Create launcher for save_map
I wonder how is possible to create a launcher for saving a map after gmapping using a launcher. In my case I create two simultaneous maps. I created a launcher but it is giving the following error:...
View ArticleAmcl navigation using turtlebot [transformation error ]
I created a grid map using a turtlebot and after I wanted to navigate in that map I used the navigation stack Amcl but after I run it using the turtlebot navigation package I am getting this errors in...
View ArticleRPLIDAR A1 scan error while using rplidar_ros
I am getting the following error while using RPLIDAR A1 and rplidar_ros package on Ubuntu 16.04 and ROS Kinetic. When I use `roslaunch rplidar_ros test_rplidar.launch` I get: Scan mode `Sensitivity'...
View Articleclear the map built by gmapping or restart gmapping by program
I m trying to clear the map previously built by gmapping to build another place's map. I want to clear the map or restart the gmmaping node by computer programs, not manually. How can the map be...
View Articlegmapping: disable TF publishing
Hi, I want to use an `ukf_robot_localization` to fuse the pose (map -> odom) from gmapping, AMCL and another not continuous pose source (not a GPS). My problem is that the gmapping node broadcasts...
View Articleturtlebot_world.launch and gmapping_demo.launch cannot simultaneously run?
Before this gets marked as a duplicate of http://answers.gazebosim.org/question/4153/gazebo-crashes-immediately-using-roslaunch-after-installing-gazebo-ros-packages/, I tried everything in that...
View ArticleHow to use GMapping
Hey everyone, I'm honestly surprised I have not been able to find a similar question anywhere. I am just getting started with ROS and I would like to start using gmapping for SLAM. The robot I am using...
View ArticleGazebo for two launch files (turtlebot_world.launch and gmapping_demo.launch)...
Before this gets marked as a duplicate of http://answers.gazebosim.org/question/4153/gazebo-crashes-immediately-using-roslaunch-after-installing-gazebo-ros-packages/, I tried everything in that...
View ArticleIs rplidar enough to use gmapping?
Hello, I am new to ROS. Excuse me if this question sounds trivial. I am using rplidar A1 to create a map of the environment using gmapping. I have recorded the laserscan in /scan topic into a bag file...
View ArticleGmapping - does not draws obstacles.
Hello I am trying to create map of my gazebo world and visualize it on RViz. But gmapping (gmapping.launch) does not draws obstacles in my world. Any idea why?  with the rosbag provided in the tutorial. Here is the map it produces: ![image...
View Articlegmapping ros melodic error
The error occur while trying to launch slam_gmapping node ? Is there any suggestions? Thanks ERROR: cannot launch node of type [gmapping/slam_gmapping]: gmapping ROS path [0]=/opt/ros/melodic/share/ros...
View ArticleGmapping produces false obstacles in the map at periodic intervals.
I'm using a Summit-X robot with ROS Indigo and Ubuntu 14.04. With gmapping (slam_gmapping) I map the area the robot has to navigate using a Hokuyo laser range finder. Whenever the robot moves, the...
View Articlehusky SLAM demo produces bad map
When I run the Husky gmapping/SLAM [demo](http://wiki.ros.org/husky_navigation/Tutorials/Husky%20Gmapping%20Demo), the resulting map is terrible. (Would upload picture but it seems I don't have enough...
View ArticleGmapping in rviz doesn't update correctly
I'm running the gmapping node and a robot with lidar sensor and imu sensor. This is what my frame tree look like  When I launch rviz and add the...
View ArticleWhat robot should I use for SLAM?
I am in algorithm development and I just need a robot to test on in Gazebo simulation. I have tried several robots I found online and none seem to work quite right, so I am looking for advice about a...
View ArticleHow to generate 3d image from a single 2d image using backprojection of pixels
I have a 2d binary image of segmented lanes i want to create a point cloud of this image. I do not understand the math of using a pinhole camera model to pixel back projection in 3d. Can you please...
View ArticleSLAM algorithm inside a pipe
Hi, I'm trying to implement SLAM algorithm inside a pipe. I tried with first to create the map inside the pipe but due to bad odometry data, the map ends up really bad. Could you advise how to improve...
View Articlescaning error for Laser Scan Matcher
Hello, I am using ZED camera and the wheel odometry, fused together with robot_localization. My code uses laser_scan_matcher with gmapping to build the map of the environment. I am using...
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