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greg |
2.1 |
#!/usr/bin/perl
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greg |
2.2 |
# RCSid $Id: objview.pl,v 2.1 2013/12/04 20:07:07 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 |
2.2 |
} elsif (m/^-N\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
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