Error when running slam_gmapping tutorial
I followed this tutorial: http://wiki.ros.org/slam_gmapping/Tutorials/MappingFromLoggedData I used the provided bag file to test. When playing the bag file back I keep getting a warning message from...
View ArticleHow do you add new frames to the tf tree of a Jackal robot?
I have a Jackal robot that is running ubuntu 14.04 with ROS indigo installed. I have attached a Hokuyo UTM 30lx laser to the jackal robot so I am trying to modify the jackal.urdf.xacro file to include...
View ArticleOdometry for a holonomic robot with 3 wheels
Hi, Considering a mobile base robot with 3 omni-directional wheels, is there a ROS package that would convert motor encoder position to an odometry message (pose and twist) to feed to the navigation...
View ArticleNo transform from [robot0/robot0/map] to [world]
Hey everyone I was trying to add a fixed "World" frame to add my separate TF trees (robot/map -> robot/odom -> robot/base_link) using a static transform publisher, when I came across this...
View ArticleHow do you integrate IMU data with odom data generated from Gazebo Skid Steer...
I have gmapping working with a skid steer robot while utilizing the Gazebo skid steer plugin to actuate and control my robot. I am attempting to add an IMU and fuse the data from that sensor with the...
View ArticleProblem creating a map with gmapping
I added a laser scanner to a custom robot model, but when I ran the the gmap node. The robot was not mapping the environment. The warnings I got when I ran my launch file are : Timed out waiting for...
View ArticleGmapping with V-REP
Hello, I'm doing a course project whose goal is to build a SLAM simulation with ROS and V-REP. I'm new to ROS and V-REP and I'd like some help from you guys. Here is what I did: 1. I created a scene...
View ArticleGMapping with dynamic objects and occupancy updates
Hi Everyone, I am using GMapping as my mapping package using a MRS6124 (I have a node to convert to laserscan). My problem is that GMapping doesn't update an obstacles location on the map when the...
View ArticleHow to load a map in the SLAM for the resumption of the SLAM in uncharted areas
On the first day, using SLAM, I create a corridor map and save it via map_saver. On the second day, I need to load the map into the SLAM and continue creating the map in the unexplored rooms. If I...
View ArticleAutomatic generation of map of a world
I'm new to ros and I`m working on turtlebot to understand things clearly. I know we can use the gmapping module with a keyboard/joystick as operator but let's say I have lot of maps and I do not want...
View ArticleROSSharp RVIZ Odometry Issue
Hello together, I am facing following problem: The robot in RVIZ does not move accordingly to the behavior in Unity, I am using ROSSharp with Unity and ROS is running on a Ubuntu VM. ROS Distribution...
View ArticleWhat do the colors in gmapping mean?
I'm pretty new to ROS and I've been trying to do gmapping for turtlebot2 and turtlebot3 on Ubuntu 16.04 ROS-kinetic. I have been successful, however I've been trying to figure what the different colors...
View ArticleError launching Gmapping node on ROS
Hi, I am using ROS kinetic on ubuntu 16 and have installed the binaries for openslam and slam_gmapping using the command `sudo apt-get install ros-kinetic-slam-gmapping and sudo apt-get install...
View Articlegmapping cannot create map
Ubuntu16.04LTS & ROS Kinetic got issues like this [ WARN] [1544758709.859826979]: MessageFilter [target=odom ]: Dropped 100.00% of messages so far. Please turn the [ros.gmapping.message_notifier]...
View ArticleHelp with Localization Algorithm
Hello, I've been working on creating a simulation of an autonomous robot and I'm very new to ROS. Till now I've used Gmapping algorithm which successfully generates a 2D map now I need Localization...
View ArticleHow to use depthimage_to_laserscan package to create map?
I am running rosrun depthimage_to_laserscan depthimage_to_laserscan and the scan topic is published and when I rosbag record -o /scan /tf the scan topic is not been recorded and the map is not...
View Articleslam_gmapping Laser is mounted upwards
Hello friends, I am trying to run rosrun gmapping slam_gmapping and I am facing with this result . [ INFO] [1546503887.324696498]: Laser is mounted upwards. Error in...
View ArticleSLAM Gmapping map to odom remapping error
Hello, I am trying to perform slam_gmapping for my project, and using filtered odometry obtained using ekf. However, the tf_tree shows that map->odom (this is for slam_gmapping), and second side of...
View ArticlePoor quality maps produced from odometry based slam algorithms tested in real...
We are currently testing several slam algorithms in a real TurtleBot(ROS Kinetic). Despite the fact that everything seems to be working fine on TurtleBot we have come across a problem on the maps...
View Articlemap_saver for different map topics
Hey there. I am trying to figure out how is possible to use rosrun map_server map_saver -f name_of_map in order to save maps simultaneously made by different gmapping nodes, that is, how to save maps...
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