Hi Tim,

   Thanks!  Reindexing the bagfiles worked like a charm.

regards,
-andrew

On Sun, Jun 6, 2010 at 4:33 PM, Tim Field <tfield@willowgarage.com> wrote:
> Hi Andrew,
>
> Bags from ROS 0.11 are the same format as Boxturtle bags
> (http://www.ros.org/wiki/Bags/Format).  You observing the same bug as Jordi
> is expected.
>
> The "latest" ROS release (http://www.ros.org/wiki/ROS/Releases) is currently
> ROS 1.1.7.  We will announce on this mailing list whenever a new version is
> released.  If you update to ROS 1.1.8 when it is released, then your problem
> should be fixed.
>
> An interim fix is to upgrade your bag to the new bag format.  One way to do
> that is by running:
>
> rosbag reindex mybag.bag
>
> Tim
>
> On Sun, Jun 6, 2010 at 11:33 AM, Andrew Harris <andrew.unit@gmail.com>
> wrote:
>>
>> Hi Tim,
>>
>>  I just installed "latest" ROS on an Ubuntu 9.10 machine yesterday
>> and I am getting the same error about a bad_alloc when using rosbag
>> play.  It seems that I start the bag playing fine, but as soon as I
>> try to connect a subscriber to the topic that is in the bag, rosbag
>> crashes with the bad_alloc.  Admittedly, the bags are from ROS 0.11.0.
>>
>> -andrew
>>
>> On Thu, Jun 3, 2010 at 9:40 PM, Tim Field <tfield@willowgarage.com> wrote:
>> > Hi Jordi,
>> >
>> > This appears to be a bug in ROS 1.1.7 with playing back Boxturtle bag
>> > files
>> > on 32-bit machines.
>> >
>> > ROS 1.1.8 is due to be released this week.  If you do update your ROS
>> > installation, please let me know if that fixes your error.
>> >
>> > Thanks,
>> > Tim
>> >
>> > On Mon, May 31, 2010 at 12:29 AM, Jordi Pages
>> > <jordi.pages@pal-robotics.com>
>> > wrote:
>> >>
>> >> Hi Vijay,
>> >>
>> >> I'm using Ubuntu 10.04 LTS and ROS v1.1.7 too. The launch file that I
>> >> use
>> >> is as follows:
>> >>
>> >> <launch>
>> >>   <node type="laser_scan_assembler" pkg="laser_assembler"
>> >> name="my_assembler">
>> >>     <remap from="scan" to="tilt_scan"/>
>> >>     <param name="max_scans" type="int" value="400" />
>> >>     <param name="fixed_frame" type="string" value="base_link" />
>> >>   </node>
>> >>   <node type="periodic_snapshotter" pkg="laser_assembler"
>> >> name="my_periodicSnapshotter"></node>
>> >> </launch>
>> >>
>> >> On Fri, May 28, 2010 at 9:17 PM, Vijay Pradeep
>> >> <vpradeep@willowgarage.com>
>> >> wrote:
>> >>>
>> >>> Hi Jordi,
>> >>>
>> >>> I just grabbed laser.bag
>> >>>
>> >>> (http://vault.willowgarage.com/wgdata1/vol1/wiki_docs/laser_pipeline/laser.bag)
>> >>> and played it back with the assembler running, and it seems to be
>> >>> working
>> >>> fine for me.
>> >>>
>> >>> The fact that rosbag is crashing makes it sound like its not a problem
>> >>> with the laser assembler.  I'm currently running ROS v1.1.7.  What
>> >>> version
>> >>> of ROS are you running?  Also, what OS are you running?
>> >>>
>> >>> You can find your ROS version by doing "roscd; cat CMakeLists.txt".
>> >>>
>> >>> Vijay
>> >>>
>> >>> On Fri, May 28, 2010 at 3:38 AM, Jordi Pages
>> >>> <jordi.pages@pal-robotics.com> wrote:
>> >>>>
>> >>>> In fact the old laser.bag file works fine after doing
>> >>>>
>> >>>> rosbag reindex laser.bag
>> >>>>
>> >>>> and running rosbag play according to your correction:
>> >>>>
>> >>>> rosbag play --clock laser.bag
>> >>>>
>> >>>>
>> >>>> On Fri, May 28, 2010 at 12:27 PM, Jordi Pages
>> >>>> <jordi.pages@pal-robotics.com> wrote:
>> >>>>>
>> >>>>> Hi Vijay, thanks for you help.
