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ERROR 1714114699.725235045 transformPoseInTargetFrame : Extrapolation Error looking up target frame:

I am doing this on my machine and controllers are running on rpi 4b unable to perform navigation robot starting spinning around Error: ...
Vrushab Jain's user avatar
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Costmap navigation 2 not working

I'm using robot pepper from Softbank Robotics, Rtabmap and navigation 2 with ROS2 foxy. I'm having problems in nav2 costmaps. When I visualize the costmaps in Rviz2 it works fine for about 1 sec then ...
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nav2d Operator does not update with laser scan on real Clearpath Husky

Hy there, i am trying to use the nav2d package with a real Husky but have problems with getting the costmap updated according to a lidar-measurement. The setup looks like: PC running ROS Kinetic ...
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2 answers
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How to run Robot web tools at Non Internet environment?

Hi, I am trying to create some widgets for RobotWebTools to monitor/control my robot on the Web browser remotely. According to the nav2djs(one of the widgets of the RobotWebTools) tutorial, the HTML ...
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nav2d stage to gridmap transformation

Hi, I'm using nav2d in ros kinetic. The configuration is the one of tutorial3.launch. During the navigation I printed the start and goal coordinates used by the ...
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How to use YDLIDAR X4 in Nav2D

Hi guys I'm back into ROS and Nav2d world :) During my study I was using the robot from university where I implemented ROS and Nav2d into the robot. I'm so glad to use Nav2d that now I want to build ...
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1 answer
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Why does the nav2d_karto mapper.yaml have particles?

Hi, I cannot figure out theoretically why does the Karto Mapper provided in the nav2d package uses also particles for mapping. From the basic SLAM theory I've studied, a graph-based SLAM algorithm ...
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1 answer
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Laser reading not between range_min and range_max!

Hi, i'm trying to use nav2d package on turtlebot3 for autonomous exploration(third tutorial). When i launch it, everything seems to work, except for the fact that rqt_console shows the warning "...
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delayed data transfer rate using nav2d

Hi everyone, I've had some troubles when I call StartMapping and StartExploration through rosservice calls for this package. According to my previous post previo, there is something wrong inside ...
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1 answer
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how to use nav2d with my own lidar and slam algorithm?

i'm trying to do this job,here is the scene: I want to take my lidar move around a house ,and i hope nav2d could give me a path about how to move to the most proper frontiers,my slam algorithm is ...
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1 answer
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nav2d Exploration failed with hectormapping

Hello,everyone In the tutorial3.launch, I remove the mapper node and use hectormapping instead. after roslaunch tutorial3.launch, in a new terminal,type "rosservice call /StartMapping 3" and ...
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1 answer
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nav2d toturial 3

Hello everybody, i'm using Ubuntu 14.04 LTS and ROS Indigo i'm trying to launch tutorial 3 for nav2d package. but it seems that there's error in the mapper. all what i did is first i launched the ...
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Troubles with autonomouse mapping with nav2d and turtlebot 2 - StartExploration Error

Hi, I just started with ros and don't have much experience. I already installed the the nav2d package. Like in the tutorial described, I started the command rosservice call /StartMapping 3 and the ...
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1 answer
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What is meaning of Operator's topics?

What does the blue and the green line means in Rviz while using tutorial2 for autonomous not manually (joystick) ? According to http://wiki.ros.org/nav2d/Tutorials/RobotOperator The blue line is the ...
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Does Selflocalizer get map via service call from MapServer?

It is not shown in rqt_graph the service call connection for SelfLocalizer node to where ? From rosnode info SelfLocalizer it shows ...
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nav2d autonomous exploration

Every problems before fixed: EDIT 6: Hi friends!! I have just fixed every problems with your help. So now my robot moves with StartMapping and with StartExplorer, but not really well... I think that ...
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1 answer
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How to setup the yaml files for a modified map?

Hi all I'm using Nav2d where the part of simulator is replaced with my own physical robot. The map in simulator has larger dimension size than my map which is only 5x3 meters. Since the map size is ...
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1 answer
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ERROR: Is the robot out of the map?

Hello, I use nav2d in a real robot with kinect. But when I call /StartMapping, there is an error: ERROR: Is the robot out of the map? Here is a print screen of the costmap and my costmap.yaml. Any ...
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1 answer
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How to match the map in Rviz with real world map?

Hi, I'm using Nav2d simulator and launching tutorial2 file. I have changed the original map to another simplified map and using real robot instead of Stage. The problem is that an object is located in ...
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1 answer
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Understanding launch file from nav2d tutorial

I have a node that I want to subscribe two topics from nav2d, I'm interested to use the /base_scan and /odom topics. When I look in launch files then I can see ...
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1 answer
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How to print values in SelfLocalizer.cpp in Nav2d

I'm trying to analyse the Algorithms in SelfLocalizer node which is Particle Filter, Beam range finder, and Field range finder model. I understand the theory behind it but I want to see what is coming ...
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1 answer
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Is there a technical description of nav2d packages?

