[ros-users] Problem displaying custom laser in RVIZ

[Lorenz Mösenlechner]

Hi,

I would try adding an intensity measurement.

Lorenz

> 
> 
> Dear all,
> 
> I have te following problem: I want to display a single point laser measurement
> in RVIZ using LaserScan message. Terefor I filled most of the laser message
> parameters manualle. The range was set by the laser
> (Leuze ODSL-30)
> 
> The message generated looks fine, but when i subscrive to the /scan RVIZ refused
> to display it.
> 
> When I use rostopic echo, the message looks like this
> 
> 
> =================================================================
> ---
> header:
> Â  seq: 144
> Â  stamp:
> Â Â Â  secs: 1290166306
> Â Â Â  nsecs: 126582347
> Â  frame_id: base_link
> angle_min: 0.0
> angle_max: 0.00999999977648
> angle_increment: 0.00999999977648
> time_increment: 0.10000000149
> scan_time: 0.10000000149
> range_min: 0.20000000298
> range_max: 30.0
> ranges: [3.4630000591278076]
> intensities: []
> ---
> header:
> Â  seq: 145
> Â  stamp:
> Â Â Â  secs: 1290166306
> Â Â Â  nsecs: 226820561
> Â  frame_id: base_link
> angle_min: 0.0
> angle_max: 0.00999999977648
> angle_increment: 0.00999999977648
> time_increment: 0.10000000149
> scan_time: 0.10000000149
> range_min: 0.20000000298
> range_max: 30.0
> ranges: [3.4619998931884766]
> intensities: []
> 
> =========================================================
> 
> Maybe the params angle_min: 0.0
> angle_max: 0.00999999977648
> angle_increment: 0.00999999977648
> time_increment: 0.10000000149
> scan_time: 0.10000000149
> 
> are wrong (because I have only one scan in contrast to the hokuyo which has
> multi scans per reading).
> 
> I though also to use the RANGE sensor message but there seems no way to display
> it in RVIZ as well.
> 
> Any Ideas?
> 
> Cheers,
> 
> Markus

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-- 
Lorenz Mösenlechner            | moesenle at in.tum.de
Technische Universität München | Boltzmannstr. 3
85748 Garching bei München     | Germany
http://ias.cs.tum.edu/         | Tel: +49 (89) 289-17750