jsk_rqt_plugins: sample_2d_plot.py Source File

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00001 #!/usr/bin/env python
00002 
00003 from jsk_recognition_msgs.msg import PlotData
00004 import numpy as np
00005 import rospy
00006 import math
00007 
00008 if __name__ == "__main__":
00009     rospy.init_node("sample_2d_plot")
00010     pub = rospy.Publisher("~output", PlotData)
00011     r = rospy.Rate(10)
00012     offset = 0
00013     while not rospy.is_shutdown():
00014         msg = PlotData()
00015         msg.xs = np.arange(0, 5, 0.1)
00016         msg.ys = [math.sin(x + offset) for x in msg.xs]
00017         pub.publish(msg)
00018         offset = offset + 0.1
00019         r.sleep()