Example #1
0
def main():
    rospy.init_node('Baxter_Env')
    robot = RobotCommander()
    scene = PlanningSceneInterface()
    scene._scene_pub = rospy.Publisher('planning_scene',
                                       PlanningScene,
                                       queue_size=0)
    rospy.sleep(2)

    # centre table
    p1 = PoseStamped()
    p1.header.frame_id = robot.get_planning_frame()
    p1.pose.position.x = 1.  # position of the table in the world frame
    p1.pose.position.y = 0.
    p1.pose.position.z = 0.

    # left table (from baxter's perspective)
    p1_l = PoseStamped()
    p1_l.header.frame_id = robot.get_planning_frame()
    p1_l.pose.position.x = 0.5  # position of the table in the world frame
    p1_l.pose.position.y = 1.
    p1_l.pose.position.z = 0.
    p1_l.pose.orientation.x = 0.707
    p1_l.pose.orientation.y = 0.707

    # right table (from baxter's perspective)
    p1_r = PoseStamped()
    p1_r.header.frame_id = robot.get_planning_frame()
    p1_r.pose.position.x = 0.5  # position of the table in the world frame
    p1_r.pose.position.y = -1.
    p1_r.pose.position.z = 0.
    p1_r.pose.orientation.x = 0.707
    p1_r.pose.orientation.y = 0.707

    # open back shelf
    p2 = PoseStamped()
    p2.header.frame_id = robot.get_planning_frame()
    p2.pose.position.x = 1.2  # position of the table in the world frame
    p2.pose.position.y = 0.0
    p2.pose.position.z = 0.75
    p2.pose.orientation.x = 0.5
    p2.pose.orientation.y = -0.5
    p2.pose.orientation.z = -0.5
    p2.pose.orientation.w = 0.5

    pw = PoseStamped()
    pw.header.frame_id = robot.get_planning_frame()

    # add an object to be grasped
    p_ob1 = PoseStamped()
    p_ob1.header.frame_id = robot.get_planning_frame()
    p_ob1.pose.position.x = .92
    p_ob1.pose.position.y = 0.3
    p_ob1.pose.position.z = 0.89

    # the ole duck
    p_ob2 = PoseStamped()
    p_ob2.header.frame_id = robot.get_planning_frame()
    p_ob2.pose.position.x = 0.87
    p_ob2.pose.position.y = -0.4
    p_ob2.pose.position.z = 0.24

    # clean environment
    scene.remove_world_object("table_center")
    scene.remove_world_object("table_side_left")
    scene.remove_world_object("table_side_right")
    scene.remove_world_object("shelf")
    scene.remove_world_object("wall")
    scene.remove_world_object("part")
    scene.remove_world_object("duck")

    rospy.sleep(1)

    scene.add_box("table_center", p1,
                  size=(.5, 1.5, 0.4))  # dimensions of the table
    scene.add_box("table_side_left", p1_l, size=(.5, 1.5, 0.4))
    scene.add_box("table_side_right", p1_r, size=(.5, 1.5, 0.4))
    scene.add_mesh(
        "shelf",
        p2,
        "/home/nikhildas/ros_ws/baxter_interfaces/baxter_moveit_config/baxter_scenes/bookshelf_light.stl",
        size=(.025, .01, .01))
    scene.add_plane("wall", pw, normal=(0, 1, 0))

    part_size = (0.07, 0.05, 0.12)
    scene.add_box("part", p_ob1, size=part_size)
    scene.add_mesh(
        "duck",
        p_ob2,
        "/home/nikhildas/ros_ws/baxter_interfaces/baxter_moveit_config/baxter_scenes/duck.stl",
        size=(.001, .001, .001))

    rospy.sleep(1)

    print(scene.get_known_object_names())

    ## ---> SET COLOURS

    table_color = color_norm([105, 105,
                              105])  # normalize colors to range [0, 1]
    shelf_color = color_norm([139, 69, 19])
    duck_color = color_norm([255, 255, 0])

    _colors = {}

    setColor('table_center', _colors, table_color, 1)
    setColor('table_side_left', _colors, table_color, 1)
    setColor('table_side_right', _colors, table_color, 1)
    setColor('shelf', _colors, shelf_color, 1)
    setColor('duck', _colors, duck_color, 1)
    sendColors(_colors, scene)
Example #2
0
    p.pose.position.x = 0
    p.pose.position.y = 0.8
    p.pose.position.z = 0.1
    p.pose.orientation.w = 1.0
    scene.add_sphere("ball", p, 0.1)

    p.pose.position.x = 0
    p.pose.position.y = 0
    p.pose.position.z = -0.1
    scene.add_box("table", p, (1.0, 2.6, 0.2))

    p.pose.position.x = 0
    p.pose.position.y = 0
    p.pose.position.z = -0.4
    scene.add_plane("ground_plane", p)

    rospy.sleep(20)

