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#!/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()
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