I know you can run gmapping node and specify an inverted laser:

    <node pkg="gmapping" type="slam_gmapping" name="slam_gmapping"
respawn="false" output="screen" >
        <param name="inverted_laser" value="true" />
    </node>


Anton

On Tue, Apr 13, 2010 at 5:51 AM, Jeff Rousseau <jrousseau@aptima.com> wrote:

> Hi
>
> Is there an easy way to invert the laser scan data of a hokuyo like
> there is with a SICK?  The sicktoolbox_wrapper node has an "inverted"
> parameter, but I didn't see a similar option on the hokuyo wiki page.
>
> I have a hokuyo mounted upside down and am not sure how to compensate
> for that (for use in the nav stack)
>
> Jeff
>
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