    ## We can get the name of the reference frame for this robot
    print ">>>>> Reference frame: %s" % group.get_planning_frame()
    print ">>>>> Printing robot state"
    print robot.get_current_state()

    print ">>>>> Printing robot pose"
    print group.get_current_pose()

    ## Planning to a Pose goal
    print ">>>>> Generating plan"
    pose_target = geometry_msgs.msg.Pose()
    #pose_target.orientation.w = 1.0
Example #3
0
def init():
    global marker_array_pub, marker_pub, tf_broadcaster, tf_listener
    global move_group, turntable
    global camera_mesh, camera_pos, camera_size, min_distance, max_distance, num_positions, num_spins, object_size, photobox_pos, photobox_size, reach, simulation, test, turntable_pos, working_dir

    rospy.init_node('acquisition')

    camera_mesh = rospy.get_param('~camera_mesh', None)
    camera_orientation = rospy.get_param('~camera_orientation', None)
    camera_pos = rospy.get_param('~camera_pos', [0.0, 0.0, 0.0])
    camera_size = rospy.get_param('~camera_size', [0.1, 0.1, 0.1])
    min_distance = rospy.get_param('~min_distance', 0.2)
    max_distance = rospy.get_param('~max_distance', min_distance)
    max_velocity = rospy.get_param('~max_velocity', 0.1)
    num_positions = rospy.get_param('~num_positions', 15)
    num_spins = rospy.get_param('~num_spins', 8)
    object_size = numpy.array(rospy.get_param('~object_size', [0.2, 0.2, 0.2]))
    photobox_pos = rospy.get_param('~photobox_pos', [0.0, -0.6, 0.0])
    photobox_size = rospy.get_param('~photobox_size', [0.7, 0.7, 1.0])
    ptpip = rospy.get_param('~ptpip', None)
    reach = rospy.get_param('~reach', 0.85)
    simulation = '/gazebo' in get_node_names()
    test = rospy.get_param('~test', True)
    turntable_pos = rospy.get_param(
        '~turntable_pos', photobox_pos[:2] + [photobox_pos[2] + 0.05])
    turntable_radius = rospy.get_param('~turntable_radius', 0.2)
    wall_thickness = rospy.get_param('~wall_thickness', 0.04)

    marker_array_pub = rospy.Publisher('visualization_marker_array',
                                       MarkerArray,
                                       queue_size=1,
                                       latch=True)
    marker_pub = rospy.Publisher('visualization_marker',
                                 Marker,
                                 queue_size=1,
                                 latch=True)
    tf_broadcaster = tf.TransformBroadcaster()
    tf_listener = tf.TransformListener()

    move_group = MoveGroupCommander('manipulator')
    move_group.set_max_acceleration_scaling_factor(
        1.0 if simulation else max_velocity)
    move_group.set_max_velocity_scaling_factor(
        1.0 if simulation else max_velocity)

    robot = RobotCommander()

    scene = PlanningSceneInterface(synchronous=True)

    try:
        st_control = load_source(
            'st_control',
            os.path.join(RosPack().get_path('iai_scanning_table'), 'scripts',
                         'iai_scanning_table', 'st_control.py'))
        turntable = st_control.ElmoUdp()
        if turntable.check_device():
            turntable.configure()
            turntable.reset_encoder()
            turntable.start_controller()
            turntable.set_speed_deg(30)
    except Exception as e:
        print(e)
        sys.exit('Could not connect to turntable.')

    if simulation:
        move_home()
    elif not test:
        working_dir = rospy.get_param('~working_dir', None)

        if working_dir is None:
            sys.exit('Working directory not specified.')
        elif not camera.init(
                os.path.join(os.path.dirname(os.path.abspath(__file__)), '..',
                             'out', working_dir, 'images'), ptpip):
            sys.exit('Could not initialize camera.')

