[ros-users] Playback of bag files recorded with the split option

Markus Achtelik markus.achtelik at mavt.ethz.ch
Mon Sep 13 17:49:40 UTC 2010


Hi Tim,

it was a bit ago when we recorded that data. Is there any way/chance to
recover it? Moving to the stable release will definitely be one of the
next actions.

Thanks for your help!

Markus

On Mon, 2010-09-13 at 10:18 -0700, Tim Field wrote:
> Marcus,
> 
> 
> The 1.1.x versions of ROS are unstable development releases.  This is
> true of all stack releases with odd minor versions.
> 
> 
> The bug fix for this rosbag issue was released in 1.1.15.
> 
> 
> I recommend you use a stable distribution of ROS.
> 
> 
> Tim
> 
> On Mon, Sep 13, 2010 at 9:14 AM, Markus Achtelik
> <markus.achtelik at mavt.ethz.ch> wrote:
>         Hi Tim,
>         
>         it's version 1.1.12
>         
>         Thanks, Markus
>         
>         
>         
>         On Mon, 2010-09-13 at 08:21 -0700, Tim Field wrote:
>         > Hi Markus,
>         >
>         >
>         > Which version of ROS are you using?  You can run "rosversion
>         ros" to
>         > check.
>         >
>         >
>         > Tim
>         >
>         >
>         > On Mon, Sep 13, 2010 at 6:35 AM, Markus Achtelik
>         > <markus.achtelik at mavt.ethz.ch> wrote:
>         >         Hi all,
>         >
>         >         I recorded some data with rosbag record and the
>         split option.
>         >         Playing
>         >         back or rosbag info works perfectly for the first
>         file that
>         >         was
>         >         recorded. The remaining files give me the error:
>         >
>         >         ERROR bag unindexed: secondfile.bag.  Run rosbag
>         reindex.
>         >
>         >         After reindexing these files, rosbag info just gives
>         me
>         >         something like
>         >         this, instead of listing the topics etc:
>         >
>         >         path:    secondfile.bag
>         >         version: 2.0
>         >         size:    200.1 MB
>         >
>         >         How can I play back these files? From what I can
>         tell from the
>         >         size of
>         >         the first bagfile (mostly images) and number of
>         messages,
>         >         information
>         >         from rosbag info firstfile.bag just corresponds to
>         this
>         >         firstfile.bag.
>         >
>         >         I guess I just didn't get something really
>         simple ...
>         >
>         >
>         >         Thanks for the help!
>         >
>         >         Best, Markus
>         >
>         >         PS: firstfile.bag and secondfile.bag are just
>         examples, I kept
>         >         the
>         >         original filenames given by rosbag record
>         >
>         >
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