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slam gmapping

Hello, I'm trying to build a map from a bag file. rosrun gmapping slam_gmapping [ WARN] [1298485439.195475816, 1297352013.562990207]: Message from [/play_1298485437842772645] has a non-fully-qualified...

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A more risk taking move_base

I am using turtlebot gazebo simulation. I launched the turtlebot_world, demo_amcl and demo_gmapping launch files. I am sending goal positions to the turtlebot using a custom node that sends the...

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Localization problem with gmapping and RPLidar

Hello ROS community, I'm working on a project which goal is to create an [autonomous mobile robot](http://geduino.blogspot.it/?zx=26b2e9d70329b947) running SLAM algorithm using gmapping. I'm using...

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Supported hardware for Hokuyo_node

Do [hokuyo_node](http://wiki.ros.org/hokuyo_node) supports [Hokuyo URG-04LX-UG01 Scanning Laser](http://www.robotshop.com/en/hokuyo-urg-04lx-ug01-scanning-laser-rangefinder.html), Can i use this node...

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Autonomous mapping an unknown environment with Turtlebot2?

I'm looking for a way to map out an unknown environment autonomously using a Turtlebot2. Right now, I use the gmapping_demo from the turtlebot_navigation package, rviz, and teleop to manually map out...

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Can't find robot footprint?

When I run gmapping_demo.launch for my turtlebot2, I get the error "You must specify at least three points for the robot footprint, reverting to previous footprint" even though my footprint should be...

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Gmapping in a complex environment.

I am using a turtlebot2 with an ASUS XTION laser scanner and I am trying to develop autonomous mapping functionality but I am running into a lot of issues with path planning. The robot often gets...

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Wrong dimensions in map obtained using GMapping?

Hi all, I have a map which I obtained using GMapping and now I am using it for navigation. The robot gets lost when the laser scan particles do not fall directly on the same wall on the map. In the...

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why does gmapping only return a map with 0 and 100 but no other values?

hello everyone I'm using slam gmapping to produce a map, but I've noticed that the output Occupancy Grid Map(which is broadcast to topic /map) contains only -1,0 and 100 for unknown, free and occupied...

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Navigation path is red in rviz

I am using a turtlebot 2 and am working on autonomous navigation. Whenever I am sending navigation goals in rviz, the path shows up as flashing red instead of green even though the robot is able to...

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Configure nav2d for autonomous mapping with Turtlebot2

This question is for people who have used the nav2d package with a Turtlebot2 for autonomous exploration and mapping. Right now I am trying to customize the nav2d_tutorials/tutorial3.launch file to...

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Map not received when using nav2d with gazebo

I'm trying to use nav2d to autonomously map out an environment in gazebo but I am unable to get the gmapping nav2d node "mapper" to publish a /map msg. First I launch the...

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How to stop gazebo publishing tf

Hi, all! Now I'm testing the node /robot_pose_ekf with gazebo simulator. And I have already let /gazebo publish IMU and odometry data to /robot_pose_ekf. Also, /robot_pose_ekf is connected to tf....

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Is there something wrong with this laser setup?

I'm trying to use gmapping in gazebo using [this](http://wiki.ros.org/turtlebot_gazebo/Tutorials/indigo/Make%20a%20map%20and%20navigate%20with%20it) tutorial but I'm getting an error for my local and...

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Costmap error for gmapping in gazebo

I'm trying to do the gmapping in gazebo tutorial found [here](http://wiki.ros.org/turtlebot_gazebo/Tutorials/indigo/Make%20a%20map%20and%20navigate%20with%20it) but I am getting an error with both my...

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Getting only the first snapshot of the scans with gmapping

Hi, I've gone through one that seems to be a shared problem, as the following links testify -...

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Odometry message errors

Hi! With examples I found online I made an odometry publisher that generates odometry data (for gmapping) from encoder ticks. But When the robot is going straight forward, the odometry data gives the...

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gmapping and rplidar

hi friends.... I will not play a sample bag file. I couldnt solve gmapping with rplidar how can ı build a map as best simple. Can you give me a launch file for simple create a map with rplidar. I have...

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nan in laser scan data

I'm trying to run gmapping on my turtlebot 2 but I always get the error "scan matching failed, using odometry" and the results are awful. I echoed the /scan topic and half of the laserscan data was...

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Scan matching failed, using odometry

Whenever I'm trying to navigate while using gmapping with my turtlebot2, I get the error "scan matching failed, using odometry" and as a result my local and global costmaps do not get published. In...

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