    # add ground plane
    ps = PoseStamped()
    ps.header.frame_id = robot.get_planning_frame()
    scene.add_plane('ground', ps)

    # add photobox
    ps.pose.position.x = photobox_pos[
        0] + photobox_size[0] / 2 + wall_thickness / 2
    ps.pose.position.y = photobox_pos[1]
    ps.pose.position.z = photobox_pos[2] + photobox_size[2] / 2
    scene.add_box('box_wall_left', ps,
                  (wall_thickness, photobox_size[1], photobox_size[2]))

    ps.pose.position.x = photobox_pos[
        0] - photobox_size[0] / 2 - wall_thickness / 2
    ps.pose.position.y = photobox_pos[1]
    ps.pose.position.z = photobox_pos[2] + photobox_size[2] / 2
    scene.add_box('box_wall_right', ps,
                  (wall_thickness, photobox_size[1], photobox_size[2]))

    ps.pose.position.x = photobox_pos[0]
    ps.pose.position.y = photobox_pos[
        1] - photobox_size[1] / 2 - wall_thickness / 2
    ps.pose.position.z = photobox_pos[2] + photobox_size[2] / 2
    scene.add_box('box_wall_back', ps,
                  (photobox_size[0], wall_thickness, photobox_size[2]))

    ps.pose.position.x = photobox_pos[0]
    ps.pose.position.y = photobox_pos[1]
    ps.pose.position.z = photobox_pos[2] - wall_thickness / 2
    scene.add_box('box_ground', ps,
                  (photobox_size[0], photobox_size[1], wall_thickness))

    # add turntable
    turntable_height = turntable_pos[2] - photobox_pos[2]
    ps.pose.position.x = turntable_pos[0]
    ps.pose.position.y = turntable_pos[1]
    ps.pose.position.z = photobox_pos[2] + turntable_height / 2
    scene.add_cylinder('turntable', ps, turntable_height, turntable_radius)

    # add object on turntable
    ps.pose.position.x = turntable_pos[0]
    ps.pose.position.y = turntable_pos[1]
    ps.pose.position.z = turntable_pos[2] + object_size[2] / 2
    scene.add_cylinder('object', ps, object_size[2], max(object_size[:2]) / 2)

    # add cable mounts
    scene.remove_attached_object('upper_arm_link', 'upper_arm_cable_mount')
    scene.remove_attached_object('forearm_link', 'forearm_cable_mount')
    scene.remove_world_object('upper_arm_cable_mount')
    scene.remove_world_object('forearm_cable_mount')

    if ptpip is None and not simulation:
        size = [0.08, 0.08, 0.08]

        ps.header.frame_id = 'upper_arm_link'
        ps.pose.position.x = -0.13
        ps.pose.position.y = -0.095
        ps.pose.position.z = 0.135
        scene.attach_box(ps.header.frame_id, 'upper_arm_cable_mount', ps, size)

        ps.header.frame_id = 'forearm_link'
        ps.pose.position.x = -0.275
        ps.pose.position.y = -0.08
        ps.pose.position.z = 0.02
        scene.attach_box(ps.header.frame_id, 'forearm_cable_mount', ps, size)

    # add camera
    eef_link = move_group.get_end_effector_link()
    ps = PoseStamped()
    ps.header.frame_id = eef_link

    scene.remove_attached_object(eef_link, 'camera_0')
    scene.remove_attached_object(eef_link, 'camera_1')
    scene.remove_world_object('camera_0')
    scene.remove_world_object('camera_1')

    ps.pose.position.y = camera_pos[1]
    ps.pose.position.z = camera_pos[2]

    if camera_mesh:
        ps.pose.position.x = camera_pos[0]

        quaternion = tf.transformations.quaternion_from_euler(
            math.radians(camera_orientation[0]),
            math.radians(camera_orientation[1]),
            math.radians(camera_orientation[2]))
        ps.pose.orientation.x = quaternion[0]
        ps.pose.orientation.y = quaternion[1]
        ps.pose.orientation.z = quaternion[2]
        ps.pose.orientation.w = quaternion[3]

        scene.attach_mesh(eef_link, 'camera_0', ps,
                          os.path.expanduser(camera_mesh), camera_size)
        if not simulation:
            scene.attach_mesh(eef_link, 'camera_1', ps,
                              os.path.expanduser(camera_mesh),
                              numpy.array(camera_size) * 1.5)

        vertices = scene.get_attached_objects(
            ['camera_0'])['camera_0'].object.meshes[0].vertices
        camera_size[0] = max(vertice.x for vertice in vertices) - min(
            vertice.x for vertice in vertices)
        camera_size[1] = max(vertice.y for vertice in vertices) - min(
            vertice.y for vertice in vertices)
        camera_size[2] = max(vertice.z for vertice in vertices) - min(
            vertice.z for vertice in vertices)
    else:
        ps.pose.position.x = camera_pos[0] + camera_size[0] / 2
        scene.attach_box(eef_link, 'camera_0', ps, camera_size)