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Questions tagged [ros-melodic]

Melodic Morenia is a distribution of Robot Operating System (ROS). Use this tag when your question relates specifically to Melodic Morenia. Always use this tag alongside the [ros] tag.

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Has anyone tried simulation gmapping and navigation (amcl) with ardupilot-sitl-mavros-gazebo-rosmelodic, if so will you provide the detailed steps?

if not on ros melodic, on ros-noetic? a tutorial on this is lot helpful, thanks. (drone-simulation)
Vamshi K's user avatar
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Ros1 topic_tools::ShapeShifter for Service callbacks?

I am working in ros melodic and I have a node that creates a ros::ServiceServer and binds it to a service callback. I want this service callback to be generic since I would always access the same ...
xaruvi13's user avatar
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ROS How do I make the local planner as straight as possible

I am currently using ROS Melodic and the move_base package for navigation. I am utilizing the A* global planner and DWA local planner and would like the vehicle to follow a path passing through ...
Minji Song's user avatar
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1 answer
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Getting ROS melodic from docker to communicate with ROS noetic on host PC

I'm working with ros noetic in ubuntu 20.04 with docker desktop. I'm specifically running this package, which runs a back-end for a multi-robot SLAM system. According to the authors, they have to run ...
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ROS melodic, rf2o, Baseodom and navigation error

I am currently using ROS1 Melodic. I am trying to navigate a Husky vehicle equipped with a Velodyne VLP16 and a RealSense D435i, using move_base. I have two launch codes, as outlined below. first ...
Minji Song's user avatar
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2 answers
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I am trying to build a ROS/moveit catkin workspace and I get the error Could not find a package configuration file provided by "moveit_visual_tools"

I am Trying to build this workspace: https://github.com/jesseweisberg/moveo_ros I have all the sub folders of moveo ros in src but when I try to catkin_make it ...
Alex's user avatar
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Error on include my own library in ROS service

I have coded my own library for some purposes and use it in a ROS service. After modifying the CMakeLists file I get the following error: undefined reference to `decirHola()' collect2: error: ld ...
Juan Perez's user avatar
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Timeout Issue with ‘/cameras/list’ Service in ROS Baxter Simulation on Ubuntu 18.04 and 16.04

I am a student currently working with the Baxter robot in a ROS simulation environment. I'm encountering an issue with the robot's camera where the system reports a timeout when waiting for the ...
Yujiao Dong's user avatar
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23 views

Measurement model for ultrasonic sensor (SLAM)

I have a task that sounds like this: “Implement terrain mapping by a mobile robot using two ultrasonic sensors and four wheel encoders.” To do this, I use the SLAM method on ROS Melodic and the ...
Stargazer's user avatar
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ROS turtlesim reporting turtle image spawn

ROS Melodic used at least 14 turtle images in turtle_frame https://github.com/ros/ros_tutorials/blob/melodic-devel/turtlesim/src/turtle_frame.cpp, is it possible to have ROS report which image is used ...
Marco LO's user avatar
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2 answers
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rosbags-convert fails with assertion error

I am trying to convert some fairly large (~50GB) bag files recorded in melodic so that I can use it with humble. I'm using the rosbags python library. It fails with ...
ALNA_Perera's user avatar
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cannot make navigation package in melodic

I have install from source navigation package from githubmelodşc-devel branch but when I tried to build it opengl is not found from cmake, I couldn't solve issue. I have opengl libs and also I can ...
Tuğba Kara's user avatar
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Can not communicate CS9 in ROS with staubli_val3_driver package

I am trying to implement a Staubli TX2-140 arm in ROS using staubli_val3_driver. I have copied val3 folder to the controller. When I open ros_server VAL3 app in teach pendant I have the following ...
Unai Granados Ormaetxea's user avatar
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Gazebo camera plugin not sending data to ros

I am on ubuntu 18.04 using gazebo 9 and ros melodic. I am able to run roslaunch and open gazebo with ros and connect it to ardupilot SITL. When i check rostopic in another terminal i am not getting ...
Jack's user avatar
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ROS2 equivalent of ros::CallbackInterface

I have a legacy code that I am changing to ROS2 from ROS. I stumbled upon a class that is inheriting ros::CallbackInterface that I would like to change to ROS2. I would like to know what is the ROS2 ...
RobotBramhana's user avatar
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Help with installing and running ARI simulation

I am going through the installation steps for using the ARI simulation as seen here, and have successfully done so in the past without any issues. However, now I am experiencing the following errors ...
John Stef's user avatar
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I am trying to run slam_gmapping on a separate device as my sensor nodes (robot), I can subscribe to the topics, but my published map is empty?

