Can Robot Models for simulations be used in all ROS versions?
I'm having trouble in simulating robots in gazebo as most models use ROS indigo in their documentaries as well as in Ros.org domentaries; basically all robots I've encountered so far.
Such as (fetch robot):
sudo apt-get install ros-indigo-fetch-gazebo-demo
which prints out this Error:
indigo-fetch-gazebo-demo
Reading package lists... Done
Building dependency tree
Reading state information... Done
E: Unable to locate package ros-indigo-fetch-gazebo-demo
so I tried just changing indigo to my current version (Melodic_
sudo apt-get install ros-melodic-fetch-gazebo-demo
but the same error prints out:
melodic-fetch-gazebo-demo
Reading package lists... Done Building
dependency tree Reading state
information... Done
E: Unable to locate package ros-melodic-fetch-gazebo-demo
Am I doing anything wrong?
or the model just hasn't been updated for melodic? (if so, what robot models are for melodic?)