how to setup gmapping parameters
Two parameters of gmapping are "map_frame" and "odom_frame". My robotic did not publish a "map" frame. My /tf is like odom->base_link-> 1)laser, 2)IMU Can I use my "odom" frame for both...
View Article2D SLAM using slam_gmapping tutorial
Hi everyone, I'm working in ROS project using the kinectsensor for slam 2D. First I start to run roslaunch openni_launch openni.launch for using the kinect sensor and after that I transform the data in...
View ArticleSlam_Gamapping: No Map recived
Hello everyone, I've got some problems with the slam_gmapping. First of all, i want to use a Kinect to generate a Map from that data for my robots navigation stack. And navigate in that word/map...
View ArticleMultiple Turtlebot3 Gmapping error
Hello, I am trying to modify the multi_turtlebot3 files to extend it to three turtlebots. I have successfully launched and able to control 5 bots after editing the multi_turtlebot3.launch file. However...
View Articlebridging the gap between two tf trees
Hello! I am attempting to run a swarm of turtlebot3s from my Ubuntu16.02. I have added namespaces and tf_prefix to relevant .launch files. It seems as though no matter what I change, I can't seem to...
View ArticleError of a map made by gmapping
I'm trying to run a waffle pi along a path of 60cm width. During the test, I noticed that there is difference between a map made by gmapping and local map made during navigation. Please see the...
View Articlegmapping with multiple lidars
we have used a single lidar with slam-gmapping but now we want to extend this with multiple lidars (around 4 sick lidars). is there anyway to maybe merge the data together and continue using...
View ArticleLaserScan Message vs MultiEchoLaserScan Message
Hi I want to compare cartographer and gmapping. Gmapping uses LaserScan Message and cartographer uses MultiEchoLaserScan Message for Lidar data. What is difference between them?
View ArticleWhich line extraction algorithms are used in gmapping and cartographer packages?
I was wondering which line extraction algorithms are used in gmapping and cartographer packages? I couldn't find this information on the ROS wiki websites. Some of the possible options are -...
View ArticleNavigation influences gmpping?
hey, I try to run the navigation stack and gmapping on my robot. the Robot should be able to navigate in to "free space" and make a map of the environment. Everything is fine, until i give the first...
View ArticleROS Gmapping multiple stories
Is it possible to using gmapping to map multiple vertical floors in the same building? Since the floors will be directly over the top of each other I'm assuming this wont work. I merely want to show a...
View ArticleWhere does turtlebot3_core define odom and base_footprint names?
Hello! I am attempting to run slam gmapping for 2 robots. I am having a problem where the transform trees are conjoining instead of there being 2 separate trees. **I have already included namespaces...
View ArticleAdd extra information to a map created by Gmapping
Dear all, I would like to add an extra information to a map created by gmapping. In fact, in addition to 2d coordinates and the Occoupancy Grid (-1: Unknow 0: Free 100: Occupied) of each cell, I wish...
View Articlei already build a map(gmapping) and amcl localization using (...
i want create a completely autonomous robot if you can help with some tuto or links thanks :) Edit: i can build a map and localize i want to star navigate
View ArticleHow to make move_base more stable?
I'm using move_base with costmap_2d and gmapping to navigate a jackal robot. It's motion is somewhat erratic at times and it takes the long way round sometimes when rotating in place. What parameters...
View Articlebuilding open_gmapping from source on melodic/ubuntu 18.04
Hello, The short version of my question is: How can I get gmapping running on Ubuntu 18. I have been trying for a few days to get gmapping (http://wiki.ros.org/gmapping) running on my system (Ubuntu...
View ArticleInterpetting a stream of cmd_vels
Investigating weird observed behavior of my TurtleBot3 (previous question: #q300209) I monitored the `cmd_vel` topic during the observed behavior. The conditions are as follows: * turtlebot3 running...
View ArticleHow to generate a new map from gmapping ?
Hi all, I want to create a new map according to the data from the map generated by the gmapping but according to the robot position and orientation and other specifications, I'm going to explain...
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 ArticleHow to use Benewake CE-30C Solid State 3D Lidar with ROS for getting point...
I have a benewake CE-30C Lidar. [Link](http://www.benewake.com/en/ce30.html) I can see how to interface Rp-lidar or Velodyne Lidars, but I can't find much support for this. Can somebody guide me as to...
View Article