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Thanks for the hints! Probably there's something wrong here:
with ldd -r libsimExtROSInterface.so
It gives me:
linux-vdso.so.1 (0x00007ffee3578000)
libimage_transport.so => /opt/ros/melodic/lib/libimage_transport.so (0x00007f54678ce000)
libdl.so.2 => /lib/x86_64-linux-gnu/libdl.so.2 ...

Yes I sourced the environment.
I put there because I saw LIBPLUGIN_DIR was pointing to that ros packages.
I know very little of cmake, however I tried to set(LIBPLUGIN_DIR ~/CoppeliaSim_Edu_V4_3_0_Ubuntu18_04/programming/libPlugin)
and it start compiling until this error:
Traceback (most recent ...

I've made the same steps as here: https://forum.coppeliarobotics.com/viewtopic.php?f=9&t=9026&p=34669&hilit=ROSInterface%27%3A+load+failed#p34669 but I'm still getting plugin 'ROSInterface': load failed on loading.
I'm on Ubuntu 18.04 with ROS melodic and CoppeliaSim 4.3.0.
I have a ros workspace ...

Hi all, I'm trying to simulate the skin behaviour of a thigh getting hit by a sphere of 10kg .
The scene looks like this:
https://i.ibb.co/Xk5XvLp/Senza-titolo-1.png
The skin is simulated with a spring/damper joint where K= 5e^4 .(I found this value in some papers).
The top plate( Plate_dyn ...

I'm having some troubles setting my simulation in order to read from a force sensor.
I'm doing motion planning with an UR10 on a stand and I want to know the forces applied on that stand during the movement. https://iili.io/d2vFLX.png
I've read this guide https://www.coppeliarobotics.com/helpFiles ...

Is there a way to constrain a child object only on x,y,z but keeping its initial orientation without scriping? I have a sensor child of my robot. During the simulation, my robot rotates and moves around but I want my sensor not to change its orientation but follow only the robot's position. Since I ...

Really thank you, now it works! I added:

Hi, thanks for the reply.
I tried but during catkin build this error occurs:
Errors << sim_ros_interface:make /home/j/ros_ws/logs/sim_ros_interface/build.make.017.log
/home/j/ros_ws/build/sim_ros_interface/generated/ros_msg_io.cpp: In function ‘void write__control_msgs ...

Hi all, i'll try to explain what's my problem.
My simulation need to publish to comand_msgs/FollowJointTrajectoryActionGoal topic so i created a publisher doing:
pub = simROS.advertise('/my_topic/follow_joint_trajectory/goal', 'control_msgs/FollowJointTrajectoryActionGoal')

After i run the ...