Is it possible to hack the laser_assembler to not convert laser scans into...
I have a turtlebot with a kinect and a hokuyo laser scanner, the goal is to use both scanners /scan topics for gmapping. Is there a way to hack the laser_assembler to not convert laser scans into point...
View ArticleHelp with slam_gmapping
I am trying to run slam_gmapping on this [bag file](https://www.dropbox.com/s/eo0wex1telvgtlf/halls.bag?dl=0) I collected with my robot and I am getting ridiculously bad results -- so ridiculously bad...
View ArticleReplacing /odom topic for turtlebot
I'm using a vicon system rather than a gyro and encoders to track my Turtlebot's pose. Only problem is, I'm not sure how to modify the /odom topic to take only my vicon data (it currently takes both...
View ArticlePosition of a point on expanding map of GMapping
Hi, I am trying something and I need some help. I have two robots which are mapping the same environment by using separate GMapping algorithms and building separate maps. During the mapping process, I...
View Articlelaser_scan_matcher with hydro
Is there any way to run laser_scan_matcher with hydro? I am wanting to run my laser with gmapping with out odometry. Is there another way to do it? Thanks,
View Articlegmapping with Structure Sensor
Hi I am using the Structure Sensor onboard the Parrot AR.Drone for SLAM The Structure Sensor is a depth sensor and cannot use RGB-D SLAM techniques the structure sensor is connected to the ODROID-U3...
View ArticleUsing 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 ArticleQuadrotor: Structure sensor compatible with gmapping
Hi Should I make any changes when using the gmapping_slam with structure sensor as it is not a laser scanner. I was told that odometry with SLAM yields accurate results. Will the usage of gmapping_slam...
View Articlegmapping_slam with Structure Sensor on quadcopter
Hi I am using the Structure sensor on a Parrot Drone fro SLAM The sensor is a depth sensor i would like to ask if I may use the gmapping-slam with the Structure sensor on the Parrot drone Some queries...
View ArticleGmapping for Building a Map
Hello, I am trying to use [gmapping](http://wiki.ros.org/gmapping) package for building a map. My tf tree is complete: `map --> odom --> robot/base_footprint --> robot /base_link -->...
View ArticleShowing error in rviz while trying gmapping
Using static transform publisher, I defined relationship between my robot and laser, i.e base_link-->laser Then I created a fake robot odometry data which gives all required odometry using code from...
View Articleproblem mapping with turtlebot at slope area
Hi there Im doing the gmapping with turtlebot. now i want explain my place condition.There are two side and just next to each other.one is flat ground and one is slope ground. when im doing gmapping at...
View ArticleProblems about gmapping under the environment： ROS(hydro)+turtlebot2+rplidar
I am really sorry to trouble everyone, and please forgive me for my poor English. But I really face some problems that I can't solve them. I want to replace the Kinect with the rplidar laser device...
View ArticleHow does gmapping detect loop closure?
I want to know the way to detect loop closure in gmapping package. I couldn't find loop closing method in gmapping papers.
View Articlecurved map with gmapping
Hi, I'm trying to map an indoor environment (U shaped hallway, about 250m long) with a Pioneer P3AT robot with a Sick Tim3xx laser (4m radius, 1 degree resol., 270 fov). I tried mapping this hallway...
View ArticleThe transform between /map and /base_link
While I try the gmapping with turtlebot2+rplidar laser range, there is a problem, then I try the commod below: $ rosrun tf tf_echo /map /base_link when I control the turtlebot2 move back, the X axis...
View ArticleProblems with using gmapping - cannot launch node.
I request your help in getting started with gmapping on robotino. I have just checked out the robotino-ros-pkg using svn and run 'rosmake robotino' without any errors. Now when I want to launch...
View Articlechanging value 0/nan to max distance (urg/hokuyo node)
Trying to map a quite big open space but some values returned from the node is 'nan' which i suspect are areas which has no obstacle or whatsoever at max distance. How can i turn this 'nan' into a...
View Articlegmapping calculate only first laser scan
I've been trying to operate the gmapping package using a hokuyo laser scanner. I run: rosrun gmapping slam_gmapping scan:=base_scan Of course I ran first the laser and a static_tf_publisher between the...
View ArticleHow to use SLAM gmapping with multiple rgbd xtion
Hello, i'm trying to create a map with two asus xtion on my turtlebot2. They are mounted back to back in the middle of the turtlebot. One to the front and one to the back. After bringing up the...
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