Exemplo n.º 1
0
 def initiateGraphics(self, graphics=Graphics.Basic(), id_frame=0):
     self.graphics = graphics  # Use this canvas for plotting etc
     if graphics != 0:
         self.id_frame = id_frame
         self.displace = np.array(graphics.get_canvas_displacement(
             id_frame))  # This is where the plotting starts
         self.wall_displace = np.append(self.displace, np.array([0, 0]))
         self.screen = graphics.screen
         self.frameside = graphics.frameside * graphics.canvas_prop
Exemplo n.º 2
0
    def __init__(self, graphics=Graphics.Basic(), id_frame=0):
        # STATE
        self.q = None
        self.x = None
        self.q_goal = None
        self.x_goal = None
        self.x_Glob = None

        self.walls = []

        # GRAPHICS
        #  To use graphics you need a module 'Graphics.py', to not use graphics, use graphics = 0
        self.initiateGraphics(graphics, id_frame)
Exemplo n.º 3
0
    def __init__(self,
                 graphics=Graphics.Basic(),
                 id_frame=0,
                 ip_address=None,
                 stiffHS=None,
                 stiffReach=None):
        super(Nao, self).__init__(graphics, id_frame)

        if ip_address is None:
            ip_address = str(raw_input('Enter IP_ADDRESS: '))

        IP_ADRESS = ip_address
        PORT = 9559

        prox = qi.Session()
        prox.connect("tcp://" + IP_ADRESS + ":" + str(PORT))

        self.body = BodyNao.Body(prox)

        self.body.relax()
        time.sleep(4)
        x = self.body.get_x()
        q = self.body.get_q()

        self.x = x
        self.q = q
        self.x_old = copy.deepcopy(x)
        self.q_old = copy.deepcopy(q)
        self.q_goal = copy.deepcopy(q)

        if stiffHS is None:
            stiffHS = body.STIFFNESS
        if stiffReach is None:
            stiffReach = body.STIFFNESS

        self.stiffReach = stiffReach
        self.stiffHS = stiffHS
Exemplo n.º 4
0
    def __init__(self,
                 graphics=Graphics.Basic(),
                 id_frame=0,
                 random_start=False,
                 armLength=1.0,
                 dof=100,
                 q_start=None,
                 wall_setting=-1,
                 nSteps=20,
                 maxStep=1.):
        super(Arm, self).__init__(graphics, id_frame)

        # THE AGENT
        #  General settings
        self.dof = dof  # Degrees of freedom
        self.dim = [2, dof]  # [dim(task), dim(posture)]
        self.segLen = armLength / dof  # Length of an arm segment
        self.aMax = np.pi  # Max angle on joint (<= pi)

        self.wall_setting = wall_setting
        self.armLength = armLength

        #  Start conditions - this is overwritten if 'random_start' or 'm_start' is given.
        aStart = 1. * 4 * np.pi / dof
        self.angles = np.linspace(aStart, aStart / 4, dof)  # Start in a spiral
        self.angle_old = self.angles
        self.angle_drawn = self.angles  # For graphics
        self.root = np.array([0.5, 0.5])  # Position of arm's base
        self.angleStart = copy.deepcopy(self.angles)
        self.angleGoal = np.zeros(dof)  # start by unfolding

        # THE UPDATES
        self.firstRound = True
        self.updateSteps = nSteps
        self.stepsLeft = nSteps  # Number of steps of motion
        self.maxStep = maxStep  # How far a joint can travel in one transition (speedlimit)

        # THE ENVIRONMENT
        cW = 0.2  # corridor width
        wW = 0.02  # wall thickness

        self.walls = np.array([[0, 0, 0, 0]])

        choice = wall_setting  # Add walls
        if choice == 0:
            self.walls = np.array([[.2, .2, .2, .2]])
        elif choice == 1:
            self.walls = np.array([[1 - cW - wW, 2 * cW, wW, 2 * cW],
                                   [0., 4 * cW, 1 - cW, wW]])
        elif choice == 2:
            cW = 1. / 6
            self.walls = np.array([[cW, 1.5 * cW, wW, 1 - 3 * cW],
                                   [1 - wW - cW, 1.5 * cW, wW, 1 - 3 * cW]])
        elif choice == 3:
            self.walls = np.array([[1.5 * cW, cW, 1 - 3 * cW, wW],
                                   [1.5 * cW, 1 - wW - cW, 1 - 3 * cW, wW],
                                   [cW, 1.5 * cW, wW, 1 - 3 * cW],
                                   [1 - wW - cW, 1.5 * cW, wW, 1 - 3 * cW]])
        elif choice == 4:  # One u-shaped wall above
            self.walls = np.array([[1 - cW - wW, cW, wW, cW],
                                   [cW, cW, 1 - 2 * cW, wW], [cW, cW, wW, cW]])

        elif choice == 5:  # One u-shaped wall bellow
            self.walls = np.array([[cW, 1 - cW - wW, 1 - 2 * cW, wW],
                                   [1 - cW - wW, 1 - 2 * cW, wW, cW],
                                   [cW, 1 - 2 * cW, wW, cW]])

        elif choice == 6:  # Simple wall bellow
            self.walls = np.array([[2 * cW, 1 - cW - wW, cW, wW]])

        elif choice == 7:  # Long wall above
            self.walls = np.array([[cW, 1 - cW, 1 - 2 * cW, wW]])

        elif choice == 8:  # cross
            self.walls = np.array([[.5 - .5 * wW, 0, wW, cW],
                                   [.5 - .5 * wW, 1 - cW, wW, cW],
                                   [0, .5 - .5 * wW, cW, wW],
                                   [1 - cW, .5 - .5 * wW, cW, wW]])

        # INITIAL UPDATE
        if random_start:
            q_start = self.get_random_posture()

            self.angles = self.q2ang(q_start)

        elif q_start is not None:
            self.angles = self.q2ang(q_start)

        else:  # Move arm until it is stopped
            self.step()

        self.firstRound = False