I am new to ROS and I am working on a project for school. I am using the HiWonder JetAuto (based on the Jetson Nano) to run my sensor nodes. Specifically the RPLidar A1, Astra Camera Pro Plus, IMU, ...
therealvenga22's user avatar
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Kinect V1 + Raspberry PI 4B + OpenNI

has anyone managed to get the combination ROS Melodic + Ubuntu Mate 18.04 + Kinect V1 + Raspberry PI 4B to work using the openni package? When I run the command ...
Mateus Guilherme's user avatar
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Gripper normal to surface

I am using Moveit on Franka Ros demo. Is there a way to give a special target to a gripper in Moveit like set the gripper normal to a surface whatever its orientation ? For now what I know when I ...
dev dev's user avatar
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Which coordinate system should be used for local planning, odom or map?

I am designing a local planning system, and based on the suggestions provided on the ROS Wiki, it seems that the real-time reliability of the odom coordinate system is higher. Therefore, I have chosen ...
Heho's user avatar
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How has anyone successfully used rostest for automated testing in ROS Melodic and Noetic since 2015?

I'm developing for a system currently based on ROS Melodic, running on Ubuntu 18.04. I'm adding unit testing for a node in C++ and thus registering the test with the ...
McManip's user avatar
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Creating a Digital Twin Project with ROS1

I'm currently working on a digital twin project using ROS Melodic, aiming to create a virtual replica of a physical UR5 robot equipped with ToF sensors. The objective is to sensors in Gazebo so that ...
futureMobile's user avatar
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Open Manipulator python API documentation, or Examples

As stated by the title, is there a way I can access to the python API documentation of the Open Manipulator package? Right now all I can find are service definition such as: https://emanual.robotis....
Ezeuz's user avatar
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Possible wrong ussage of transformPoint method from tf

ROS VERSION: Melodic OS VERSION: Ubuntu 18.04 package tf version: 1.12.1 I'm trying to create a node that processes a PolygonStamped object and transform each point of it to a especified frame_id in ...
ÁngeLoGa's user avatar
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How to go about SLAM & Navigation in ROS Melodic?

I have a 4 wheeled robot with a LiDAR that is using the skid steer plugin using ROS Melodic. At the moment I can move the robot (using teleop keyboard) in Gazebo and see the robot's movement and ...
Balen's user avatar
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Why Lidar detection range in gazebo is different from setting?

...
seokjinheo's user avatar
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2 answers
51 views

When should I implement actions as Behavior Tree (BT)?

I have an action called take_pallet, implemented by BT, which has several actions like: MoveToPoint, Docking, ...
Kien Tran's user avatar
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2 answers
99 views

Robot won't move and laserScan won't show in RVIZ

I have a 4 wheeled robot with a LIDAR on the robot. I am able to move the robot in Gazebo and the lidar "scans"(if that's the right term for the blue lines coming out of it) are showing up ...
Balen's user avatar
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How to turn the wheels on a robot that uses ros_control?

I have made a robot with 4 wheels and it uses ros_control. At the moment I can use a python script to make it move forward and backward but I don't know how to make the wheels turn as it only has the <...
Balen's user avatar
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Incorrect RVIZ visualization of UR10 robot [duplicate]

There seems to be some issue with visualizing the UR10 robot on RVIZ. Recently I uninstalled ROS and all its dependencies by mistake. Then installed everything back to get it working. However, after ...
Brolin's user avatar
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1 answer
62 views

How to keep Gazebo open and load new changes to it from URDF file?

