recover the orbit.sh script.

very useful script for generating basic visualizations, not in the same vein as the animation tools.  it was modern, complete, self-contained, and useful script, so keep it on hand for quickly making spinning visualizations.

sh/orbit.sh

@@ -0,0 +1,88 @@
+#!/bin/sh
+#                          O R B I T . S H
+# BRL-CAD
+#
+# Copyright (c) 2010-2019 United States Government as represented by
+# the U.S. Army Research Laboratory.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+#
+# 1. Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following
+# disclaimer in the documentation and/or other materials provided
+# with the distribution.
+#
+# 3. The name of the author may not be used to endorse or promote
+# products derived from this software without specific prior written
+# permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
+# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
+# DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
+# GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+# NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+# SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+###
+#
+# Create an animation orbiting a given geometry.
+
+
+FILE="$1"
+WIDTH=512
+HEIGHT=512
+ELEVATION=35
+
+echo "DEPRECATION WARNING:  This command is scheduled for removal.  Please contact the developers if you use this command.\n\n"
+sleep 1
+
+if test "$2" = "" ; then
+    echo "Usage: orbit.sh [-w <width>] [-n <height>] [-e <elevation>] filename.g obj1 obj2..."
+    exit 1
+fi
+
+set -- `getopt e:s:S:w:n:W:N: $*`
+while : ; do
+    case $1 in
+	-e)
+	    ELEVATION=$2; shift;;
+	-s|-S)
+	    WIDTH=$2; HEIGHT=$2; shift;;
+	-w|-W)
+	    WIDTH=$2; shift;;
+	-n|-N)
+	    HEIGHT=$2; shift;;
+	--)
+	    break;
+    esac
+    shift
+done
+shift
+
+mkdir -p orbit.$$
+for frame in `jot 360 0`
+do
+    echo "Frame $frame (`echo $frame*100/360 | bc`%)"
+    rt -o orbit.$$/orbit.$frame.png -w$WIDTH -n$HEIGHT -a $frame -e$ELEVATION $* 2>/dev/null
+done && ffmpeg -i orbit.$$/orbit.%d.png orbit.$$.mp4 && rm -rf orbit.$$
+
+exit 0
+
+# Local Variables:
+# mode: sh
+# tab-width: 8
+# sh-indentation: 4
+# sh-basic-offset: 4
+# indent-tabs-mode: t
+# End:
+# ex: shiftwidth=4 tabstop=8