>> >>>>>
>> >>>>> I have tested the new bag file that you have uploaded and I obtain
>> >>>>> the
>> >>>>> following crash:
>> >>>>>
>> >>>>> rosbag play --clock laser.bag
>> >>>>> [ INFO] [1275042388.534141367]: Opening laser.bag
>> >>>>>
>> >>>>> Waiting 0.2 seconds after advertising topics... done.
>> >>>>>
>> >>>>> Hit space to toggle paused, or 's' to step.
>> >>>>> terminate called after throwing an instance of
>> >>>>> 'std::bad_alloc'41.431989
>> >>>>>   what():  std::bad_alloc
>> >>>>> Aborted
>> >>>>>
>> >>>>> it happens as soon as I launch the launch file:
>> >>>>>
>> >>>>> <launch>
>> >>>>>   <node type="laser_scan_assembler" pkg="laser_assembler"
>> >>>>> name="my_assembler">
>> >>>>>     <remap from="scan" to="tilt_scan"/>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>>     <param name="max_scans" type="int" value="400" />
>> >>>>>     <param name="fixed_frame" type="string" value="base_link" />
>> >>>>>   </node>
>> >>>>> </launch>
>> >>>>>
>> >>>>>
>> >>>>> On Fri, May 28, 2010 at 1:29 AM, Vijay Pradeep
>> >>>>> <vpradeep@willowgarage.com> wrote:
>> >>>>>>
>> >>>>>> Hi Jordi,
>> >>>>>>
>> >>>>>> The lines of code in question seem fine as is.  This loop is simply
>> >>>>>> stepping along the time history of scans until it finds a scan that
>> >>>>>> occurs
>> >>>>>> after the request begin time.  The next while loop in the function
>> >>>>>> then
>> >>>>>> continues stepping along, until it steps past the end of the
>> >>>>>> request.
>> >>>>>>
>> >>>>>> The tutorial was in fact broken.  I've uploaded a new laser.bag
>> >>>>>> file,
>> >>>>>> and updated the launch file snippets.
>> >>>>>>
>> >>>>>> Thank for reporting your troubles with this tutorial.  If you are
>> >>>>>> still running into problems, please let me know.
>> >>>>>>
>> >>>>>> Vijay
>> >>>>>>
>> >>>>>> On Thu, May 27, 2010 at 9:22 AM, Jordi Pages
>> >>>>>> <jordi.pages@pal-robotics.com> wrote:
>> >>>>>>>
>> >>>>>>> Hi all,
>> >>>>>>>
>> >>>>>>>    I am trying to follow the tutorial
>> >>>>>>> laser_assembler/tutorials/HowToAssembleLaserScans and I can't
>> >>>>>>> achieve
>> >>>>>>> assembling several laser scans in a unique cloud of points. I am
>> >>>>>>> using
>> >>>>>>> rosplay to publish pre-recorded data from the bag file laser.bag
>> >>>>>>> that can be
>> >>>>>>> downloaded from ros webpage. I have been adding trace messages in
>> >>>>>>> base_assembler.h and I have the sensation that in the following
>> >>>>>>> portion of
>> >>>>>>> code in assembleScans callback function
>> >>>>>>>
>> >>>>>>>   while ( i < scan_hist_.size() && scan_hist_[i].header.stamp <
>> >>>>>>> req.begin )
>> >>>>>>>   {
>> >>>>>>>     i++ ;
>> >>>>>>>   }
>> >>>>>>>
>> >>>>>>> the right part of the while condition should be instead
>> >>>>>>>
>> >>>>>>> scan_hist_[i].header.stamp >= req.begin
>> >>>>>>>
>> >>>>>>> otherwise I get that no points are assembled because both
>> >>>>>>> start_index
>> >>>>>>> and past_end_index have the same value and none of the laser scans
>> >>>>>>> are
>> >>>>>>> selected.
>> >>>>>>>
>> >>>>>>> Can anybody check that it is actually a bug? Am I not executing
>> >>>>>>> correctly the laser pipeline?
