Hector in simulation using turtlebot
I'm using ros indigo and trying to properly use hactor_mapping and _slam with turtlebot in gazebo. I couldn't find any tutorials on how to do that. Is it possible or it works best with a real...
View Articlehector mapping with only odometry
Hi, How to use hector_mapping to produce maps using only odometry (no scan)? In gmapping it is doable by tuning some params. I want to compare the hector_mapping and gmapping for this case....
View ArticleHow to fine tune hector mapping
I'm trying to use RGB-D camera + hector_mapping to build occupancy map. I found that no matter in real world or gazebo world, hector_mapping will sometimes suddenly jump to another position and build...
View ArticleGetting a 2D matrix from nav_msg/OccupancyGrid
Hello there! I am trying to "extract" a 2D matrix from OccupancyGrid data, so that i can create some random points for a pathfinding algorithm i am working on for my University Thesis, but i cant seem...
View ArticleHector SLAM prerecorded map
Hello, I'm trying to use hector SLAM for odometry on my robot. It works fine when I record laser data to a bag file and play it back at 1/4 speed. However, when running in realtime on the robot it...
View ArticleThe hector_mapping and move_base can't work together ,but cartographer can.
Hi , all : I want to use hector_mapping and move_base to work together on the turtlebot which has a rplidar,but when I shart up move_base to get a path planning, I find move_base continuously print the...
View ArticleError in rviz while using hector mapping and RPLidar
I need some help solving the following error in rviz: No tf data. Actual error: Fixed Frame [map] does not exist. I am using ROS Kinetic on Ubuntu 16.04. Below is my mapping_default.launch code:
View Article"SearchDir angle change too large" kills hector_mapping
Hi, I've noticed that when sharp pose changes occur on my laser frame, the following error sometimes appears & kills hector_mapping: SearchDir angle change too large I was wondering: what exactly...
View Articlehector mapping before rplidar node?
First of all, thanks for your future answers. Why if I run the rplidar node before the hector_mapping and hector_geotiff launchers I get the error: **[ INFO] [1502821857.396404571]: lookupTransform...
View ArticleHow to use Hector_Slam using LiDAR ONLY
Hi, I have a LiDAR, publishing sensor_msgs/LaserScan data on the /scan topic, no odometer or IMU. The LiDAR orientation is fixed and parallel to the ground. I have no idea about how to use frames in...
View Articlehector map static map
Hello everyone, I'm new to the forum and to ROS. I'm trying to use hector_slam without it updating the map. The reason is I have loaded a static map via map_server, the map loads correctly but only...
View Articlehector mapping and naviagtion
Hi, I have a rplidar laser scanner and use rplidar driver to obtain my /scan topic. I use the hector mapping launch file to generate a map as I dont have an IMU, and sucessfully manage to create a map....
View Articlehector_mapping map issue
Hello! I use hector_mapping to build map using odometry and scan data. Everything is ok but when I rotate my robot after several rotates the map shifts like this.  and am trying to use it to get data from the...
View ArticleHector mapping laser scan limitation
I am running hector_slam package on ros indigo using urg04LX-UG01. No odometry used, only laser scan. Everything is fine, except the map appears to be incomplete. If the laser scanner does not detect...
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