Hi, I'm using ROS navigation stack and I'm have a doubt with a configuration parameter of costmap2d. I have a differential drive which shaft it isn't the center of the robot. I don't know where I have to put the base_link ; in the rotation point or in the geometric center of the robot? Could anyone help me? Thank's in advance Kind regards Carlos Tubío Otero Sistemas Autonomos e Inteligentes - Autonomous and Intelligent Systems http://www.tekniker.es [cid:image001.gif@01CC29EB.B8302C80] Mezu honen informazioa isilpekoa izan daiteke eta indarrean dagoen legediak babesten du. Hutsegite baten ondorioz jaso baduzu, bidal iezaiozu berriro bidaltzaileari eta ezaba ezazu. Milesker zure laguntzagatik. La información de este correo puede ser confidencial y está protegida por la legislación vigente. Si ha recibido este correo por error, reenvíelo a su emisor y elimínelo. Gracias por su ayuda. This e-mail may contain confidential information that is protected by our laws. If you have received this e-mail by mistake, please, notify the sender and delete it. Thank you for your help.