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Questions tagged [base-laser]

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How to interpret and use the values of the message type 'sensor_msgs/LaserScan'?

Hi, I am using the following package: stage_ros http://wiki.ros.org/stage_ros and the node stageros. I want to understand the topic published 'base_scan' that has a message type of 'sensor_msgs/...
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How to write a tf publisher for laser scanning

Hey, I got a question regarding the tf publisher. I try to visualize my Hokuyo laserdata in Rviz. I dont have a robot yet or something, the Hokuyo is just standing on the desk :) So I wrote a little ...
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Move_base error: Local costmap doesn't work (robot unable to do obstacle avoidance)

Hi! I am using Hydro on Ubuntu 12.04. I have tried the turtlebot_simulation tutorials and all went well. I am using Kobuki robot but I have changed the laser scanner input from the kinect to a laser. ...
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setting up a tf for SICK Laser Scanner PLS101-312

Hi, I am currently working with a 2d laser scanner (PLS101-312). There are no registered drivers available for this device in the ROS repositories. however, following this answer, I was able to find a ...
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static_transform_publisher base_link base_laser

hi everyone Is this line enough in order to use tf package for set a fixed relation between base_link and base_laser frames in my launch file? ...
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/scan topic subscribed to costmap_2d [new user]

Hi all, I have (sensor_msgs/LaserScan) and I want it subscribed to costmap_2d. Apparantly costmap_2d doesnot explicitly subscribe to sensors Reference. By checking API it seems Costmap2DROS is a ROS ...
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Save a map with Lidar

I follow this tutorial for save a map : http://wiki.ros.org/slam_gmapping/Tutorials/MappingFromLoggedData#record I create my own bag, and i see on rviz the Lidar data. But when I launch the command &...
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Common Configuration.yaml Nav stack help

I am in the process of configuring the navigation stack and for the common configuration yaml file, i don't exactly know what i should put for the frame name of the laser scanner. I am currently using ...
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Can't get laser_base data on a distant machine

Hello, I work with PR2 which runs on ubuntu 12.4 and ros Groovy. I am trying to get Hokuyo base laser data from a machine under ubuntu which is not the base station. I ran a robot start on an admin ...
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Stageros: cannot change z coordinate of base_link → base_laser tf

Hello all, for any reason I cannot put the laser of my robot at its real height in the Stage-simulated version. The maximum z I get is 0.15 m! No idea why. I have tried to resize the robot model, to ...
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how to solve the frame ID setting warning?

Do you have any idea ** to correct the following warning setting? [WARN] [1340092854.777455509]: Message from [/hokuyo] has a non-fully-qualified frame_id [laser]....
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transform base_link to base_laser,map,odom

I know the meaning of transform base_link to base_laser. But what is the meaning of transform base_link to map? What is the meaning of transform base_link to odom? Because I need the meaning to set ...
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