What kind of robot and laser are you using? I would guess that you're having trouble with fast rotations. Next time, you might try modifying the joystick control to produce a lower maximum rotational velocity, and to have a wider dead zone on the rotational axis.

On Jan 24, 2011 6:02 AM, "abhy" <abhy.12354@gmail.com> wrote:
>
> Hello,
>
> I know this question is not worth to ask, but just wanted to check by any
> chance someone has implemented scenario like below.
>
> What we observed with our robot is that, making map using joystick is little
> difficult since joystick is so much sensitive which makes improper map. So,
> we actually moved(pushed) robot from back by hands and guided it to build a
> map. This way it built very good map.
>
> We want to know if anybody has created map like this? :-) if so then, did
> you observe any problems further?
> Is this a right method to build a map?
>
> -Abhy
> --
> View this message in context: http://ros-users.122217.n3.nabble.com/Map-building-manually-tp2319875p2319875.html
> Sent from the ROS-Users mailing list archive at Nabble.com.
> _______________________________________________
> ros-users mailing list
> ros-users@code.ros.org
> https://code.ros.org/mailman/listinfo/ros-users