[ros-users] Fake localization problem

[Tully Foote]

Dominik,
If you want to use odometry only you should be able to publish a zero static
transform from /odom to /map to replace localization.
http://www.ros.org/wiki/amcl#Published_Topics

Tully

On Mon, Oct 25, 2010 at 2:35 AM, Dominik Franěk <dominik.franek at gmail.com>wrote:

> Hi Bhaskara,
> yes, now I can see it. It really looks unsuitable for out of
> simulator. My reason was that I need to do some tests of odometry, so
> I wanted to bypass the localization and for reasons I still don't
> understand static tf publisher didn't do the job. Will keep trying :)
> Thanks for response.
> Dominik
>
> 2010/10/22 Bhaskara Marthi <bhaskara at willowgarage.com>:
> > Hi Dominik, fake_localization is meant for use in a simulator that
> publishes
> > base_pose_ground_truth (http://www.ros.org/wiki/fake_localization).  So
> it
> > won't work on a robot out of the box.  You would need to start the
> > fake_localization node with base_pose_ground_truth remapped to a topic of
> > type nav_msgs/Odometry that is being published on your robot.  Is there a
> > reason you want to use fake_localization?
> > - Bhaskara
> >
> > On Fri, Oct 22, 2010 at 4:44 AM, Dominik Franěk <
> dominik.franek at gmail.com>
> > wrote:
> >>
> >> Hi everyone!
> >>
> >> I have a curious and simple problem with fake_localization. All my
> >> navigaion stack runs great on my robot, with static map and amcl. But
> >> when I replace amcl node by fake_localization with identical frame
> >> settings, it reports
> >> Waiting on transform from /base_link to /map to become available
> >> before running costmap, tf error: Frame id /map does not exist!
> >> which doesn't make any sense as it should work just the same. Map
> >> server still starts fine.
> >> Where might be the problem?
> >>
> >> Thanks, Dominik
> >> _______________________________________________
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> >
> >
> >
> > --
> > Bhaskara Marthi
> > Research Scientist
> > Willow Garage Inc.
> > 650-475-2856
> >
> > _______________________________________________
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> > ros-users at code.ros.org
> > https://code.ros.org/mailman/listinfo/ros-users
> >
> >
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-- 
Tully Foote
Systems Engineer
Willow Garage, Inc.
tfoote at willowgarage.com
(650) 475-2827
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