def apply(self, pose):
        if self.prev_pose == None:
            self.prev_pose = pose.copy()
            return pose

        self.prev_pose = RigidTransform.interpolate(self.prev_pose, pose, self.alpha)
        return self.prev_pose.copy()
def view_segmentation(mesh, n_segs):
    seg_graph = SegmentGraph(FaceGraph(mesh))
    seg_graph.cut_to_k_segments(n_segs)
    seg_graph.reindex_segment_nodes()

    seg_graph.refine_all_edges(0.4)

    Visualizer3D.figure(size=(100, 100))
    for i, seg_node in enumerate(seg_graph.segment_nodes):
        segment = Segment(seg_node, mesh)
        Visualizer3D.mesh(segment.mesh,
                          style='surface',
                          color=indexed_color(i))
    Visualizer3D.show()

    seg_map = {}
    n_segs -= 1
    while n_segs > 2:
        n_segs -= 1
        seg_graph.cut_to_k_segments(n_segs)
        for seg_node in seg_graph.segment_nodes:
            if (frozenset(seg_node.segment_indices) not in seg_map):
                segment = Segment(seg_node, mesh)
                seg_map[frozenset(seg_node.segment_indices)] = segment

    for i, segment in enumerate(
            sorted(seg_map.values(), key=lambda x: -x.cut_cost / x.perimeter)):
        print segment.cut_cost / segment.perimeter
        Visualizer3D.mesh(
            segment.mesh,
            style='surface',
            color=indexed_color(i),
            T_mesh_world=RigidTransform(translation=[0.15, 0, 0]))
        Visualizer3D.show()
Exemple #3
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    def get_pose(self, raw_res=False):
        '''Get the current pose of this arm to base frame of the arm.
        Parameters
        ----------
        raw_res : bool, optional
                If True, will return raw_res namedtuple instead of YuMiState
                Defaults to False

        Returns
        -------
        out :
            RigidTransform if raw_res is False

            _RES(raw_res, pose) namedtuple if raw_res is True

        Raises
        ------
        YuMiCommException
            If communication times out or socket error.
        '''
        if self._debug:
            return RigidTransform(from_frame=self._from_frame,
                                  to_frame=self._to_frame)

        req = YuMiArm._construct_req('get_pose')
        res = self._request(req, True)

        if res is not None:
            pose = message_to_pose(res.message, self._from_frame)
            if raw_res:
                return _RES(res, pose)
            else:
                return pose
Exemple #4
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def message_to_pose(message, from_frame='yumi'):
    tokens = message.split()
    try:
        if len(tokens) != 7:
            raise Exception(
                "Invalid format for pose! Got:\n{0}".format(message))
        pose_vals = [float(token) for token in tokens]
        q = pose_vals[3:]
        t = pose_vals[:3]
        R = RigidTransform.rotation_from_quaternion(q)
        pose = RigidTransform(R, t, from_frame=from_frame)
        pose.position = pose.position * MM_TO_METERS

        return pose

    except Exception, e:
        logging.error(e)
    def apply(self, pose):
        if self.prev_pose == None:
            self.prev_pose = pose.copy()
            return pose

        self.prev_pose = RigidTransform.interpolate(self.prev_pose, pose,
                                                    self.alpha)
        return self.prev_pose.copy()
Exemple #6
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    def _reset_init_poses(self, yumi_pose):
        rospy.loginfo("Reset Init Pose for {} at {}".format(
            self.pub_name,
            time() - START_TIME))
        rospy.loginfo('Received yumi pose for {} is {}'.format(
            self.pub_name, yumi_pose.translation))
        self.cb_prop_q.put({'has_zeroed': False})

        self.T_mz_cu_t = RigidTransform(from_frame=self._clutch('up'),
                                        to_frame='masters_zero')
        self.T_w_cu_t = self.T_w_mc.as_frames(self._clutch('up'), 'world')
        self.T_mzr_mz = RigidTransform(rotation=self.T_w_cu_t.rotation,
                                       from_frame='masters_zero',
                                       to_frame='masters_zero_ref')
        self.T_mc_mcr = RigidTransform(
            rotation=self.T_w_cu_t.inverse().rotation,
            from_frame='masters_current_ref',
            to_frame='masters_current')

