# HG changeset patch
# User Axel Jacobs <axel@jaloxa.eu>
# Date 1302442616 -3600
# Node ID b5d9ad64026d3c9135e3d3fb1545287bd8e58a5c
# Parent  7e6b4b31a0b731c2fa5ae8b6ca6aec73704ef8f3
Added objview

diff -r 7e6b4b31a0b7 -r b5d9ad64026d bin/objview.pl
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bin/objview.pl	Sun Apr 10 14:36:56 2011 +0100
@@ -0,0 +1,126 @@
+#!/usr/bin/perl
+#
+# Make a nice view of an object
+# Arguments are scene input files
+#
+# This is a re-write of Greg's original objview.csh.
+# The only extra functionality is that we accept a scene on STDIN
+# if no file name is given.
+#
+# Axel, Oct 2010
+
+use strict;
+use warnings;
+use File::Temp qw/ tempdir /;
+
+my $td = tempdir( CLEANUP => 1 );
+my $octree = "$td/ov$$.oct";
+my $lights = "$td/lt$$.rad";
+my $rif = "$td/ov$$.rif";
+my $ambf = "$td/af$$.amb";
+my $raddev = "x11";   # default output device. Overwrite with -o
+my $up = "Z";
+my $vw = "XYZ";
+
+my $opts = "";        # Options common to rad and glrad
+my $rendopts = "";    # For render= line in rif file
+my $usegl = 0;        # Run glrad instead of rad (Boolean).
+my $radopt = 0;       # An option specific to rad was passed (Boolean).
+my $glradopt = 0;     # An option specific to glrad was passed (Boolean).
+
+while (@ARGV) {
+	$_ = $ARGV[0];
+	if (m/-g/) {   # OpenGL output
+		$usegl = 1;
+	} elsif (m/-u/) {   # up direction
+		$up = $ARGV[1];
+		shift @ARGV;
+	} elsif ((m/-s/) or (m/-w/)) {   # silent, no warnings
+		$opts .= " $_";
+	} elsif (m/-b/) {   # back face visibility
+		$rendopts .= ' -bv';
+	} elsif (m/-v/) {   # standard view "[Xx]?[Yy]?[Zz]?[vlcahs]?"
+		# Let rad do any error handling...
+		$vw = $ARGV[1];
+		shift @ARGV;
+	} elsif (m/-N/) {   # No. of parallel processes
+		$opts .= ' -N ' . $ARGV[1];
+		$radopt = 1;
+		shift @ARGV;
+	} elsif (m/-o/) {   # output device (rvu -devices)
+		$raddev = $ARGV[1];
+		$radopt = 1;
+		shift @ARGV;
+	} elsif ((m/-V/) or (m/-e/)) {   # print view, explicate variables
+		# Think of those two as '-verbose'.
+		$opts .= " $_";
+		$radopt = 1;
+	} elsif (m/-S/) {   # full-screen stereo
+		$opts .= " $_";
+		$glradopt = 1;
+	} elsif (m/^-\w/) {
+		die("objview: Bad option: $_\n");
+	} else {
+		last;
+	}
+	shift @ARGV;
+}
+
+# We need at least one Radiance file or a scene on STDIN
+if ($#ARGV < 0) {
+	open(FH, ">$td/stdin.rad") or 
+			die("objview: Can't write to temporary file $td/stdin.rad\n");
+	while (<>) {
+		print FH;
+	}
+	# Pretend stdin.rad was passed as argument.
+	@ARGV = ("$td/stdin.rad");
+}
+
+# Make sure we don't confuse glrad and rad options.
+if ($usegl) {
+	if ($radopt) {
+		#system "glrad";  # Why are we launching glrad anyhow?
+		die("objview: glrad output requested, but rad option passed.\n");
+	}
+} else {
+	if ($glradopt) {
+		#system "rad";
+		die("objview: rad output requested, but glrad option passed.\n");
+	}
+}
+
+open(FH, ">$lights") or
+		die("objview: Can't write to temporary file $lights\n");
+print FH <<EndOfLights;
+void glow dim  0  0  4  .1 .1 .15  0
+dim source background  0  0  4  0 0 1  360
+void light bright  0  0  3  1000 1000 1000
+bright source sun1  0  0  4  1 .2 1  5
+bright source sun2  0  0  4  .3 1 1  5
+bright source sun3  0  0  4  -1 -.7 1  5
+EndOfLights
+close(FH);
+
+my $scenes = join(' ', @ARGV) . " $lights";
+open(FH, ">$rif") or
+		die("objview: Can't write to temporary file $rif\n");
+print FH <<EndOfRif;
+scene= $scenes
+EXPOSURE= .5
+UP= $up
+view= $vw
+OCTREE= $octree
+oconv= -f
+AMBF= $ambf
+render= $rendopts
+EndOfRif
+close(FH);
+
+if ($usegl) {
+	system "glrad $opts $rif";
+} else {
+	system "rad -o $raddev $opts $rif";
+}
+
+#EOF