Hi I'm studyng on a project that is related to nav2d tutorials, and I want to understand the code for navigator.cpp (RobotNavigator.cpp) and LocalizerNode (selfLocalizer). I can see the node ...
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1 answer
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How to edit and run the nav2d tutorial

I'm trying to edit the launch file by following tutorials for nav2d. So at the beginning I have download the package from github: https://github.com/skasperski/navigation_2d and past it in my ...
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1 answer
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nav2d installation

When I run the command line: roslaunch nav2d_tutorials tutorial1.launch I get a lot of line that I don't understand where should I look at or how to fix the problem:...
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1 answer
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How to install nav2d packages

I have installed the nav2d from http://wiki.ros.org/nav2d by using: sudo apt-get install ros-indigo-nav2d and then I have to install additional packages, but it dos not work! I use for example: sudo ...
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1 answer
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Nav2d with Turtlebot failing to create map

Hello everyone! Im trying to use nav2d package with turtlebot and hokuyo laser to map an unknown room. I think I've all well conected, as you can see on my rqt_graph: image description http://i66....
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1 answer
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nav2d exploration plugin

Hi all, I see nav2d comes with the ability to plugin exploration planners via pluginlib for cooperative exploration. The source includes some example plugins. I've gone through the nav2d tutorials as ...
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1 answer
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How can I estimate the coverage performed by an algorithm while exploring an unknown map

Hi, I am using the nav2d exploration package to explore an unknown environment. I am using various strategies like NearestFrontier and MinPos Planner. Is there a way through which I can estimate the ...
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1 answer
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Changes in RobotNavigator.cpp have no effect

Hi, I am seeing a strange effect that even though I removed some comments from RobotNavigator.cpp file in nav2s_navigator package. When I run it, I can still see the same log messages in rqt_console ...
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1 answer
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How to store explored nodes in ROS?

Hi, I am using nav2d to explore a map. Is there any way I can store the order of explored nodes in a data structure? I was thinking we can whether I can use rosbag for this somehow. Please let me know ...
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1 answer
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Unable to move the second robot using nav2d exploration

Hi, I am trying to explore an area autonomously using multiple robots. I have created a launch file which looks like below: ...
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1 answer
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nav2d StartExploration finished without doing anything

Hello, I am currently trying to use nav2d service : StartExploration to make my turtlebot robot map a unknown room with Ubuntu 14.04 and ROS Indigo. When i use the service StartMapping to get the ...
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1 answer
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nav2d Navigator failing to create path

Hello, I am trying to use nav2d with the turtlebot robot, in order to map an unknown room. I was able to modify the tutorial3.launch file and the costmap is created without problems. But when i try to ...
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1 answer
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Localiztion in Nav2d is very poor on Turtlebot 2 with default configuration

Dear all, I am running the nav2d tutorial 3 on the turtlebot with Kinect sensor. the working is fine except for the localization. the robot keeps on localizing and every time the map is shifted little....
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2 answers
3 views

nav2d - Problems getting it working on a real robot

Hi, I'm trying to get nav2d to work. I have a launch file on my real robot which looks like: ...
MarkyMark's user avatar
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1 answer
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nav2d autonomouse exploration

Hi, I installed and tried nav2d navigation package exploration feature, with a real robot setup (kobuki base, urg-04lx) as per ros wiki instructions. i modified the tutorial3 launch and param files, ...
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1 answer
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Nav2d call getmap service failed

Hello, I already asked a question here. I received no answer but I found a way to work around the problem. I'm currently still trying to use the exploration service provided by nav2d. I solved my ...
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1 answer
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About 2dnav using nav2djs with Turtlebot and compatible packages

Hello, I am working in a project integrates the web_video_server with map navigation capability, I have the following questions about the packages: For the use of nav2djs: The example that is in the ...
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1 answer
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problems running nav2d tutorials - ROS Hydro

Hi, I have recently installed the nav2d package for ROS - Hydro on ubuntu 12.04 64 bit. I installed the packages using the sudo apt-get install ros-hydro-nav2d. ...
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1 answer
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How to solve these error messages from nav2d tutorials

Hi everyone. I try to do the tutorials from nav2D and when I run the tutirialX.launch I get these errors: ...
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1 answer
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nav2d autonomous multi robot exploration

Hi everyone, I started using the nav2d package and did the four tutorials with success. In the 3rd tutorial you can make a robot autonomously explore an unknown map. In the 4th, you can move two ...
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1 answer
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Multi Robot Mapping in Navigation_2d Tutorials

The tutorials for the navigation_2d package are provided here. The first 3 work flawlessly and, being a beginner, they have taught me a lot. However, the next 2 tutorials have very little ...
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1 answer
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Best Practices in ROS. (Making FRC->ROS Tutorial)

Hello! I am learning ROS and want to teach it to my (and every) FRC team in few months. I plan on doing this make a “ros walkthrough” to demo the “correct” way to use ros. For the example, we will ...
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nav2d and Turtlebot

Hi everyone, I'm looking to use nav2d package(wiki.ros.org/nav2d) with my turtlebot. But i have no idea how to mapping (or config) nav2d with turtlebot. So has anyone experienced this problem? Thanks ...
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