For number 4, you probably do not have the correct frame specified for
either global_frame or robot_base_frame in
your global_costmap_params.yaml(see
http://www.ros.org/wiki/navigation/Tutorials/RobotSetup#Costmap_Configuration_.28local_costmap.29_.26_.28global_costmap.29).
 For ours we used this:
http://github.com/wjwwood/au-automow/blob/master/au_automow_common/2dnav_automow/global_costmap_params.yaml.
 I say this because I believe I ran into the same problem when we were first
setting up the navigation stuff.

Hope that helps,

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
William Woodall
Graduate Software Engineering
Auburn University
w@auburn.edu
wjwwood@gmail.com
256-345-9938
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~


On Sat, May 29, 2010 at 11:34 PM, Prasad Dixit <
prasad.dixit@fennecfoxtech.com> wrote:

> Hello all,
> I would like to know some basic difference between stage and rviz through
> following questions:-
> 1. If we my navigation stack is set so as to visualize and simulate then
> Can we replace stage by rviz ?
> 2. Can we have amcl, map, costmap2d - Global and Local and planner
> algorithms in place and see robot reactions in rviz?
> 3. Can we totally eliminate stage from use?
> 4. Also, i tried to load a static map in rviz. The initial grid is
> horizontally set in orbit view properly and map is getting loaded somewhere
> vertically which i am not able to move and see it properly. I am doing
> something wrong?
> thanks,
> - Prasad
>
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