[ros-users] Problem displaying custom laser in RVIZ

[Markus Eich]

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:
  seq: 144
  stamp:
    secs: 1290166306
    nsecs: 126582347
  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:
  seq: 145
  stamp:
    secs: 1290166306
    nsecs: 226820561
  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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