Questions tagged [gmapping]

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I am trying to run slam_gmapping on a seperate device as my sensor nodes (robot), I can subscribe to the topics, but my published map is empty?

I am new to ROS and I am working on a project for school. I am using the HiWonder JetAuto (based on the Jetson Nano) to run my sensor nodes. Specifically the RPLidar A1, Astra Camera Pro Plus, IMU, ...
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ROS topics and Rviz not working for LiDAR gmapping (/map)

I have a Raspberry Pi 4B with Ubuntu 20.04 and ROS Noetic 1.16.0 and I'm trying to use Gmapping with the /map topping with my LiDAR (an EAI YDLIDAR X4 with its driver, I think Radar_Con_V1.3.5.). I ...
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Gmapping Map and Scan Misalignment Issue with Ackermann Robot

I’m encountering an issue with gmapping in ROS where the generated map visually looks good, but when I use it as an occupancy grid with the robot’s actual location, the scan data does not align ...
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ROS/ROS2 mapping and path following with skid-steering robot and Velodyne 3D laser

I built a skid-steering robot and I would like to implement a path-following application. I would like to use the Velodyne to create the map and then specify a path on it to be followed by the robot. ...
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ROS Window Gmapping Install

Is there a way to install gmapping on ros windows? It doesn't seem to be in the chocolatey package list. I also tried to run catkin_make myself, but a ninja error occurred. ============================...
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ROS Raspberry Pi <-> PC Communication error

I'm asking this question because I'm trying to get LiDAR sensor values from a home-made robot using a Raspberry Pi and run SLAM on a PC, but I'm having trouble running it. Raspberry Pi and PC are ...
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could gmapping pkg work in UWSim?

Hey guys,I am trying to do path planning using UWSim + RViz.And now there's something wrong with mapping.I followed some tutorials which is implemented by Gazebo+RViz and I also get the necessary ...
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What is the purpose of splitting SLAM odom and EKF odom frames in waypoint_nav?

I have a robot somewhat similar to the clearpath husky . In their gmapping launch file, they have their odom frame set to 'odom_gmapping'. config shown here: ...
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How to make ira_laser_tools work with AMCL/GMCL and GMapping?

I am currently on ROS Noetic Ubuntu 20.04 LTS. I am not doing this in simulation, although I believe you will run into the same problem if done in simulation. The problem is that GMapping or AMCL/GMCL ...
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How to change number of particles in gmapping package?

I would like to ask is this is the correct coding to change the number of particles of the gmapping package in launch file? ...
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dynamic gmapping in ROS

it is a general question. Gmapping seems to be used only for creating a map of the static environment. Once created, it doesn't account for any changes - you add a new object, but it's being ignored ...
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No Map Received in Rviz while trying out gmapping

Hi! Newbie here. I was trying to run gmapping on our own model but I can't seem to solve this problem in rviz, it says no map received. My global fixed frame is odom and map is subscribed to /map ...
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slam_gmapping Message Filter dropping message with dynamic trasform

I'm using a fork of slam_gmapping package for ROS2: https://github.com/Project-MANAS/slam_gmapping As we all know, it requires the odometry tf transformation. Specifically, it requires the following ...
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Can odometry be calculated with LaserScan alone?

I am building a robot and implementing autonomous navigation using gmapping, amcl, and move_base. From my understanding the amcl package compares the map to lidar data (sensor_msgs/LaserScan) to ...
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Transform time issue (gmapping & stage)

Hello, I am running Ubuntu 20.04 (kernel 5.11.0) on a x64 AMD Dell Inspiron. I use ROS release Noetic with the following relevant package versions: ...
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Simulating cleaning map in ROS

I am trying to simulate a roomba using ROS. For planning the path and to figure out what area to clean next, I would like to maintain a map where the known cells are the ones visited by the robot and ...
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map / navigate on a different axis / plane

Hello everyone, first of all I would like to thank you for such a great forum, it has helped me solve many issues in the past! I have questions that could be caused by my luck of understanding how the ...
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sensor_msgs/LaserScan.msg ==> range_max should be discarded

Hi all, I have been dealing with slam_gmapping package and I have reached good results so far.(I created my map by the package) But I have a question about sensor_msgs/LaserScan.msg specifically. For ...
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Mapping by gmapping isn't correct

Hi, I'm doing the mapping process by gmapping. At the beginning, my robot can recognize a wall very well, but when i spin the robot and face into empty space, it suddenly appears a line on the map in ...
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Using multiple laser scans for gmapping

Hi, I'm trying to do the SLAM mapping with gmapping on my robot, which has 2 lasers on it, in the font and in the back of the robot. So how can I use 2 laser scans for gmapping, since gmapping only ...
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Robot jumps after the initial estimate with gmapping

I have a gmapping SLAM method coupled with robot_localization to provide the map-odom, odom-base_footprint transformation respectively (ROS1). When I power up the system, the generated map is quite ...
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Does Localization has nothing to do with the range of laser?

