I'd like to map some sensor values, what should I use?
Hi, I'd like to make a 2D map of some sensor values I will measure with my robot, such as light intensity. What mapping tool should I use? I'm a little bit confused between gmapping, costmap or even...
View ArticleHow to improve gmapping algorithm?
I want to modify the gmapping algorithm to improve it's Performance. Can someone give some advice? Or is any papers about it?
View Articlegmapping hangs ubuntu
Hi guys, In a freshly rebooted ubuntu 14.04 and ROS Indigo if I launch gmapping and after that I try to run "rostopic echo /map" or "rosservice call /dynamic_map" the system hangs completely. But...
View ArticleSubscribing /map consumes 4gb of memory!?!?!
I have created a python node that just subscribes /map from gmapping. Callback function does nothing, only returns null. By starting this node I can see an increase of around 4gb in my ram. I know each...
View Articletf tree problem with map->odom->base_link
Hi, I have a problem with providing the following relationship "**map->odom->base_link"** in my tf tree. My question is what changes are necessary to fix this problem. In the below sections I...
View ArticleVisualize robot in gmapping
Hi I have gmapping working for my mobile robot.  Now I can see the position of my robot by visualizing tf, so that I can see the base link and laser....
View Articlegmapping without robot_pose_ekf
Hi all, I tried running pr2 in gazebo (pr2.launch), but removing the robot_pose_ekf in "pr2_bringup.launch" plus setting the parameter "odom_frame" to "odom" (changing from odom_combined to odom) for...
View ArticleGmapping odometry weight
Hello, I can't figure out how to increase the weight of the odometry against the SLAM relocalization when building a map with gmapping. As I am building a map in an environment with featureless long...
View ArticleAdd special location in Gmapping maps
Hi everybody, Can you tell me if it's possible to add a special location in a map created by Gmapping so when the robot reaches this position it knows that it's in this position ? Example: In the map...
View Articlecannot stat 'devel/lib/gmapping/slam_gmapping*':No such file or directory
When I install gmapping on raspberry Pi3, I can't find the gmapping directory after executing 'catkin_make' command susseccfully. Anyone can tell me how to fix this??
View ArticleHow do I launch gmapping?
Hi, after battling to get ROS working, i chose to work with gmapping so i downloaded the gmapping package and the openslam_gmapping_master packages (after reading a lot of posts, it seems like to be...
View Articlehow to mark the north of map?
Hello,everyone. I have a question. If I create a map by mapping? How to mark the north. we know that the image is rect. but, if the north is not north, we will fail the get he correct map. I want to...
View ArticleMultiple Robotino co-ordination
Hello, I am new to ROS and just I have just managed to install and run the robotino-ros-pkg in my ubuntu VM. I am working on multiple robotinos and I needed to create a static map for them to run in. I...
View Articlerotation of map in slam_gmapping - how to de-rotate?
I have a map produced by slam_gmapping. It looks pretty good. Straight edges, good loop closure, etc. I started the mapping on a hardwood floor (and have tuned odom on a hardwood floor) but in the...
View Article[turtlebot][frontier_exploration] Robot never moves while "Sending goal"
Different issue from http://answers.ros.org/question/196189/frontier_exploration-with-turtlebot/ Using [a package I just made](https://github.com/130s/turtlebot_samples/tree/indigo), which launches...
View Articlecan't manage to use costmap_2d individually
Hello, i can create map with gmapping and hector_slam. since i dont have a robot system (just laser scanner) i'm just trying to use costmap_2d individually so i created a launch file (based on...
View Articlestatic map for robotino
Hello guys, I am new to ROS and I am trying to follow link:[this tutorial](http://wiki.ros.org/robotino_navigation/Tutorials/Mapping%20with%20Robotino).I am able to launch rviz successfully. I am also...
View Articlegmapping : Scan Matching Failed, using odometry
Hi, I'm using gmapping to create maps. But, it returns a lot of messages saying `Scan Matching Failed, using odometry` and the resulting map has several overlapped maps. In rviz the laser values seem...
View Articlehector_slam vs gmapping?
hello, I have -only- laser scanner and i can create maps with both hector_slam and gmaping(with help of laser scan matcher). I wonder that, when it comes to mapping (or localization), how can i...
View ArticleReading coordinates from gmapping map
Hi. I have a following problem. I want to localize my robot with triangulation method. I have a rosbag with recorded movement and I managed to create a map with gmapping. I created a launch file where...
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