imageryeel's profile - activity

Whenever I start the turtlebot the kinect doesn't launch properly. Once the create base is on ssh in and do a sudo reboot now. Goodluck

Hi all,

I'm trying to get the turtlesim to check it's location after moving in order to plan a new command vel. However, when I add rospy.sleep(2.0) or a Rate to wait for the movement to occur my subscriber node seems to timeout and return the same coordinates as where the bot originated from. Here's the outline of the code

def callback (pos)

rospy.loginfo() #get coordinates calculate heading with pos info

def movement

movement.publish()

rospy.sleep(2) send command vel than wait 2 sec

def main () rospy.init_node

while not rospy.is_shutdown()


  rospy.Subscriber(turtle1/pose, Pose, callback)
  movement
  rospy.Publisher(/turtle1/command_velocity, Velocity)

The output of this is a turtlebot repeating the same movement and logging the same coordinates, rather than homing in on a goal location.

Thanks for any help,

Hi all,

I'm trying to get the theta (or any) float variable from the turtlesim.msg Pose, and not having any luck.

I've been trying things like;

subscribing directly to theta, rospy.Subscriber("turtle1/pose", turtlesim.msg.Pose('theta'))

or by subscribing to pose and pulling theta out of the pose msg

Thanks for any help,

Hi all,

I need to change the tf link from Odom to base_footprint to Odom->"Turtlebot/base_footprint. I've read some other forums but I'm still stuck. I've tried to change the launch file paramaters but this hasn't effected the base_footprint destination.

Thanks,

I'm on Ros electric