        self.T_w_yi = yumi_pose.copy()
        self.T_yi_yir = RigidTransform(rotation=self.T_w_yi.inverse().rotation,
                                       from_frame='yumi_init_ref',
                                       to_frame='yumi_init')
        self.T_ycr_yc = RigidTransform(rotation=self.T_w_yi.rotation,
                                       from_frame='yumi_current',
                                       to_frame='yumi_current_ref')

        self.cb_prop_q.put({
            'T_w_cu_t': self.T_w_cu_t,
            'T_mzr_mz': self.T_mzr_mz,
            'T_mc_mcr': self.T_mc_mcr,
            'T_w_yi': self.T_w_yi,
            'T_yi_yir': self.T_yi_yir,
            'T_ycr_yc': self.T_ycr_yc
        })

        self.cb_prop_q.put({'has_zeroed': True})

        rospy.loginfo("Done Init Pose for {} at {}".format(
            self.pub_name,
            time() - START_TIME))
Exemple #7
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def ros_pose_to_T(ros_pose, from_frame, to_frame):
    translation = [
        ros_pose.position.x, ros_pose.position.y, ros_pose.position.z
    ]
    rotation = [
        ros_pose.orientation.w, ros_pose.orientation.x, ros_pose.orientation.y,
        ros_pose.orientation.z
    ]

    T = RigidTransform(rotation=rotation,
                       translation=translation,
                       from_frame=from_frame,
                       to_frame=to_frame)
    return T
Exemple #8
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def contacts_to_baxter_hand_pose(contact1, contact2):
    c1 = np.array(contact1)
    c2 = np.array(contact2)

    # compute gripper center and axis
    center = 0.5 * (c1 + c2)
    y_axis = c2 - c1
    y_axis = y_axis / np.linalg.norm(y_axis)
    z_axis = np.array([y_axis[1], -y_axis[0], 0]) # the z axis will always be in the table plane for now
    z_axis = z_axis / np.linalg.norm(z_axis)
    x_axis = np.cross(y_axis, z_axis)

    # convert to hand pose
    R_obj_gripper = np.array([x_axis, y_axis, z_axis]).T
    t_obj_gripper = center
    return RigidTransform(rotation=R_obj_gripper, 
                          translation=t_obj_gripper,
                          from_frame='gripper',
                          to_frame='obj')
Exemple #9
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    def _clutch_callback(self, msg):
        if not self.has_zeroed:
            return

        clutch_down = msg.data

        if clutch_down:
            self._clutch_i += 1
            rospy.loginfo("Got clutch down: {0}".format(self._clutch_i))
            # clutch down
            self.T_w_cd_t1 = self.T_w_mc.as_frames(self._clutch('down'),
                                                   'world')
        else:
            # clutch up
            rospy.loginfo("Updating clutch up for {0}".format(self._clutch_i))
            self.T_mz_cu_t = self.T_mz_cu_t * self.T_w_cu_t.inverse() * \
                               self.T_w_cd_t1 * RigidTransform(from_frame=self._clutch('up'), to_frame=self._clutch('down'))

            # updating last known clutch up pose
            self.T_w_cu_t = self.T_w_mc.as_frames(self._clutch('up'), 'world')

        self.clutch_state = clutch_down
Exemple #10
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target poses for the YuMi.
Meant to operate along yumi_teleop_client and yumi_teleop_host
Author: Jacky Liang
"""
import rospy, os
from std_msgs.msg import Bool
from geometry_msgs.msg import Pose
from time import time
from masters_control.srv import pose_str
import numpy as np
from core import RigidTransform
from yumi_teleop import T_to_ros_pose, ros_pose_to_T
from multiprocessing import Queue

