[ros-users] Problem displaying custom laser in RVIZ

[Markus Eich]

Thank you,

 

but this did not work either. If I use a normal hokuyo, without intensities it
works fine. I tink the problem is that it only has one reading and this collides
with the min_angle, max_angle and scan_time, somehow internally.

 


 

 

"Lorenz Mösenlechner" <moesenle at in.tum.de> hat am 19. November 2010 um 13:41
geschrieben:

> 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
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