Thanks,

the error was that I was trying to display the laser data in a incorrect
frame,...

Best regards..

2010/10/28 Tully Foote <tfoote@willowgarage.com>

> Hi Aaron,
> If you are not publishing tf messages you need to make sure the fixed_frame
> and target_frame in rviz are set to the frame in which you are publishing
> thes scans.  In the case of the 2nd tutorial you linked to it should be
> "laser_frame"
>
> Also in the LaserScan display there is an error field with information if
> it cannot display anything.  This should tell you why rviz cannot update the
> display.  If you're still having trouble please send that message in your
> reply.
>
> Tully
>
>
> On Thu, Oct 28, 2010 at 7:21 AM, Aaron Martinez Romero <
> aaronmartinezromero@gmail.com> wrote:
>
>> but...  can I display directly in rviz a "sensor_msgs/LaserScan" message
>> ??  or I need too the "/tf [tf/tfMessage]"
>>
>> because in the tutorial of
>> *
>>
>> http://www.ros.org/wiki/laser_pipeline/Tutorials/IntroductionToWorkingWithLaserScannerData#Visualizing_Your_Laser_Scan,
>> *
>>
>> I can display the data in rviz without problem (using laser.bag -->
>> http://vault.willowgarage.com/wgdata1/vol1/wiki_docs/laser_pipeline/laser.bag).
>>
>> But with the code of this example
>>    "*
>> http://www.ros.org/wiki/navigation/Tutorials/RobotSetup/Sensors#Writing_Code_to_Publish_a_LaserScan_Message
>> *",
>>
>> I have problems to display the fake data generated by this code.
>>
>> Why????
>>
>> Best regards.
>>
>>
>> 2010/10/27 Dan Lazewatsky <lazewatskyd@cse.wustl.edu>
>>
>>> There's a section in the tutorial "Introduction to Working With Laser
>>> Scanner Data" that covers this:
>>> http://www.ros.org/wiki/laser_pipeline/Tutorials/IntroductionToWorkingWithLaserScannerData#Visualizing_Your_Laser_Scan
>>>
>>> -Dan
>>>
>>> On Wed, Oct 27, 2010 at 9:51 AM, Aaron Martinez Romero <
>>> aaronmartinezromero@gmail.com> wrote:
>>>
>>>> Hello,
>>>>
>>>> I am with this example, and I want to show the fake data in rviz, but I
>>>> don't know how can do it.
>>>>
>>>> http://www.ros.org/wiki/navigation/Tutorials/RobotSetu<a href="p/S<http://www.ros.org/wiki/navigation/Tutorials/RobotSetup/Sensors>
>>>> ensors<http://www.ros.org/wiki/navigation/Tutorials/RobotSetup/Sensors>
>>>> <a href="
>>>>
>>>> I am trying display the data, because later I will try to write a new
>>>> driver for a old Laser hardware (PLS200-214)
>>>>
>>>> Thanks.
>>>> Best regards...
>>>> --
>>>> Atentamente,
>>>> Aarón Martínez Romero
>>>> Ingeniero en Informática
>>>> Tlf: 600 283 349
>>>> http://www.AaronMR.com
>>>>
>>>> _______________________________________________
>>>> ros-users mailing list
>>>> ros-users@code.ros.org
>>>> https://code.ros.org/mailman/listinfo/ros-users
>>>>
>>>>
>>>
>>> _______________________________________________
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>>> ros-users@code.ros.org
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>>>
>>>
>>
>>
>> --
>> Atentamente,
>> Aarón Martínez Romero
>> Ingeniero en Informática
>> Tlf: 600 283 349
>> http://www.AaronMR.com
>>
>> _______________________________________________
>> ros-users mailing list
>> ros-users@code.ros.org
>> https://code.ros.org/mailman/listinfo/ros-users
>>
>>
>
>
> --
> Tully Foote
> Systems Engineer
> Willow Garage, Inc.
> tfoote@willowgarage.com
> (650) 475-2827
>
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> ros-users@code.ros.org
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>
>


-- 
Atentamente,
Aarón Martínez Romero
Ingeniero en Informática
Tlf: 600 283 349
http://www.AaronMR.com