map does not show up on RVIZ while using hector_slam
Hello everyone, i am using RPLIDAR A1 and hector_slam but so for there is no luck, RVIZ will start with nothing and no map in it. Here is the details: from this topic...
View Articletransformation the laser scan data with robot pose !!!!
hello guys, I want to simulate the bag data that I got from ROS in MATLAB. I separated the pose and range data from the bag file. and I wrote a script to plot the laser data and build a map (I assumed...
View Articlelaser scan topic
i install ros indigo desktop full and Turtlebot2 Ubuntu Package . when i do `$rostopic list` i cant find `/laser/scan` topic . there's something like additional installation or other name of laser scan...
View Articleturtlebot: costmap2d_node won't subscribe to scan topic
I am working on ros-kinetic and using turtlebot for simluation. Launching turtlebot using the command roslaunch turtlebot_gazebo turtlebot_world.launch publishes the laserscan to topic scan. But I am...
View ArticleWhy won't the /scan topic display rounded values?
Hello, I am a student at a university of applied sciences, working on a robot that uses the Hokuyo UBG-04LX-F01 LIDAR. The robot that I use runs on Ubuntu 12.0.4.5 with ROS Hydro Medusa. The LIDAR of...
View ArticleIssues with hector_mapping using lidar lite v3 on servo
I would like to use hector mapping to generate a map with a lidar lite v3 mounted on a servo motor panning 180 degrees back and forth. A node is publishing LaserScan data directly from the Arduino Mega...
View Articlelaser_assembler -> problems with ignore_laser_skew
Hi, I have a tilting laser scanner and i am converting the scans to a point cloud with the laser_assembler package. So far everything works fine except of the ignore_laser_skew. If I deactivate the...
View ArticleBuggy map and using move_base with cartographer
I'm publishing to the `/map` top with `cartographer`, howerver when I visualize my costmap in rviz, I get this: , which doesn't correspond with the...
View ArticleLMS1xx node outputs curved laser scan data
I am trying to use the lms1xx ROS driver in kinetic which I installed using:> sudo apt-get install ros-kinetic-lms1xx I am starting the LMS1xx_node using: > rosrun lms1xx LMS1xx_node The sensor...
View ArticleNo laser scan received
Hello, I know this question has been asked many times for single robot but i cannot figure it out for my multi-robot-system. Please Note: It is perfectly working for a single robot. But it is giving...
View ArticleReading data from the shifted laser, as if it was in the middle
I have algorithms that use raw data from laser [-pi/2;pi/2]. Earlier, the laser was in the middle of the robot. Now it has been moved closer to the left front edge and rotated by pi/4. What is the best...
View Article"Waiting for the map" when using map_server and rosbag
Hello, I'm currently doing the tutorial [teb_local_planner](http://wiki.ros.org/teb_local_planner/Tutorials) and now I'm trying to build a map with this...
View Articleis it possible to add to the gmapping-generated map obstacles using GPS...
i have an device that provides me GPS cordinates of ather boats, so i want to add them as obstacles in the gmapping map .
View ArticlePointcloud to laserscan launch file
I have a rgb-d camera and I want to convert the pointcloud to laserscan, in order to create a 2d map with google cartographer. When I launch cartographer with the pointcloud_to_laser I get warnings and...
View ArticleNot getting laser scan runing libgazebo_ros_gpu_laser plugin
Hello all, I have been following the tutorials in the book *Programming Robots with ROS* and I am on the part on page 306 where we create a simulation of the robots laser scanner in gazebo. My goal is...
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