I'd recommend the demos in the move_base_stage package instead of the
2dnav_stage package.

To build the code:

rosmake move_base_stage

To run a demo:

roslaunch move_base_stage move_base_fake_localization_5cm.launch

This should bring up a navigation demo.

Hope this helps,

Eitan

On Thu, Mar 25, 2010 at 9:51 PM, Vu Hong Thuan <thuanvh@gmail.com> wrote:

> Hi all,
> I can't find any demo in interface graphic of ros.
> Are there demos in interface graphic of ros.
> Could you show me how to launch demos of package 2dnav_stage?
> Thanks.
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