Hello, I'm working with ROS kinetic in Ubuntu 16.04. I just made a map following the g-mapping, with Hokuyo's LiDAR of UBG-04LX-F01. And I wonder if the angle ranges when making the map can be ...
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apt-get vs git clone

Hello everyone Im new to ROS platform and im about to build my first real world robot using ROS. M question might sound bad or something but i have to ask since im only a beginner. which is the best ...
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2 answers
75 views

Occupancy grid not displaying in Rviz

I have a custom model which I created from my xacro files and I can move around using a teleop node. BUT I now want to map a virtual room and I added the AMCL and Gmapping nodes to my launch file but ...
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updating the map partially in a dynamic environment

Hello, I have generated map.pgm with gmapping using teleoperation and RPLidar, and I am ...
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Scan data stuck at origin point

Hello, I'm a relatively new ROS user trying to get a Clearpath HUSKY to create maps using a Hokuyo LIDAR. I'm using a headless Ubunto running ROS Kinetic. I'm am able to connect and drive the system ...
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[SOLVED] gmapping fails to build map

Hello everyone, I've been struggling on this one for a week now. I am using the husarion rosbot 2.0 on ros melodic and I'm trying to build a map while driving the robot around. I don't record a bag ...
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map does not update with respect to base_link

Hello guys, can someone tell me why the map is not updating with respect to the displacement in base_link? The map keeps building at one place, whereas I can see the laser data moving wrt base_link, ...
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1 answer
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Saving map with the path into map.pgm

I want to save the mapping path of the robot as it maps, by first visualizing the path on Rviz and then saving the poses into an array. I am planning to have the robot use this mapping path again and ...
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1 answer
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Turtlebot SLAM gmapping parameter

Hi, I am quite new to gmapping and I am seeking some advice regarding the gmapping parameter. So, I did a gmapping and the result (the map) is not quite good enough. As you can see in the attachment, ...
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slam gmapping for ROS Noetic

Hello, I wanted to know if the slam gmapping is available on ROS Noetic? I've tried doing: sudo apt-get install ros-noetic-gmapping And the terminal outputs: ...
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How to get the room dimensions from a map build using gmapping?

I have a map build using gmapping. It contains the PGM image and a yml file. This map is built for the tuttlebot3 house environment. Now, I want to get the size or the dimensions of each room in the ...
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Octomap package not saving the map

Hello, I'm using octomap package in Kinetic distro in combination with the gmapping package in order to perform 2D SLAM and build a 2D map and also a 3D map with Octomap. Both are working fine, the 3D ...
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How can I get the same map size for all SLAM algorithms?

Which TurtleBot3 you have? [x ] Waffle Which ROS is working with TurtleBot3? [ x] ROS 1 Kinetic Kame Which SBC(Single Board Computer) is working on TurtleBot3? [ x] Raspberry Pi 3 Which OS you ...
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How to implement autonomous navigation with Google Cartographer?

I am trying to implement autonomous navigation using 2 lasers and a depth camera. IMU and odometry data will also be available. Basically, I'd like to have the simulated robot spawned in some gazebo ...
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gmapping params width/height/resolution

Distro Kinetic SO Ubuntu 16.04 Hello, i am trying to create a tool for mapping for Windows/Android but i first need to unsderstand how mapping works. i have a launch file to start gmapping, i am ...
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Rviz Unstable Map Gmapping

Hi. I am trying to make a gmapping. I have a Rplidar. 16.04 Kinetic Kame. My Rviz map is unstable. How can I solve this problem https://www.youtube.com/watch?v=u96081BlgmA bringup.launch ...
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gmapping overrides map

Hey Guys, I need some help to create a map with gmapping. I use ROS Kinetic and a differential drive robot with a YDLidar X4. On the robot is a raspberry Pi 3 and a teensy for the motors. Gmapping is ...
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How to edit a map programmatically?

Hi, Situation: i am currently on Ubuntu, using ROS Melodic. I work with a self built robot, that has a laser scanner. With the gmapping package I create a map, that ...
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Set x,y goals and move the robot

I have a robot on mecanum wheels and I installed on it a sensor able to provide x,y,z coordinates of its position at 10Hz. Morever, I placed four beacons in the four corners of the room in order to ...
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1 answer
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Can I use a vertical laser on my robot?

I think I am in big robot doo-doo. Here is my "situation": I have been building a robot for the past 5 years or so, and one of the design decisions I made at the onset of the project was to ...
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gmapping Detected jump back in time of. Clearing TF buffer

Hi everyone I am running gmapping with my own bag (in which I drive turtlebot with turtlebot_telop node, drive the robot go around the simulation environment.) Then I start roscore, set use_sim_time ...
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1 answer
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how gmapping gather odom data?

Hi I am using stage_ros to simulation slam. The Gmapping works but I noticed that stage_ros is publishing "nav_msgs/Odometry" information under the topic /odom. While the gammping node is ...
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1 answer
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Adjusting Initial Position of /map Frame for Gazebo and Local Costmap

Hello everybody, this is my first question :) So, i just started using the husky_navigation package in order to simulate and navigate the Husky a200 in a field. I work on melodic. After I used ...
smarn's user avatar
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Differences GMapping ROS/ROS 2

Is gmapping in ROS 2 better than in ROS? Right now i'm using a Turtlebot3 that has the best support for ROS kinetic. But i find the Gmapping that comes out of the box pretty lackluster (Being ...
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Error viewing map in RVIZ

I have a map in one of my directories. I used the map server node to provide the map. But in rviz, when I set my fixed frame to: summit_xl_a_odom (which is the odom ...
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Getting deeper into map (Occupancy Grid)

I'm developing a navigation algorithm, for which I need to find out corners and walls present in the room. I've been playing around with turtlebot simulation. I've made a very simple rectangular room ...
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how to identity the grid center with saved map center?

I created the map using a gmapping, then save it, but I saw the center of the map doesn't identify with the center of the grid when I run it this command "...
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avoid /map topic replacement

I am running ROS Melodic on Ubuntu 18.04. I have been mapping an environment using Rviz and gmapping with Gazebo as simulator and saved the map in a folder. Now I want to load it back, so I run ...
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unable to run gmapping (couldn't find executable)

I am running Ubuntu 18.04, ROS Melodic. ROS root dir: /opt/ros/melodic/share, catkin_ws dir= /home/foo/catkin_ws I was trying ...
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