map take long time to update
hi i am using gmapping to build map and i did and its accurate , but while i am building the map some time there is places did not be added to map while updating, and the map update take a lot of time...
View ArticleChange [velodyne] frame for gmapping
I have .pcap file collected from VLP16 and I first run roslaunch velodyne_pointcloud VLP16_points.launch pcap:=/home/soowon/Documents/111.pcap I can now see in RVIZ in fixed frame of [velodyne] Then I...
View ArticleUse existing map and create a new map at the same time using gmapping
Hi, I already have an unclear map which might be suitable for some of the locations but cannot suffice for each location. Therefore I want to initialize the robot using the old map (using amcl and...
View ArticleCannot understand tf cpp code
The following code: SlamGMapping::initMapper(const sensor_msgs::LaserScan& scan) { laser_frame_ = scan.header.frame_id; // Get the laser's pose, relative to base. tf::Stamped ident; tf::Stamped...
View Articleturtlebot gmapping demo can't make a correct map,any help?
I have already set many parameters but it not work.
View ArticleGmapping in Gazebo with Hokuyo: problems due to max range measurements
Hi all, I am simulating gmapping in Gazebo with my Turtlebot. I have attached an Hokuyo laser on my (virtual) turtlebot and want to use this for gmapping instead of the virtual kinect laser. The...
View ArticleERROR: cannot launch node of type [gmapping/slam_gmapping]: gmapping
Plain dump of error message: PARAMETERS * /rosdistro: kinetic * /rosversion: 1.12.6 NODES / slam_gmapping (gmapping/slam_gmapping) ROS_MASTER_URI=http://localhost:11311 core service [/rosout] found...
View ArticleAMCL Initial Pose Problems & Local Map
HI, I've got a problem with the initial pose of my Robot. When AMCL comes up with a initial pose of [0,0,0] the pose array is pointing 180 degrees in the wrong direction. If I use 2D Pose Estimate to...
View ArticleOdometry data in gmapping without bag
Hi, I'm a beginner trying to build a map using [this ](http://wiki.ros.org/slam_gmapping/Tutorials/MappingFromLoggedData) tutorial. There is one change I'd like to make: build in real time. I figured...
View ArticleHow do you make a transform for a laser and a Kobuki?
What I want to do is to use "slam_gmapping" for my Kobuki robot and I'm using a Phab2 Pro as the laser scanner, because on the phone itself, it converts pointcloud to laser scans. (Phab2 Pro has...
View ArticleUnderstanding AMCL, gmapping and hector_slam codebase and algorithms
I have been able to successfully make fully autonomous AMCL based Robot and now want to explore in details the working of these nodes. My questions are: 1. Are there any advanced tutorials available...
View ArticleGmapping not marking inf values as free space
Hi, Im working with gmapping and a simulated robot in gazebo under ROS Kinetic.The problem that I have is that gmapping doesn't draw the space under the rays that didn't hit anything as free space. The...
View ArticleHow to use ORB_SLAM with ROS Navigation Stack?
I am currently working on a mobile robot project, in which I want to implement ROS Navigation to be able to set goal pose and avoid obstacles. The main problem is, that I don't have a Kinect or a laser...
View ArticleSlam gmapping and hector
Hello! I'm currently trying to implement a slam using gazebo. I already have the laser tf publish, as well and the tf between the wheels and the base_link and gazebo publishes the odometry and I think...
View ArticleBad map on rviz using gmapping
Hello, I'm quite new with ROS and it's been a few weeks that I'm actually facing a problem I can't manage to solve. I'm trying to creta a map from a robot's sensors data and visualize it on rviz, so...
View Articlegmapping with depthimage_to_laserscan
Hi everyone. I am relatively new to ROS. I have an Orbbec Astra camera, and I use the following line to make a node to obtain the images: $ roslaunch astra_launch astra.launch It finds my device, and I...
View ArticleWhere on the kinect does camera_link refer to?
I have my kinect setup on my robot using openni and gmapping. Everything is working but I am now going through and measuring/reading from CAD all of my dimensions to publish to tf. But where on the...
View Articlemap generated is not continuous
 And the one containing the laser scan (red points) is like this:  Im using gmapping and the...
View Articlegmapping don't publish the tf from map->odom
I recently try to run SLAM gmapping on Husky robot. I build the map successfully but don't get the tf from map to odom. Even the frame "map" doesn't exist. I have some the questions. 1. whether the...
View Articlegmapping with multiple lidars
we have used a single lidar with slam-gmapping but now we want to extend this with multiple lidars (around 4 sick lidars). is there anyway to maybe merge the data together and continue using...
View Article