Using gmapping generated map on Stage
Hi, I searched for a guide on how to use a map generated with gmapping on Stage but couldn't find anything (weird). I generated a map with a real robot using gmapping and as result I got a pgm file and...
View Articlegmapping setup problem
Hi, I'm trying to set up gampping at the moment as a precursor to navigation. From looking at this forum it looks like this is a common issue ;-/ I've not figured out where I've gone wrong yet - hence...
View Articlegmapping localization information
Hello ROS community, Since `gmapping` is a SLAM algorithm, I would like to use both the map and the localization being computed by this algorithm. From what I have seen so far, `gmapping` only...
View Articleuv coordinates to world map coordinates
I'm working with turtlebot and I've built and saved a map using gmapping. I'm wondering if there is a funtion that transforms uv coordinates from map picture into world map coordinates. Or if there...
View ArticleHow scan angle is measured and published in LaserScan msg?
Range of the distance of the obstacles are measured from output of laser sensor but how actually the scan angles are measured. do we use any separate sensor to get the value?
View ArticleGmapping and TF frames
Hello, I'm using Ubuntu 14.04 and ROS indigo I published base_link>camera_link frames using static_transform_publisher as follows: Then, when I started slam_gmapping it gives the following error:...
View ArticleGmapping in largely empty space
I am trying to run gmapping in a large empty space with hokuyo utm-30lx. The problem is that most of the readings on /scan is inf and gmapping is not mapping that as empty space, even though I have the...
View Articlemap_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 laser) which worked fine. Here you...
View Articlesubscribe NAO laser head data
I am using NAO "Osiris", NAO with laser on the head. I want to get the laser data so I can use SLAM with gmapping, etc. How to get the laser data ? Thanks Update : I already solved that. I decided to...
View ArticleUsing map for pose estimation
Hello, Quite a newbie question, but I can't understand the right way to do things properly. (I'm using groovy under Ubuntu 12.04). I want to get a position and orientation estimations of my PR2 robot...
View ArticleGoal reached, incorrect map
Hello, I am using `move_base` to make my robot move a certain distance (x,y) **relative to itself**. I am using the following code in order to send my goal to `move_base`:...
View ArticleRobot state publisher has died error code -7
Hi, recently I upgraded my ODROID XU3 using apt-get and since then I haven't been able to launch robot state publisher which is crucial for my finals project. Whenever I want to launch my launch file,...
View Articleno 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...
View ArticleRecord and play BAG file
Hi everyone, I have a question about an error message. this tutorial http://wiki.ros.org/slam_gmapping/Tutorials/MappingFromLoggedData I tried and it worked with the test bag . but when I tried to...
View ArticleUsing slam_gmapping for an extern simulator
Hi, I have my own simulator and I would like to use slam_gmapping package. I understood that I have to publish to two topics /scan and /tf. I understood the data sent to /scan, but /tf is a...
View Articlegmappping problem ( NO MAP RECEİVED )
Hello friends... I created required gmapping tree. But RVİZ dont display a map. I use RPLidar. I run this gmapping launch file . and ı get this error on console. **[ERROR] [1434099978.892736102]: Scan...
View Articlegmapping and rplidar
hi friends.... I will not play a sample bag file. I couldnt solve gmapping with rplidar how can ı build a map as best simple. Can you give me a launch file for simple create a map with rplidar. I have...
View ArticleGMapping OccupancyGrid Coordinates
Hi. I'm having a little trouble representing the correct data from an OccupancyGrid created by GMapping. My setup is a single robot in a STDR simulator with one laser. I'm trying to read the pixel...
View ArticleHow to make map in Gazebo
Hi everyone, I am trying to generate a map in Gazebo, then use Gmapping package to generate a 2D map of the environment. I use indigo which utilizes Gazebo 2.2. I figured out a way how to do so...
View ArticleProblem with rosbag and rviz using laser scanner data
Hi guys, I’m trying to use rviz to read this laser scanner sampled data (http://classes.engineering.wustl.edu/cse550/data/Mapping1.bag) , using rosbag play. I add a display that reads the /base_scan...
View Article