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-rwxr-xr-xscripts/osim-extract.py92
1 files changed, 92 insertions, 0 deletions
diff --git a/scripts/osim-extract.py b/scripts/osim-extract.py
new file mode 100755
index 0000000..e9686ec
--- /dev/null
+++ b/scripts/osim-extract.py
@@ -0,0 +1,92 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+#
+# osim-extract.py -- Extract information from .osim file
+#
+# Copyright (C) 2013 Tobias Klauser <tklauser@distanz.ch>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+
+import os
+import sys
+import getopt
+import xml.etree.ElementTree as ET
+
+def usage():
+ print("""usage: {} [OPTION...] FILE
+
+options:
+ -b print only body names
+ -j print only joint names
+ -m print only muscle names
+ -v verbose mode
+ -h show this help and exit""".format(os.path.basname(sys.argv[0])))
+
+
+def main():
+ try:
+ opts, args = getopt.getopt(sys.argv[1:], "bjmvh")
+ except getopt.GetoptError as err:
+ print(str(err))
+ usage()
+ sys.exit(-1)
+
+ do_print = { 'b': False, 'j': False, 'm': False }
+ verbose = False
+ for o, a in opts:
+ if o == '-b':
+ do_print['b'] = True;
+ elif o == '-j':
+ do_print['j'] = True;
+ elif o == '-m':
+ do_print['m'] = True;
+ elif o == '-v':
+ verbose = True
+ elif o == '-h':
+ usage()
+ sys.exit(0)
+ else:
+ assert False, "unhandled option"
+
+ if len(args) < 1:
+ print("Error: no .osim model file specified")
+ usage()
+ sys.exit(-1)
+
+ if not True in do_print.values():
+ for k in do_print.iterkeys():
+ do_print[k] = True
+
+ try:
+ tree = ET.parse(args[0])
+ except:
+ print("Error: failed to parse .osim model file")
+ sys.exit(-1)
+
+ root = tree.getroot()
+ if verbose:
+ print("Found root with version {}".format(root.attrib['Version']))
+ model = tree.find('Model')
+ if verbose:
+ print("Found model '{}'".format(model.attrib['name']))
+
+ if do_print['b']:
+ bodies = [ body.attrib['name'] for body in root.findall('Model/BodySet/objects/Body') ]
+ if verbose:
+ print("bodies:")
+ print(','.join(bodies))
+ if do_print['j']:
+ joints = [ joint.attrib['name'] for joint in root.findall('Model/BodySet/objects/Body/Joint/*') ]
+ if verbose:
+ print("joints:")
+ print(','.join(joints))
+ if do_print['m']:
+ muscles = [ force.attrib['name'] for force in root.findall('Model/ForceSet/objects/Thelen2003Muscle') ]
+ if verbose:
+ print("muscles:")
+ print(','.join(muscles))
+
+if __name__ == '__main__':
+ main()