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SLAM Toolbox with hilly terreins

is it possible to map hilly terrains with SLAM Toolbox, 2D LiDAR, IMU and the odometry provider by the robot itself? Or do I need to search for another algorithm? Or for mapping 3D environments I need ...
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is ROS2 Foxy still viable with Nav2?

I'm currently developing a 4 Wheel-ackerman robot that runs navigates through a cave system tunnel with a pre-loaded 2D-Map. This is a government research btw. I need to edit a behaviour tree that's ...
Addy Pete's user avatar
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ROS 2 Occupancy and Obstacle Mapping that uses robot footprint?

I am investigating obstacle and occupancy mapping using the seven IR intensity sensors of the Create3 robot. (The acceptable range of these sensors is from 0.150 to 0.4 meters.) Using slam-toolbox ...
Cyclical Obsessive's user avatar
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There was a problem with cartographer mapping with ros1

I'm trying to map one track using a cartographer using ROS1, but there was a continuous problem with the track being twisted track. The lidar used is Hokuyo UST-10LX. The map we're going to measure is ...
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Have robot(wheeled) the move to creates a 2d maps

Hi have robot(wheeled) the move to creates a 2d maps the robot has imu encoder and ultrasonic sensors and Arduino till now i only know how to to move the robot by pub | sub but I don't know what to ...
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creating the map with only Lidar

I am using, ROS Noetic + 20.04. Lidar hardware: rplidar_a3m1 I installed slam_toolbox ...
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1 answer
37 views

Navigation not update map

When i using this commend roslaunch turtlebot3_slam turtlebot3_slam.launch moving the robot will update the map but i using this commend roslaunch turtlebot3_navigation turtlebot3_navigation.launch ...
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1 answer
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Problem with generating the map

Hello there, I'm currently working on a three omni-wheel robot. After running hector_slam and navigating my robot slowly with the keyboard through the map I ended up with this. I'm wondering about the ...
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2 answers
264 views

Slam_toolbox message filter dropping message

Hi guys, I am trying to start mapping with slam_toolbox. (Ubuntu 18.04 with Eloquent) When starting the online async node (or sync, I tested both) this message gets spammed and no map is produced: <...
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1 answer
71 views

Creart Gazebo World based on map

Hi guys, I have the map data (pgm , yaml) created by a laser scan, now I am wondering if I can use this map data to creat a Gazebo Environment (World), I know I can edit an environment in Gazebo and ...
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1 answer
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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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advice for SLAM with 3D lidar

Hello. The project is running Ubuntu 16.04, with Kinetic on an Intel PC. Some background: I designed and built a robot, and was at the SLAM phase. The turtlebot tutorials (https://learn.turtlebot.com/)...
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1 answer
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Hector slam incremental mapping

I want to have hector slam loaded with a pre-saved map , but NOT for localization only (so can't go to AMCL) , it is for performing mapping and update the saved map with the new info found in the ...
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1 answer
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How does one obtain coordinantes from a map that was mapped by turtlebot in Rviz?

Is there a way to obtain coordinates from a map in Rviz? I tried using the code "rostopic echo /amcl_pose" to fnd its current position but that didnt work. Thats because a certain topic ...
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1 answer
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avoiding obstacles with IR and Ultrasonic sensor in addition to laser data

I have turtlebot3 with imu, LIDAR and ultrasonic/infrared sensors. I want to build a map autonomously, and then navigate on this map, avoid obstacles such as glass, mirrored metal chair legs. First ...
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1 answer
4 views

How can i use a pre loaded map in navigation stack?

