def _start_viewer()

in gym_soccer/envs/soccer_env.py [0:0]


    def _start_viewer(self):
        """
        Starts the SoccerWindow visualizer. Note the viewer may also be
        used with a *.rcg logfile to replay a game. See details at
        https://github.com/LARG/HFO/blob/master/doc/manual.pdf.
        """
        cmd = hfo_py.get_viewer_path() +\
              " --connect --port %d" % (self.server_port)
        self.viewer = subprocess.Popen(cmd.split(' '), shell=False)