Example #1
0
def test_ik():
    sim = simulator.Simulator(view=True)
    larm = arm.Arm('left', sim=sim)
    larm.set_posture('mantis')
    rarm = arm.Arm('right', sim=sim)
    rarm.set_posture('mantis')

    pose = rarm.get_pose()
    position = pose.position

    while True:
        point = pose.position + np.array([
            np.random.uniform(0, 1),
            np.random.uniform(-.3, .3),
            np.random.uniform(-.5, -.2)
        ])
        sim.plot_point(sim.transform_from_to(point.array, 'base_link',
                                             'world'),
                       color=(0, 1, 0),
                       size=.1)

        joints = rarm.ik_lookat(position, point)
        if joints is not None:
            rarm.set_joints(joints)
        else:
            print('Joints is None')

        sim.plot_transform(
            sim.transform_from_to(np.array(rarm.get_pose().matrix),
                                  'base_link', 'world'))
        raw_input()
        sim.clear_plots()
Example #2
0
def extract_all():
    larm = arm.Arm('left', view=False)
    rarm = arm.Arm('right', view=False)

    for f in os.listdir(data_folder):
        f = data_folder + f
        if f.endswith('.bag'):
            print('Extracting info from: {0}'.format(f))

            extract_info_from_bag(f, larm if 'push' in f else rarm)
Example #3
0
    def __init__(self):
        self.pc = None
        self.pc_sub = rospy.Subscriber('/cloud_pcd', sm.PointCloud2,
                                       self._pc_callback)

        self.sim = simulator.Simulator(view=True)
        self.rarm = arm.Arm('right', sim=self.sim)
        self.larm = arm.Arm('left', sim=self.sim)
        self.cam = camera.Camera(self.arm, self.sim)

        self.rarm.set_posture('mantis')
        self.larm.set_posture('mantis')
Example #4
0
def test_gripper_center_frame():
    sim = simulator.Simulator(view=True)
    larm = arm.Arm('left', sim=sim)
    larm.set_posture('mantis')
    rarm = arm.Arm('right', sim=sim)
    rarm.set_posture('mantis')

    print('Showing r_gripper_tool_frame')
    sim.plot_transform(
        sim.robot.GetLink('r_gripper_tool_frame').GetTransform())
    raw_input()

    print('Showing r_gripper_center_frame')
    sim.plot_transform(
        sim.robot.GetLink('r_gripper_center_frame').GetTransform())
    raw_input()
Example #5
0
def test_return_from_grasp_planner():
    sim = simulator.Simulator(view=True)
    rarm = arm.Arm('right', sim=sim)
    p = planner.Planner('right', sim=sim)

    rarm.set_posture('mantis')
    curr_pose = rarm.get_pose()
    curr_pose.orientation = tfx.tb_angles(0, 0, 180)
    rarm.set_pose(curr_pose)

    target_pose = rarm.get_pose() + [0.5, 0.4, -0.3]
    target_pose.orientation *= tfx.tb_angles(25, -20, 10)
    sim.plot_transform(target_pose.matrix)

    start_joints = rarm.get_joints()
    n_steps = 40
    joint_traj = p.get_return_from_grasp_joint_trajectory(start_joints,
                                                          target_pose,
                                                          n_steps=n_steps)

    poses = [tfx.pose(rarm.fk(joints)) for joints in joint_traj]
    for pose in poses:
        sim.plot_transform(pose.matrix)

    print('Press enter to exit')
    raw_input()
Example #6
0
def test_grasp_planner():
    sim = simulator.Simulator(view=True)
    rarm = arm.Arm('right', sim=sim)
    p = planner.Planner('right', sim=sim)

    rarm.set_posture('mantis')
    curr_pose = rarm.get_pose()
    curr_pose.orientation = tfx.tb_angles(0, 0, 180)
    rarm.set_pose(curr_pose)

    target_pose = rarm.get_pose() + [0.5, 0.4, -0.3]
    target_pose.orientation *= tfx.tb_angles(25, -20, 10)
    sim.plot_transform(target_pose.matrix)

    start_joints = rarm.get_joints()
    n_steps = 20
    joint_traj = p.get_grasp_joint_trajectory(
        start_joints,
        target_pose,
        n_steps=n_steps,
        ignore_orientation=True,
        link_name='r_gripper_center_frame')

    poses = [tfx.pose(rarm.fk(joints)) for joints in joint_traj]
    for pose in poses:
        sim.plot_transform(pose.matrix)

    for n in xrange(n_steps - 1):
        angle = (poses[n].orientation.inverse() * poses[-1].orientation).angle
        print('angle[{0}]: {1}'.format(n, angle))