I'm making a robot using RPi. I made a map using my hector_slam and rplidar on my laptop, so I have the pgm and yaml files (I was having some issue running hector_slam on RPi). How can I use it in the ...
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1 answer
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Question about laserscan and hector_slam mapping

Hello, I am using hector slam to build the map with original balgfile odometry data. The picture is the result with delayed laserscan data overlayed on map. I have set ...
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Tuning Gmapping Parameters or Alternative SLAM Algorithm

We built our own robotic platform with a home made LIDAR which is composed of four Time of Flight Sensors to get range information of the environment. For odometry information we are using optical ...
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1 answer
116 views

Real-time map generate on web like a Rviz

Hi there By the time I came to this question, I got a lot of great information on the internet, but the combination of 'rosbridge' and 'robot web tool' or 'ros2djs' is just displaying the generated ...
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1 answer
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Hector Mapping PointCloud2 Map

Good day everyone. I am using Ubuntu 18.04 with RO Melodic. Currently i am using hector mapping to obtain a map and view it in RVIZ. It subscribed to laser scan type topic and published an ...
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1 answer
52 views

Trouble exporting map from RTAB-Map

I am following this answer to export a .pgm and a .yaml from a database file generated using RTAB-map. But when I run rosrun ...
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1 answer
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Mapping from black and white images

Sometimes Lidar and RGB-D cameras are not necessary for some type of environments. Imagine that the factory has a specifically designated route for robots and this route is marked with yellow lines on ...
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1 answer
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Long-term autonomous navigation

I would like my autonomous robot to operate autonomously for long periods of time (e.g. several days or even weeks). So far, I have used the navigation stack for navigation and mapping. However, the ...
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1 answer
93 views

rviz: how to change reference frame for camera view

Hello, In old version of rviz, there was an attribute 'target frame' in Global options, it sets the reference frame for camera view. For example, if my robot is moving, the camera view will also move ...
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3 answers
57 views

Navigation outdoors, how?

Hello, PLEASE NOTE THIS IS NOT MY HOMEWORK, I AM JUST ASKING FOR DIRECTIONS I am quite new to ROS. I'm working on a research project where we have to move a mid-sized vehicle (1m^2) from point A to ...
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1 answer
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Can I build instant maps from kinect

Hi all ROS is really a great stranger to me. I am using Xbox360, ROS Kinetic, Ubuntu16.04 LTS I am doing a project in which the robot should produce the map as it goes through an unknown environment. ...
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1 answer
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hector quadrotor - amcl navigation

Hi all! I would like to implement the 2d navigation (fixed altitude) of amcl (like turtlebot3, that I used a lot) on a simulated quadrotor in Gazebo. The map is known (already built). How can I send ...
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1 answer
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Help Required! Changing Subscribed Topics of a Package

Greeting friends, I am currently working on a low cost method of mapping and I have decided to use ultrasonic to do it. Ultrasonic Range Package: https://github.com/sharvashish/...
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1 answer
9 views

How to build a map without controlling it "SLAM"

Hi ROS comunity. I'm trying to make a 2D map using navigation stack, gmapping, teleop_twist_keyboard, dephtimage_to_laserscan and freenect_launch. I'm having some troubles by the moment with that, but ...
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1 answer
55 views

How to make better maps using gmapping?

I'm rather new to ROS and using ROS with SLAM for the first time. I'm using a Hokuyo LIDAR and the gmapping package. My maps don't look very good. Specifically, there are two points I'm interested ...
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2 answers
11 views

Converting ultrasound range to a Laser Scan

In my end of studies project, I have to make a robot that should do mapping and localization using only ultrasounds sensor. So for doing this i should convert sensor_msgs/LaserScan message to ...
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1 answer
3 views

How to run actual robot code in Gazebo Simulation?

I am working on Guardian mobile robot. It has 2 ROS packages, one for real robot and other for Gazebo simulation. Mapping and navigation code is available in real robot package and not in Gazebo ...
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1 answer
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Guide to helping with mapping using laser data

Hi guys, does anyone here know about some kind of tutorial where I can learn how to use laser data to build a map. I've recently been working on an EKF SLAM algorithm project, but I have no idea how ...
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2 answers
60 views

How to deal with slow RPLidar scan rate on fast moving robot?