>> >>>>>>>
>> >>>>>>> Thanks in adavance
>> >>>>>>> --
>> >>>>>>> Jordi Pages, PhD
>> >>>>>>> Researcher
>> >>>>>>> Pal Robotics S.L.
>> >>>>>>>
>> >>>>>>> Tel: +34.93.414.53.47
>> >>>>>>> Fax: +34.93.209.11.09
>> >>>>>>> C/ Pujades 77-79 4º 4ª 08005 Barcelona, Spain.
>> >>>>>>> http://www.pal-robotics.com/
>> >>>>>>>
>> >>>>>>> AVISO DE CONFIDENCIALIDAD: Este mensaje y sus documentos adjuntos,
>> >>>>>>> pueden contener información privilegiada y/o confidencial que está
>> >>>>>>> dirigida
>> >>>>>>> exclusivamente a su destinatario.
>> >>>>>>> Si usted recibe este mensaje y no es el destinatario indicado, o
>> >>>>>>> el
>> >>>>>>> empleado encargado de su entrega a dicha persona, por favor,
>> >>>>>>> notifíquelo
>> >>>>>>> inmediatamente y remita el mensaje original a la dirección
>> >>>>>>> de correo electrónico indicada. Cualquier copia, uso o
>> >>>>>>> distribución
>> >>>>>>> no autorizados de esta comunicación queda estrictamente prohibida.
>> >>>>>>>
>> >>>>>>> CONFIDENTIALITY NOTICE: This e-mail and the accompanying
>> >>>>>>> document(s)
>> >>>>>>> may contain confidential information which is privileged and
>> >>>>>>> intended only
>> >>>>>>> for the individual or entity to whom they are addressed.  If you
>> >>>>>>> are not the
>> >>>>>>> intended recipient, you are hereby notified that any disclosure,
>> >>>>>>> copying,
>> >>>>>>> distribution or use of this e-mail and/or accompanying document(s)
>> >>>>>>> is
>> >>>>>>> strictly prohibited.  If you have received this e-mail in error,
>> >>>>>>> please
>> >>>>>>> immediately notify the sender at the above e-mail address.
>> >>>>>>>
>> >>>>>>>
>> >>>>>>>
>> >>>>>>>
>> >>>>>>> ------------------------------------------------------------------------------
>> >>>>>>>
>> >>>>>>>
>> >>>>>>> _______________________________________________
>> >>>>>>> ros-users mailing list
>> >>>>>>> ros-users@lists.sourceforge.net
>> >>>>>>> https://lists.sourceforge.net/lists/listinfo/ros-users
>> >>>>>>>
>> >>>>>>> _______________________________________________
>> >>>>>>> ros-users mailing list
>> >>>>>>> ros-users@code.ros.org
>> >>>>>>> https://code.ros.org/mailman/listinfo/ros-users
>> >>>>>>>
>> >>>>>>
>> >>>>>
>> >>>>>
>> >>>>>
>> >>>>> --
>> >>>>> Jordi Pages, PhD
>> >>>>> Researcher
>> >>>>> Pal Robotics S.L.
>> >>>>>
>> >>>>> Tel: +34.93.414.53.47
>> >>>>> Fax: +34.93.209.11.09
>> >>>>> C/ Pujades 77-79 4º 4ª 08005 Barcelona, Spain.
>> >>>>> http://www.pal-robotics.com/
>> >>>>>
>> >>>>> AVISO DE CONFIDENCIALIDAD: Este mensaje y sus documentos adjuntos,
>> >>>>> pueden contener información privilegiada y/o confidencial que está
>> >>>>> dirigida
>> >>>>> exclusivamente a su destinatario.
>> >>>>> Si usted recibe este mensaje y no es el destinatario indicado, o el
>> >>>>> empleado encargado de su entrega a dicha persona, por favor,
>> >>>>> notifíquelo
>> >>>>> inmediatamente y remita el mensaje original a la dirección
>> >>>>> de correo electrónico indicada. Cualquier copia, uso o distribución
>> >>>>> no
>> >>>>> autorizados de esta comunicación queda estrictamente prohibida.
