Hi Kadir,

When you are running your software, open a new terminal and run the
following,

$ rosrun tf view_frames

This will print you a pdf with the tree of frames. What do you see?

My guess is that you are not publishing the tf between the range camera and
the robot.

Gonçalo Cabrita
ISR University of Coimbra
Portugal

On Sat, Feb 5, 2011 at 4:05 PM, kadir <kadirfu@gmail.com> wrote:

>
> Hey guys,
>
> I was trying to obtain the pointcloud data from sr4k tof range camera
> transformed to the odom frame of pioneer 3dx platform.
>
> When I choose /base_link as the fixed frame in the global options tab of
> the
> rviz, there is no problem. But, as soon as I changed the fixed frame to
> /odom, I get the error as stated in the subject of this message.
>
> Pointcloud data is published with the frame_id of /swissranger_link. And, I
> guess, rviz knows how to visualize things in that frame with respect to the
> /odom frame.
>
> Any suggestions would be appreciated, and please let me know if you need to
> see tf tree, rxgraph and so on.
>
> Thanks in advance...
>
> -Kadir-
> --
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