    #IPython.embed()

    print('Press enter to exit')
    raw_input()
Example #7
0
def test_kinect():
    sim = simulator.Simulator(view=True)

    larm = arm.Arm('left', sim=sim)
    rarm = arm.Arm('right', sim=sim)
    sim.add_box(rarm.get_pose(), [.5, .5, .5])

    larm.set_posture('mantis')
    rarm.set_posture('mantis')

    manip_links = [
        l for l in sim.robot.GetLinks()
        if l not in rarm.manip.GetIndependentLinks()
    ]

    while True:
        print('Press "q" to exit')
        if (utils.Getch.getch() == 'q'):
            break

        rarm.teleop()
        is_coll = max([sim.env.CheckCollision(l) for l in manip_links])
        print('Is in collision: {0}\n'.format(is_coll))
Example #8
0
    def __init__(self):
        self.pc = None
        self.pc_sub = rospy.Subscriber('/cloud_pcd', sm.PointCloud2,
                                       self._pc_callback)

        self.handle_pose = None
        self.handle_pose_sub = rospy.Subscriber(
            '/handle_detector/avg_handle_poses', gm.PoseArray,
            self._avg_handle_poses_callback)

        self.sim = simulator.Simulator(view=True)
        self.arm = arm.Arm('right', sim=self.sim)
        self.cam = camera.Camera(self.arm, self.sim)

        self.planner = planner.Planner('right', sim=self.sim)
    def __init__(self):
        self.graspable_points = None
        self.table_pose = None
        self.table_extents = None
        self.avg_handle_poses = None
        self.is_reset_kinfu = False
        self.home_pose = None

        min_positions = np.array([0.25, -1, 0.3])
        max_positions = np.array([1, 1, 1.5])
        self.point_cloud_filter = lambda point: min(
            min_positions < point) and min(point < max_positions)
        #         self.point_cloud_filter = lambda point: True

        self.graspable_points_sub = rospy.Subscriber(
            '/kinfu/graspable_points', sm.PointCloud2,
            self._graspable_points_callback)
        self.table_sub = rospy.Subscriber('/kinfu/plane_bounding_box',
                                          pcl_utils.msg.BoundingBox,
                                          self._table_callback)
        self.avg_handle_poses_sub = rospy.Subscriber(
            '/handle_detector/avg_handle_poses', gm.PoseArray,
            self._avg_handle_poses_callback)
        self.reset_kinfu_sub = rospy.Subscriber('/kinfu/reset',
                                                std_msgs.msg.Empty,
                                                self._reset_kinfu_callback)
        self.home_pose_sub = rospy.Subscriber('/bsp/home_pose', gm.PoseStamped,
                                              self._home_pose_callback)

        self.grasp_joint_traj_pub = rospy.Publisher(
            '/check_handle_grasp/grasp_joint_trajectory', tm.JointTrajectory)
        self.return_grasp_joint_traj_pub = rospy.Publisher(
            '/check_handle_grasp/return_grasp_joint_trajectory',
            tm.JointTrajectory)

        self.sim = simulator.Simulator(view=True)
        self.arm = arm.Arm('right', sim=self.sim)
        self.planner = planner.Planner('right', sim=self.sim)

        self.arm.set_posture('mantis')
        self.home_pose = self.arm.get_pose()

        rospy.sleep(0.5)
        self.sim.update()
Example #10
0
    rarm = arm.Arm('right', view=False)

    for f in os.listdir(data_folder):
        f = data_folder + f
        if f.endswith('.bag'):
            print('Extracting info from: {0}'.format(f))

            extract_info_from_bag(f, larm if 'push' in f else rarm)


