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greg |
2.1 |
#!/usr/bin/perl |
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greg |
2.3 |
# RCSid $Id: objview.pl,v 2.2 2016/08/19 17:51:23 greg Exp $ |
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greg |
2.1 |
# |
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# Make a nice view of an object |
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# Arguments are scene input files |
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# |
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# This is a re-write of Greg's original objview.csh. |
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# The only extra functionality is that we accept a scene on STDIN |
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# if no file name is given. |
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# |
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# Axel, Nov 2013 |
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use strict; |
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use warnings; |
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use File::Temp qw/ tempdir /; |
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my $td = tempdir( CLEANUP => 1 ); |
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my $octree = "$td/ov$$.oct"; |
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my $lights = "$td/lt$$.rad"; |
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my $rif = "$td/ov$$.rif"; |
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my $ambf = "$td/af$$.amb"; |
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my $raddev = "x11"; # default output device. Overwrite with -o |
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my $up = "Z"; |
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my $vw = "XYZ"; |
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my $opts = ""; # Options common to rad and glrad |
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my $rendopts = ""; # For render= line in rif file |
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my $usegl = 0; # Run glrad instead of rad (Boolean). |
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my $radopt = 0; # An option specific to rad was passed (Boolean). |
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my $glradopt = 0; # An option specific to glrad was passed (Boolean). |
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while (@ARGV) { |
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$_ = $ARGV[0]; |
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greg |
2.2 |
if (m/^-g\b/) { # OpenGL output |
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greg |
2.1 |
if ( $^O =~ /MSWin32/ ) { |
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die("OpenGL view is not available under Windows.\n"); |
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} |
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$usegl = 1; |
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greg |
2.2 |
} elsif (m/^-u\b/) { # up direction |
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greg |
2.1 |
$up = $ARGV[1]; |
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shift @ARGV; |
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greg |
2.2 |
} elsif ((m/^-s\b/) or (m/^-w/)) { # silent, no warnings |
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greg |
2.1 |
$opts .= " $_"; |
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greg |
2.2 |
} elsif (m/^-b/) { # back face visibility |
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greg |
2.1 |
$rendopts .= ' -bv'; |
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greg |
2.2 |
} elsif (m/^-v\b/) { # standard view "[Xx]?[Yy]?[Zz]?[vlcahs]?" |
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greg |
2.1 |
# Let rad do any error handling... |
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$vw = $ARGV[1]; |
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shift @ARGV; |
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greg |
2.3 |
} elsif (m/^-[nN]\b/) { # No. of parallel processes |
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greg |
2.1 |
$opts .= ' -N ' . $ARGV[1]; |
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$radopt = 1; |
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shift @ARGV; |
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greg |
2.2 |
} elsif (m/^-o\b/) { # output device (rvu -devices) |
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greg |
2.1 |
$raddev = $ARGV[1]; |
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$radopt = 1; |
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shift @ARGV; |
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greg |
2.2 |
} elsif ((m/^-V\b/) or (m/^-e\b/)) { # print view, explicate variables |
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greg |
2.1 |
# Think of those two as '-verbose'. |
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$opts .= " $_"; |
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$radopt = 1; |
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greg |
2.2 |
} elsif (m/^-S\b/) { # full-screen stereo |
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greg |
2.1 |
$opts .= " $_"; |
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$glradopt = 1; |
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} elsif (m/^-\w/) { |
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die("objview: Bad option: $_\n"); |
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} else { |
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last; |
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} |
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shift @ARGV; |
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} |
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# We need at least one Radiance file or a scene on STDIN |
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if ($#ARGV < 0) { |
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open(FH, ">$td/stdin.rad") or |
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die("objview: Can't write to temporary file $td/stdin.rad\n"); |
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while (<>) { |
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print FH; |
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} |
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# Pretend stdin.rad was passed as argument. |
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@ARGV = ("$td/stdin.rad"); |
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} |
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# Make sure we don't confuse glrad and rad options. |
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if ($usegl) { |
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if ($radopt) { |
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die("objview: glrad output requested, but rad option passed.\n"); |
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} |
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} else { |
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if ($glradopt) { |
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die("objview: rad output requested, but glrad option passed.\n"); |
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} |
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} |
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open(FH, ">$lights") or |
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die("objview: Can't write to temporary file $lights\n"); |
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print FH <<EndOfLights; |
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void glow dim 0 0 4 .1 .1 .15 0 |
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dim source background 0 0 4 0 0 1 360 |
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void light bright 0 0 3 1000 1000 1000 |
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bright source sun1 0 0 4 1 .2 1 5 |
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bright source sun2 0 0 4 .3 1 1 5 |
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bright source sun3 0 0 4 -1 -.7 1 5 |
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EndOfLights |
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close(FH); |
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my @scenes = @ARGV; |
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push (@scenes, $lights); |
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# Make this work under Windoze |
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if ( $^O =~ /MSWin32/ ) { |
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for my $i (0 .. $#scenes) { |
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# rad doesn't like Windows-style backslashes. |
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$scenes[$i] =~ s{\\}{/}g; |
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} |
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$octree =~ s{\\}{/}g; |
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$ambf =~ s{\\}{/}g; |
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$raddev = "qt"; |
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} |
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my $scene = join(' ', @scenes); |
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open(FH, ">$rif") or |
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die("objview: Can't write to temporary file $rif\n"); |
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print FH <<EndOfRif; |
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scene= $scene |
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EXPOSURE= .5 |
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UP= $up |
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view= $vw |
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OCTREE= $octree |
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oconv= -f |
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AMBF= $ambf |
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render= $rendopts |
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EndOfRif |
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close(FH); |
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if ($usegl) { |
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system "glrad $opts $rif"; |
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} else { |
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system "rad -o $raddev $opts $rif"; |
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} |
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#EOF |
