On Thu, Nov 4, 2010 at 7:45 AM, ian_wk <i2rshuttle@gmail.com> wrote:
> I am getting a  frequency of 40+ Hz from my amcl node.
> --> rosrun tf view_frames
>
> /map --> /odom
> The average rate is 40.205 Hz.
>
> Is this normal and what is the effect of high/low frequency?
> Any way to change it?

hi Ian_wk,

amcl is clocked off the laser data that it receives; new transform
data is published on receipt of each laser message.  So I would guess
that you're using a Hokuyo TOP-URG, running at 40Hz.

If you'd like a way to set the publication frequency, open a ticket.

	brian.