[ros-users] gmapping errors
Rishi Bedi
rbedi100 at gmail.com
Tue Jul 20 17:32:56 UTC 2010
Ya, I did that.
It may have something to do with the p2os_teleop package that I am
using -- could they be interfering? I installed the teleop package
after gmapping worked for me last Friday... so that's probably it...
any ideas on interference between the two?
Thanks
Rishi
Rishi Bedi
rbedi100 at gmail.com
On Tue, Jul 20, 2010 at 12:30 PM, Brian Gerkey <gerkey at willowgarage.com> wrote:
> hi Rishi,
>
> I just ran through that tutorial, downloading the linked bag, and it
> works fine for me. Did you set the use_sim_time parameter (step 4)
> before starting gmapping (step 5)?
>
> brian.
>
> On Tue, Jul 20, 2010 at 8:08 AM, Rishi Bedi <rbedi100 at gmail.com> wrote:
>> Hi,
>> I'm trying to run the gmapping package, following the tutorial here:
>> http://www.ros.org/wiki/slam_gmapping/Tutorials/MappingFromLoggedData
>> .
>> I'm getting errors at a few points along the way, however -- when I
>> try to record my own bagfile from my Pioneer 2 (which I am
>> teleoperating using a joystick), I repeatedly get this error:
>> "[FATAL] [WallTime: 1279638142.894919030]: rosrecord::Record: could
>> not write to file. Check permissions and diskspace" My diskspace is
>> definitely enough -- what permissions is it alluding to?
>>
>> I then tried just using the bagfile linked to in the tutorial, but
>> gmapping outputs the following, repeatedly: "[ WARN] [WallTime:
>> 1279638187.366396181]: TF_OLD_DATA ignoring data from the past for
>> frame /base_link at time 126.2 according to authority
>> /play_1279638095646529424". Using rosbag play to play the bagfile
>> appears to be working, but it shows this:
>> "RUNNING] Bag Time: 35.500164 Duration: 0.900164 /
>> 1239670987.745222 " <-- it's counting by 1/10, so that looks too
>> big... it would take a while to count to that!
>>
>> Thanks,
>> Rishi
>>
>> Rishi Bedi
>> rbedi100 at gmail.com
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