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...
View ArticleA 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...
View ArticleLocalization 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...
View ArticleSupported 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...
View ArticleAutonomous 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...
View ArticleCan'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...
View ArticleGmapping 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...
View ArticleWrong 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...
View Articlewhy 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...
View ArticleNavigation 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...
View ArticleConfigure 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...
View ArticleMap 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...
View ArticleHow 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....
View ArticleIs 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...
View ArticleCostmap 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...
View ArticleGetting 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 -...
View ArticleOdometry 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...
View Articlegmapping 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...
View Articlenan 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...
View ArticleScan 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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