Thanks Blaise, it does sound simple now that you mention it!

I read about it when I was going thru the tf documentation and completely forgot about it.

Gonçalo Cabrita
ISR - University of Coimbra
Portugal

On Sep 8, 2010, at 7:46 PM, Blaise Gassend wrote:

> I think that a tf_prefix is what you are looking for.
> 
> 2010/9/8 Gonçalo Cabrita <goncabrita@gmail.com>:
>> Hi everyone!
>> I'm working with multiple robots and I'm using the wifi_comm node we
>> developed here at the University to communicate between robots and with a
>> laptop running rviz.
>> Each robot is sending the following topics to the laptop running rviz...
>> /move_base/local_costmap/robot_footprint
>> /move_base/local_costmap/obstacles
>> /move_base/local_costmap/inflated_obstacles
>> /move_base/NavfnROS/plan
>> The idea is to be able to see the whereabouts of each robot on the map,
>> however what we are trying to do is not possible because of tf since rviz
>> will not be able to access the tf frames in the headers of the msgs being
>> shared. Is there a way to solve this?
>> Thanks for the help in advance,
>> Gonçalo Cabrita
>> ISR - University of Coimbra
>> Portugal
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>> ros-users@code.ros.org
>> https://code.ros.org/mailman/listinfo/ros-users
>> 
>> 
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