I have a launch file for gazebo that works fine in terms of loading the robot into the world. But the problem I have is that I have to keep ending Gazebo in terminal by using CTRL + C and then wait ...
Balen's user avatar
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1 answer
109 views

How to send and receive CAN messages on Ubuntu 18.04 using ROS Melodic

I am trying to use a PCAN-USB device (from Peak-System) to be able to send and receive CAN messages which I would like to use to control a robot using ROS at some point for work.From the research I ...
Balen's user avatar
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1 answer
62 views

Lifelong mappping in slamtoolbox

I have this parameters to run slamtoolbox in lifelong mapping , map is creating worse ( will give the pic below) here is the params: ...
Tuğba Kara's user avatar
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1 answer
30 views

tf name conflict

I'm wandering the way to use two cameras with different tf name. I use two relasense camera, one is one the ceiling (bird view), the other is on my robot (robot view). Since launching the same file, ...
K.S.'s user avatar
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0 answers
16 views

Behavior Tree with moveit on ros1

Right now I am unable to execute the moveit and i am not sure why, I thought it could be due to Async Spinner but when i added a async spinner in the main or in the class itself it always aborts ...
emanuel rodrigues's user avatar
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1 answer
105 views

Solving the follow a person problem in ROS Melodic

I have this project where I need to solve the problem of tracking a person in a room. I am currently working on a skid-steer platform that has a 2D LiDAR and a D435 depth camera. Let's say I am able ...
radox's user avatar
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22 views

Open Source GUI in ROS for AMRs

are there any available web based GUI/HMI for operating AMRs with ROS. Im looking for any packages that have basic functionalitie for AMRs. Thanks in advance :)
san's user avatar
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ROS Docker container on Windows experiencing significant delay in response

I'm tryied to set up a ROS environment on Windows by creating a Docker container with Ubuntu 18.04 and ROS Melodic. I've utilized Docker Desktop with network=host ...
Riley C's user avatar
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29 views

ROS1 melodic - Setting up openzen sensor (IMU)

I have ROS1 melodic installed. (http://wiki.ros.org/melodic/Installation/Ubuntu) I have an imu sensor connected to my computer through an USB port and I want to use OpenZen's openzen_sensor ROS ...
Xyz Xyz's user avatar
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ROS melodic rviz problem

Hi I'm using ROS melodic and I was trying my own global_planner using plugin method. before changing the base_global_planner to my "own global planner" it was using navfn. After changing the ...
Kevin's user avatar
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147 views

Not getting point cloud data from Velodyne VLP-16

I have a raspberry PI 4B running Ubuntu 18.04 with Melodic installed. I tried to follow the official Velodyne tutorial to use VLP-16. I can see the User Interface through the browser. I want to do the ...
Gergely Halász's user avatar
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23 views

Publishing consecutive Pointcloud2 messages for visualization in RViz

I want to view a PointCloud2 topic in RViz. This topic is essentially a 3D map that is being updated incrementally via new PointCloud2 messages. Suppose I have multiple PointCloud2 messages being sent ...
hunterlineage's user avatar
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Problem communicating with multiple ROS units: rostopic list is visible but not rostopic echo. ($ROS_IP is already set)

I am communicating with my desktop PC as master and my Raspberry pi as slave. When I start a node on the Raspberry pi and publish a topic (/scan), the desktop PC ...
yagi's user avatar
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Could not find resource_retriever after catkin-make command. How to fix it?

How to fix it: ...
AnPa's user avatar
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1 vote
3 answers
932 views

Invalid GPG ROS melodic Docker image

for a couple of hours, I am getting the following error when trying to build Docker images based on ROS melodic: ...
fabioDFKI's user avatar
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23 views

How to publish images of a file.bag on a topic with python?

I'm a beginner with ROS, so i thank you in advance for your answers. I have a file.bag (Video) available and I would like to publish the various frames on a specific topic at defined moments of time ...
oliver's user avatar
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1 answer
70 views

How to access the true ROS cost map boundaries instead of defaultones?

I am trying to do a basic RRT global planner implementation in ROS Melodic. I am using a wheeled mobile robot for testing my own global planner plugin for robot navigation through move_base. I am ...
Rahul's user avatar
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Can I change the linear velocity limitation in turtlebot3?

I’m using turtlebot3 for my experiment. (also, ros1 and melodic) For my experiment, the linear velocity limitation of turtlebot3 needs to be changed. As I know, the linear velocity limation is 0.22 m/...
윤정현's user avatar
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2 answers
45 views

How to remap tf publication of AMCL

I'm trying to perform Localization in outdoor and indoor situations, and I would like to remap the /tf publisher from AMCL node so I can redirect it to a mux where I could select which algorithm ...
ÁngeLoGa's user avatar
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0 votes
2 answers
85 views

Robot getting spawned at the corner of map

using ubuntu 18.04 melodic i am currently trying to do amcl with my robot with a generated map from gmapping my map now cannot be spawned normally and the robot is alw at the corner , please help me , ...
tim's user avatar
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