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I am trying to run a LiDar taken from the Neato XV-11 vacuum cleaner on ROS nad amd using RVIZ to visualize the data coming from the sensor. However, I ran into the problem that RVIZ was not receiving and MAP data to display. I consulted the site and As per the video tutorial under map, I found that I did not have any topics being displayed. I tried to enter the topic manually but not RVIZ will not initialize and I am receiving the following error.

[ERROR] [1338754771.604753719]: Caught exception while loading: Character [ ] at element [3] is not valid in Graph Resource Name [map (nav_msgs/OccupancyGrid)]. Valid characters are a-z, A-Z, 0-9, / and _.

Kindly suggest what when wrong and what can be done regarding the same.


Originally posted by rzv0004 on ROS Answers with karma: 1 on 2012-06-03

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Seems to me you placed a space in map (nav_msgs/OccupancyGrid) which is not valid.

Remove that space in ~/.rviz/display_config or ~/.rviz/config and start rviz.

Previously:


Originally posted by felix k with karma: 1650 on 2012-06-04

This answer was ACCEPTED on the original site

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