1 #!/usr/bin/python
   2 
   3 import random
   4 import rospy
   5 from pal_statistics import StatisticsRegistry
   6 
   7 
   8 def get_my_var():
   9     return random.random()
  10 
  11 
  12 def publish_callback(event):
  13     registry.publish()
  14 
  15 
  16 rospy.init_node("my_stats_node")
  17 
  18 registry = StatisticsRegistry("/my_statistics_topic")
  19 
  20 registry.registerFunction("my_var", get_my_var)
  21 
  22 rospy.Timer(rospy.Duration(0.01), publish_callback)
  23 
  24 rospy.spin()