I'm relatively new to ROS, but I'm not new to Robotics. I'm trying to understand if and how hector_slam, gmapping and similar packages that are typically used for mapping and/or localization, deal ...
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1 answer
15 views

3D map with RTAB, SICK, IMU and Husky A200

I'm continuing my work on 3D map building as specified in my old topic. Finally, I mounted my sensors (IMU, SICK and RealSense R200) on a mobile robot (Husky A200) an I'm doing some acquisitions ...
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1 answer
8 views

Problems with gmapping and Husky A200

Hi to all, I'm trying to build a 2D map by using Husky A200, IMU and a SICK laser with ROS Indigo. The IMU sensor is places at the center of the robot while the SICK laser is placed 40 centimeters ...
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1 answer
5 views

no map recived using slam gmapping

I am trying to do slam gmapping using a quadrotor uses px4 as an autopilot in gazebo simulator. I am trying to follow the tutorial shown in the following link: http://wilselby.herokuapp.com/sample-...
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1 answer
6 views

Troubles with autonomouse mapping with nav2d and turtlebot 2 - StartExploration Error

Hi, I just started with ros and don't have much experience. I already installed the the nav2d package. Like in the tutorial described, I started the command rosservice call /StartMapping 3 and the ...
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1 answer
5 views

Can I localize with imprecise/noisy sonar sensor?

I have a small differential drive robot with a single sonar sensor mounted on the front of it. I also have an IMU and GPS on the vehicle. My goal is to navigate from one point to another in an unknown ...
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1 answer
10 views

Problem launching Gmapping with Kinect on Turtlebot

Hello, I am novice in ROS. I am trying to use Kinect 1517 in Turtlebot 2 for map building. I follow the tutorial on http://wiki.ros.org/turtlebot_navigation/Tutorials/indigo/Build%20a%20map%20with%...
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1 answer
3 views

Hector_slam and robot_localization

Hi, I am trying to fuse my hokuyo urg laser scan with my IMU data and use in hector_slam. Currently hector_slam takes in the hokuyo laser scan data and outputs it to /poseupdate then I combine that ...
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1 answer
3 views

Reading a bag file with hector slam package

I am using a neato XV-11 lidar and I am able to record a bag file. However when I run the launch file in this tutorial http://wiki.ros.org/hector_slam/Tutorials/MappingUsingLoggedData with my bag file ...
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1 answer
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Nav2d with Turtlebot failing to create map

Hello everyone! Im trying to use nav2d package with turtlebot and hokuyo laser to map an unknown room. I think I've all well conected, as you can see on my rqt_graph: image description http://i66....
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1 answer
15 views

Need help with map_saver

Hey, I'm a beginner to ros so I apologize if this is a dumb question, but I have been wanting to use the map_server package to save an OccupancyGrid. I found a tutorial for using map_saver but it was ...
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1 answer
17 views

Hector Slam Generated Map Does Not Appear in RVIZ

Hi, I am trying to do a Hector Slam using the RPLidar by RoboPeak. I am not using any robot for now. I am using the RPLidar connected to my laptop. In the future I will use it on a UAV. I am using ...
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1 answer
65 views

rtabmap_ros + Kinect = 2D map. How to? (newbie)

Hi all, as the title suggests, I need help regarding RGB-D SLAM map creation (using RTAB-Map) -- apologies in advance if I get some terms wrong: TL;DR Version: I have a Kinect and ROS Indigo in Ubuntu ...
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1 answer
1 view

Can I use hector_slam only with Sick TIM551

Hi everyone, I will use only a laser scanner from SICK TIM551 to build a map. Like this. Maybe lead by hand. image description http://answers.ros.org/upfiles/13535404469074751.png I choose the hector ...
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1 answer
2 views

no map receive, Gmappping with Velodyne HDL-32E

Hi All!! I really need your help! I am trying to make a map using “Gmapping” package, however I could not receive any map data from it. To make 3D scan data to 2D, I use but_velodyne_proc, then /odom ...
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1 answer
8 views

map_server does not load map

Hi everyone, we are trying to run a stage simulation for our robot. So far we have already tested a simulation of our lab map (generated with gmapping and a sick ...
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1 answer
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slam_gmapping odometry tf already published

Hey, I'm running my robot with a laser scanner and wheel odometry and the navigation stack. I already built a map from logged data and now I want to build it online. So I start my launch file for my ...
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