[ros-users] strange lagging behavior in rviz, in the links connected to the base_link

Eric Perko wisesage5001 at gmail.com
Fri Feb 4 19:06:27 UTC 2011


On Fri, Feb 4, 2011 at 1:36 PM, kadir <kadirfu at gmail.com> wrote:

> Hi,
> I have just started learning ROS and it's various tools for the project
> that
> I'm working on.
> I have merged the urdf files of the pioneer3dx robot
> (usc-ros-pkg/p2os/p2os_urdf), and swissranger sr4k tof range
> cameras(ua-ros-pkg/arrg/ua_robots/swissranger_camera_description), and
> added
> several fixed links just for the sake of completeness.
> I am running pioneer robot by using teleop_base/teleop_base_keyboard, and
> visualizing running robot on rviz.
> The problem is that, although the base_link is immediately transformed and
> new pose is shown properly, other links connected to this link comes after
> in a lagged fashion.
> Since I'm pretty new here, if you can help me to shrink my search space, it
> would really be appreciated.

What rates are the different tf publishers outputting at? Does it happen if
you try different combinations of target/fixed frame in RViz? See this
thread http://code.ros.org/lurker/message/20101217.042334.a4610002.en.html for
details on some problems we ran into with URDF display in RViz.

- Eric

> Thanks in advance...
> Please see the attached screenshot and watch the screen video,
> http://www.youtube.com/watch?v=QITr25A3MBw here , showing this problem.
> http://ros-users.122217.n3.nabble.com/file/n2426278/Screenshot-6.png

> -Kadir-
> --
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