channelecho.py
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1 #! /usr/bin/env python
2 # Copyright (c) 2009, Willow Garage, Inc.
3 # All rights reserved.
4 #
5 # Redistribution and use in source and binary forms, with or without
6 # modification, are permitted provided that the following conditions are met:
7 #
8 # * Redistributions of source code must retain the above copyright
9 # notice, this list of conditions and the following disclaimer.
10 # * Redistributions in binary form must reproduce the above copyright
11 # notice, this list of conditions and the following disclaimer in the
12 # documentation and/or other materials provided with the distribution.
13 # * Neither the name of the Willow Garage, Inc. nor the names of its
14 # contributors may be used to endorse or promote products derived from
15 # this software without specific prior written permission.
16 #
17 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
18 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
21 # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27 # POSSIBILITY OF SUCH DAMAGE.
28 
29 # Author: Stuart Glaser
30 
31 import roslib; roslib.load_manifest('realtime_tools')
32 import rospy
33 from realtime_tools.msg import BufferedData
34 
35 first_datum = True
36 def dataCB(msg):
37  global first_datum
38  if first_datum:
39  first_datum = False
40  for i in range(len(msg.channels)):
41  print "# %2d: %s" % ((i+1), msg.channels[i].name)
42  for i in range(len(msg.channels[0].values)):
43  print "%f" % msg.channels[0].values[i],
44  for c in msg.channels[1:]:
45  print ", %f" % c.values[i],
46  print
47 
48 def main():
49  topic = rospy.myargv()[1]
50 
51  rospy.init_node("channelecho", anonymous=True)
52  rospy.Subscriber(topic, BufferedData, dataCB)
53  rospy.spin()
54 
55 
56 
57 if __name__ == '__main__': main()
def dataCB(msg)
Definition: channelecho.py:36
def main()
Definition: channelecho.py:48


realtime_tools
Author(s): Stuart Glaser
autogenerated on Mon Feb 11 2019 03:43:21