push @rtraceA, $ARGV[0]; |
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push @rpictA, shift(@ARGV); |
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for (my $i = $rtraceC{$rpictA[-1]}; $i-- > 0; ) { |
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push @rtraceA, $ARGV[0]; |
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push @rpictA, shift(@ARGV); |
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} |
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next OPTION; |
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} |
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# Check options to ignore |
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if (defined $ignoreC{$ARGV[0]}) { |
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push @rpictA, shift(@ARGV); |
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for (my $i = $ignoreC{$rpictA[-1]}; $i-- > 0; ) { |
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push @rpictA, shift(@ARGV); |
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} |
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next OPTION; |
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} |
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# Check for output file or number of processes |
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if ("$ARGV[0]" eq "-o") { |
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shift @ARGV; |
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$outpic = shift(@ARGV); |
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} elsif ("$ARGV[0]" eq "-z") { |
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push @rpictA, shift(@ARGV); |
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$outzbf = $ARGV[0]; |
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push @rpictA, shift(@ARGV); |
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} elsif ("$ARGV[0]" eq "-n") { |
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shift @ARGV; |
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$nprocs = shift(@ARGV); |
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} else { |
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die "Unsupported option: " . $ARGV[0] . "\n"; |
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} |
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} |
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die "Number of processes must be positive" if ($nprocs <= 0); |
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if (defined $outpic) { # redirect output? |
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die "File '$outpic' already exists\n" if (-e $outpic); |
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open STDOUT, '>', "$outpic"; |
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} |
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if ($nprocs == 1) { # may as well run rpict? |
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push(@rpictA, $ARGV[0]) if ($#ARGV == 0); |
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exec @rpictA ; |
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} |
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push @rtraceA, ("-n", "$nprocs"); |
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die "Need single octree argument\n" if ($#ARGV != 0); |
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my $oct = $ARGV[0]; |
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my $view = `@vwrightA 0`; |
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my @res = split(/\s/, `@vwraysA -d`); |
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if (defined $outzbf) { # generating depth buffer? |
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my $tres = "/tmp/rtp$$"; |
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system "@vwraysA | @rtraceA -fff -ovl $res[4] $oct > $tres" || exit 1; |
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system( q{getinfo -c rcalc -if4 -of -e '$1=$1;$2=$2;$3=$3' < } . |
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"$tres | pvalue -r -df -Y $res[3] +X $res[1] | " . |
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"getinfo -a 'VIEW=$view'" ); |
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system( "getinfo - < $tres | rcalc -if4 -of > $outzbf" . q{ -e '$1=$4'} ); |
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unlink $tres; |
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exit; |
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} |
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# no depth buffer, so simpler |
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exec "@vwraysA | @rtraceA -ffc @res $oct | getinfo -a 'VIEW=$view'"; |