Hi Kadir,

Next time you see this problem try running tf_moniter:

rosrun tf tf_monitor

It should help you debug delays between frames.  Like Josh said, it's
likely you'll find that the frames from a particular computer are
delayed because that computers clock is running slow.

-Stu

On Sat, Feb 5, 2011 at 5:13 AM, kadir <kadirfu@gmail.com> wrote:
>
> Hi again,
>
> Here are the publishers/subscribers of the /tf node:
>
> Type: tf/tfMessage
>
> Publishers:
>  * /p2os (http://asilNetbook:42584/)
>  * /robot_state_publisher (http://kfuKovan:34914/)
>
> Subscribers:
>  * /rviz (http://kfuKovan:45393/)
>
> And, p2os have the following connections:
>  * topic: /rosout
>    * to: /rosout
>    * direction: outbound
>    * transport: TCPROS
>  * topic: /battery_state
>    * to: /p2os_dashboard_6064_1296910632860
>    * direction: outbound
>    * transport: TCPROS
>  * topic: /tf
>    * to: /rviz
>    * direction: outbound
>    * transport: TCPROS
>  * topic: /motor_state
>    * to: /p2os_dashboard_6064_1296910632860
>    * direction: outbound
>    * transport: TCPROS
>  * topic: /cmd_vel
>    * to: http://kfuLaptop:48205/
>    * direction: inbound
>    * transport: TCPROS
>  * topic: /cmd_motor_state
>    * to: http://asilNetbook:57255/
>    * direction: inbound
>    * transport: TCPROS
>
> Today, I have run the system several times and I didn't see any lagging or
> jitter today :) I don't know why it happened last night.
>
> Thanks guys...
>
> -Kadir-
> --
> View this message in context: http://ros-users.122217.n3.nabble.com/strange-lagging-behavior-in-rviz-in-the-links-connected-to-the-base-link-tp2426278p2430916.html
> Sent from the ROS-Users mailing list archive at Nabble.com.
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-- 
Stuart Glaser
sglaser -at- willowgarage -dot- com
www.willowgarage.com