_T_MC_YCR = RigidTransform(rotation=[[0, -1, 0], [1, 0, 0], [0, 0, 1]],
                           from_frame='yumi_current_ref',
                           to_frame='masters_current')

_T_YIR_MI = RigidTransform(rotation=[[0, 1, 0], [-1, 0, 0], [0, 0, 1]],
                           from_frame='masters_init',
                           to_frame='yumi_init_ref')

START_TIME = time()


class MastersYuMiConnector:
    def __init__(self, name):
        self.clutch_state = False
        self._clutch_i = 0

        # masters reference poses
 def __init__(self, name, ar_marker, R_ar_obj=np.eye(3), t_ar_obj=np.zeros(3)):
     self.ar_marker = ar_marker
     self.T_ar_obj = RigidTransform(rotation=R_ar_obj, translation=t_ar_obj,
                                    from_frame=name, to_frame=ar_marker)
Exemple #12
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class YuMiConstants:

    IP = '192.168.125.1'

    PORTS = {
        "left": {
            "server": 5000,
            "states": 5010,
            "poses": 5012,
            "torques": 5014
        },
        "right": {
            "server": 5001,
            "states": 5011,
            "poses": 5013,
            "torques": 5015
        },
    }

    BUFSIZE = 4096
    MOTION_TIMEOUT = 8
    COMM_TIMEOUT = 5
    PROCESS_TIMEOUT = 10
    PROCESS_SLEEP_TIME = 0.01

    GRASP_COUNTER_PATH = '/home/autolab/Public/alan/grasp_counts'

    # used to rate limit real-time YuMi controls (in seconds)
    COMM_PERIOD = 0.04

    DEBUG = False
    LOGGING_LEVEL = logging.DEBUG

    # reset mechanism
    RESET_RIGHT_COMM = '/dev/ttyACM0'
    RESET_BAUDRATE = 115200

    CMD_CODES = {
        'ping': 0,
        'goto_pose_linear': 1,
        'goto_joints': 2,
        'get_pose': 3,
        'get_joints': 4,
        'goto_pose': 5,
        'set_tool': 6,
        'set_speed': 8,
        'set_zone': 9,
        'goto_pose_sync': 11,
        'goto_joints_sync': 12,
        'goto_pose_delta': 13,
        'close_gripper': 20,
        'open_gripper': 21,
        'calibrate_gripper': 22,
        'set_gripper_max_speed': 23,
        'set_gripper_force': 24,
        'move_gripper': 25,
        'get_gripper_width': 26,
        'set_circ_point': 35,
        'move_by_circ_point': 36,
        'buffer_add': 30,
        'buffer_clear': 31,
        'buffer_size': 32,
        'buffer_move': 33,
        'is_pose_reachable': 40,
        'is_joints_reachable': 41,
        'close_connection': 99,
        'reset_home': 100,
    }

    RES_CODES = {'failure': 0, 'success': 1}

    SUB_CODES = {'pose': 0, 'state': 1}
    MOVEIT_PLANNER_IDS = {
        'SBL': 'SBLkConfigDefault',
        'EST': 'ESTkConfigDefault',
        'LBKPIECE': 'LBKPIECEkConfigDefault',
        'BKPIECE': 'BKPIECEkConfigDefault',
        'KPIECE': 'KPIECEkConfigDefault',
        'RRT': 'RRTkConfigDefault',
        'RRTConnect': 'RRTConnectkConfigDefault',
        'RRTstar': 'RRTstarkConfigDefault',
        'TRRT': 'TRRTkConfigDefault',
        'PRM': 'PRMkConfigDefault',
        'PRMstar': 'PRMstarkConfigDefault'
    }
    MOVEIT_PLANNING_REFERENCE_FRAME = 'yumi_body'

    ROS_TIMEOUT = 10

    T_GRIPPER_HAND = RigidTransform(translation=[0, 0, -0.157],
                                    from_frame='gripper',
                                    to_frame='gripper')

    TCP_ABB_GRIPPER = RigidTransform(translation=[0, 0, 0.136])
    TCP_ABB_GRASP_GRIPPER = RigidTransform(translation=[0, 0, 0.136 - 0.0065])
    TCP_LONG_GRIPPER = RigidTransform(
        translation=[0, 0, (136 - 56 + 88 - 12) / 1000.])
    TCP_DEFAULT_GRIPPER = RigidTransform(
        translation=[0, 0, (136 - 56 + 88 - 12) / 1000.])

