[ros-users] Fake localization problem

[Dominik Franěk]

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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