CoppeliaSim forums

Hi, Today, I manage to solve my problem of writing a ROS2 service wich use a custom image message (to ask the service and receive an Image from a vision sensor). I've written a tutorial about ROS2 services and Coppelia. Here's the link https://docs.google.com/document/d/11fRG4yqm54YKTVXe0K6f1cc5qJe6...

Hi, My goal is to create a ROS2 service to get the image from a vision sensor. To do this, I follow these steps : 1/ Publish a ROS2 message Image from an PNG file import rclpy from rclpy.node import Node import cv2 from cv_bridge import CvBridge from sensor_msgs.msg import Image class Publisher(Node...

OK, perfect. The only problem is that my scripts don't work at the moment. Most of the information (data, with, height, ...) are empty or equal to 0 so it means that my scripts (python and LUA) have errors. But I can't see what is wrong. The LUA script is an 'improvisation', I don't know this langua...

Hi, Using ROS2 service with Coppelia is a bit complicated (edition of interfaces.txt, compilation of libsimROS2.so, ...). Once the get image service is up and running, I propose to write a tutorial about how to write a ROS2 service for COppelia. Is there any recommendations for this (format : HTML o...

Hi, I don't know the LUA language but I try to translate the python script in LUA. Here's the LUA script : simROS2 = require('simROS2') sim=require'sim' function sysCall_init() visionSensor=sim.getObject('/visionSensor') print(visionSensor) corout=coroutine.create(coroutineMain) end function sysCall...

Hi, With the help of responses from this topic (see https://forum.coppeliarobotics.com/viewtopic.php?t=10791 ), I can now create a AddFourInts.srv service message and use it in a Coppelia python threaded script. def sysCall_init(): sim = require('sim') simROS2 = require('simROS2') global srv sim.add...

Thank you for your response. I've added this line in the src/sim_ros2_interface/CMakeLists.txt file : # find dependencies find_package(tutorial_interfaces REQUIRED) Then, I've just try to compile the sim_ros2_interface with : ERBOSE=1 MAKEFLAGS=-j1 colcon build --symlink-install --event-handlers con...

Hi, I've done the ROS2 tutorial on how to create a custom service message (see : https://docs.ros.org/en/humble/Tutorials/Beginner-Client-Libraries/Custom-ROS2-Interfaces.html). Now, in a terminal, I can check that this new message is recognized : ros2 interface show tutorial_interfaces/srv/AddThree...

Hi, I've downloaded the service_server.ttt example ( https://github.com/CoppeliaRobotics/simROS2/blob/master/examples/service_server.ttt )to have an example of ROS2 service throw a LUA script. When I run this scene, I can see a new service : koala:~$ ros2 service list /add_two_ints and in a terminal...

Hi, I try to use ROS2 service with a UR5 robot. When I save/restart the Python script, I can see that the move_ur5 service exists ( ros2 service list displays it) and a button appears which says : '/UR5/Script : abort execution' but the 'run simulation button (the triangle)' is not accessible so I c...