Hi I am trying to develop a 3 dimensional navigational algorithm. As of now, I have issues with gazebo - I am not very cool with xml, I use an old laptop and complicated gazebo models crash etc. Would ODE be an alternative ? Can I use ODE with ROS nodes ? Regards Arkapravo -- Arkapravo Bhaumik E-mail : arkapravobhaumik@gmail.com Blogs : http://mobotica.blogspot.com/, http://3chevrons.blogspot.com/ Twitter : @abhaumik Facebook : arkapravo@facebook.com Skype : arkapravo