#########
# TESTS #
#########

if __name__ == '__main__':
    rospy.init_node('analyze_data', anonymous=True)

    parser = argparse.ArgumentParser()
    parser.add_argument('bag_name')

    args = parser.parse_args(rospy.myargv()[1:])

    if args.bag_name == 'all':
        extract_all()
    else:
        extract_info_from_bag(data_folder + args.bag_name,
                              arm.Arm('left', view=False))

    print('Press enter to exit')
    raw_input()
Example #11
0
def test_gradient_sd():
    sim = simulator.Simulator(view=True)
    larm = arm.Arm('left', sim=sim)
    larm.set_posture('mantis')
    rarm = arm.Arm('right', sim=sim)
    rarm.set_posture('mantis')

    cam = camera.Camera(rarm, sim)
    #     triangles3d = []
    #     triangles3d = [geometry3d.Triangle([.7,0,.8],[.7,0,1.1],[.7,-.3,.7])]
    #     triangles3d = [geometry3d.Triangle([.5,0,.5],[.8,0,.6],[.5,-.3,.9])]
    #     triangles3d = [geometry3d.Triangle([np.random.uniform(.2,.5), np.random.uniform(-.5,0), np.random.uniform(.25,.75)],
    #                                        [np.random.uniform(.2,.5), np.random.uniform(-.5,0), np.random.uniform(.25,.75)],
    #                                        [np.random.uniform(.2,.5), np.random.uniform(-.5,0), np.random.uniform(.25,.75)]) for _ in xrange(3)]
    table_center = np.array([.2, .7, .5])
    triangles3d = [  #geometry3d.Triangle(table_center, table_center+np.array([.5,-1.4,0]), table_center+np.array([.5,0,0])),
        #geometry3d.Triangle(table_center, table_center+np.array([0,-1.4,0]), table_center+np.array([.5,-1.4,0])),
        geometry3d.Triangle(table_center + np.array([.25, -.7, 0]),
                            table_center + np.array([.25, -.7, .2]),
                            table_center + np.array([.25, -1.2, 0])),
        geometry3d.Triangle(table_center + np.array([.25, -1.2, 0]),
                            table_center + np.array([.25, -.7, .2]),
                            table_center + np.array([.25, -1.2, .2]))
    ]

    #     point = np.array([0.5, 0.7, 0.66]) # sd: 0.115138180967
    #     point = np.array([0.5, -2, 0.66])
    point = np.array([0.640, -0.170, 0.560])  # sd: 0.0189611173538
    j = rarm.get_joints()

    while True:
        sim.clear_plots()
        sim.plot_point(sim.transform_from_to(point, 'base_link', 'world'),
                       size=.02,
                       color=(0, 0, 1))
        cam.plot(frame='base_link')
        for tri3d in triangles3d:
            tri3d.plot(sim, frame='base_link', fill=True)

        sd = 0  #signed_distance(j, point, triangles3d, rarm, cam, plot=False)
        start = time.time()
        sd_grad = signed_distance_grad(j, point, triangles3d, rarm, cam)
        elapsed = time.time() - start

        start = time.time()
        sd_grad_fast = fast_signed_distance_grad(j, point, triangles3d, rarm,
                                                 cam)
        fast_elapsed = time.time() - start

        print('sd: {0}'.format(sd))
        print('sd_grad: {0}'.format(sd_grad))
        print('sd_grad_fast: {0}'.format(sd_grad_fast))
        print('sd_grad diff: {0}'.format(np.linalg.norm(sd_grad -
                                                        sd_grad_fast)))
        print('sd_grad time: {0}'.format(elapsed))
        print('sd_grad_fast time: {0}'.format(fast_elapsed))

        print('Press enter to continue (or "q" to exit)')
        char = utils.Getch.getch()
        if char == 'q':
            break

        j -= (np.pi / 64.) * (sd_grad / np.linalg.norm(sd_grad))
        rarm.set_joints(j)