>> >>>>>
>> >>>>> CONFIDENTIALITY NOTICE: This e-mail and the accompanying document(s)
>> >>>>> may contain confidential information which is privileged and
>> >>>>> intended only
>> >>>>> for the individual or entity to whom they are addressed.  If you are
>> >>>>> not the
>> >>>>> intended recipient, you are hereby notified that any disclosure,
>> >>>>> copying,
>> >>>>> distribution or use of this e-mail and/or accompanying document(s)
>> >>>>> is
>> >>>>> strictly prohibited.  If you have received this e-mail in error,
>> >>>>> please
>> >>>>> immediately notify the sender at the above e-mail address.
>> >>>>>
>> >>>>
>> >>>>
>> >>>>
>> >>>> --
>> >>>> Jordi Pages, PhD
>> >>>> Researcher
>> >>>> Pal Robotics S.L.
>> >>>>
>> >>>> Tel: +34.93.414.53.47
>> >>>> Fax: +34.93.209.11.09
>> >>>> C/ Pujades 77-79 4º 4ª 08005 Barcelona, Spain.
>> >>>> http://www.pal-robotics.com/
>> >>>>
>> >>>> AVISO DE CONFIDENCIALIDAD: Este mensaje y sus documentos adjuntos,
>> >>>> pueden contener información privilegiada y/o confidencial que está
>> >>>> dirigida
>> >>>> exclusivamente a su destinatario.
>> >>>> Si usted recibe este mensaje y no es el destinatario indicado, o el
>> >>>> empleado encargado de su entrega a dicha persona, por favor,
>> >>>> notifíquelo
>> >>>> inmediatamente y remita el mensaje original a la dirección
>> >>>> de correo electrónico indicada. Cualquier copia, uso o distribución
>> >>>> no
>> >>>> autorizados de esta comunicación queda estrictamente prohibida.
>> >>>>
>> >>>> CONFIDENTIALITY NOTICE: This e-mail and the accompanying document(s)
>> >>>> may
>> >>>> contain confidential information which is privileged and intended
>> >>>> only for
>> >>>> the individual or entity to whom they are addressed.  If you are not
>> >>>> the
>> >>>> intended recipient, you are hereby notified that any disclosure,
>> >>>> copying,
>> >>>> distribution or use of this e-mail and/or accompanying document(s) is
>> >>>> strictly prohibited.  If you have received this e-mail in error,
>> >>>> please
>> >>>> immediately notify the sender at the above e-mail address.
>> >>>>
>> >>>
>> >>
>> >>
>> >>
>> >> --
>> >> Jordi Pages, PhD
>> >> Researcher
>> >> Pal Robotics S.L.
>> >>
>> >> Tel: +34.93.414.53.47
>> >> Fax: +34.93.209.11.09
>> >> C/ Pujades 77-79 4º 4ª 08005 Barcelona, Spain.
>> >> http://www.pal-robotics.com/
>> >>
>> >> AVISO DE CONFIDENCIALIDAD: Este mensaje y sus documentos adjuntos,
>> >> pueden
>> >> contener información privilegiada y/o confidencial que está dirigida
>> >> exclusivamente a su destinatario.
>> >> Si usted recibe este mensaje y no es el destinatario indicado, o el
>> >> empleado encargado de su entrega a dicha persona, por favor,
>> >> notifíquelo
>> >> inmediatamente y remita el mensaje original a la dirección
>> >> de correo electrónico indicada. Cualquier copia, uso o distribución no
>> >> autorizados de esta comunicación queda estrictamente prohibida.
>> >>
>> >> CONFIDENTIALITY NOTICE: This e-mail and the accompanying document(s)
>> >> may
>> >> contain confidential information which is privileged and intended only
>> >> for
>> >> the individual or entity to whom they are addressed.  If you are not
>> >> the
>> >> intended recipient, you are hereby notified that any disclosure,
>> >> copying,
>> >> distribution or use of this e-mail and/or accompanying document(s) is
>> >> strictly prohibited.  If you have received this e-mail in error, please
>> >> immediately notify the sender at the above e-mail address.
>> >>
>> >>
>> >> _______________________________________________
>> >> ros-users mailing list
>> >> ros-users@code.ros.org
>> >> https://code.ros.org/mailman/listinfo/ros-users
>> >>
>> >
>> >
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>> >
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