    L_HOME_STATE = YuMiState([0, -130, 30, 0, 40, 0, 135])
    L_HOME_POSE = RigidTransform(
        translation=[0.123, 0.147, 0.124],
        rotation=[0.06551, 0.84892, -0.11147, 0.51246])

    R_HOME_STATE = YuMiState([0, -130, 30, 0, 40, 0, -135])
    R_HOME_POSE = RigidTransform(
        translation=[-0.0101, -0.1816, 0.19775],
        rotation=[-0.52426, 0.06481, -0.84133, -0.11456])

    R_FORWARD_STATE = YuMiState(
        [9.66, -133.36, 34.69, -13.19, 28.85, 28.81, -110.18])
    R_FORWARD_POSE = RigidTransform(
        translation=[0.07058, -0.26519, 0.19775],
        rotation=[-0.52425, 0.0648, -0.84133, -0.11454])

    R_AWAY_POSE = RigidTransform(translation=[0.15, -0.4, 0.22],
                                 rotation=[0.38572, 0.39318, 0.60945, 0.57027])
    L_AWAY_POSE = RigidTransform(
        translation=[0.30, 0.12, 0.16],
        rotation=[0.21353, -0.37697, 0.78321, -0.44596])

    AXIS_ALIGNED_STATES = {
        'inwards': {
            'right': YuMiState([75, -90, 0, -30, 90, -10, -45]),
            'left': YuMiState([-75, -90, 0, 30, 90, 10, 45])
        },
        'forwards': {
            'right':
            YuMiState([36.42, -117.3, 35.59, 50.42, 46.19, 66.02, -100.28]),
            'left':
            YuMiState([-36.42, -117.3, 35.59, -50.42, 46.19, 113.98, 100.28])
        },
        'downwards': {
            'right':
            YuMiState([-60.0, -110.0, 35.0, 116.0, 100.0, -90.0, 30.0]),
            'left':
            YuMiState([60.0, -110.0, 35.0, -116.0, 100.0, -90.0, -30.0])
        }
    }

    L_THINKING_POSES = [
        RigidTransform(translation=[0.32, 0.12, 0.16],
                       rotation=[0.21353, -0.37697, 0.78321, -0.44596]),
        RigidTransform(translation=[0.30, 0.10, 0.16],
                       rotation=[0.21353, -0.37697, 0.78321, -0.44596]),
        RigidTransform(translation=[0.28, 0.12, 0.16],
                       rotation=[0.21353, -0.37697, 0.78321, -0.44596]),
        RigidTransform(translation=[0.30, 0.14, 0.16],
                       rotation=[0.21353, -0.37697, 0.78321, -0.44596])
    ]

    R_READY_STATE = YuMiState(
        [51.16, -99.4, 21.57, -107.19, 84.11, 94.61, -36.00])
    L_READY_STATE = YuMiState(
        [-51.16, -99.4, 21.57, 107.19, 84.11, 94.61, 36.00])

    L_PREGRASP_POSE = RigidTransform(
        translation=[0.30, 0.20, 0.16],
        rotation=[0.21353, -0.37697, 0.78321, -0.44596])

    L_KINEMATIC_AVOIDANCE_POSE = RigidTransform(
        translation=[0.45, -0.05, 0.15], rotation=[0, 0, 1, 0])

    L_RAISED_STATE = YuMiState(
        [5.5, -99.46, 20.52, -21.03, 67, -22.31, 110.11])
    L_RAISED_POSE = RigidTransform(
        translation=[-0.0073, 0.39902, 0.31828],
        rotation=[0.54882, 0.07398, 0.82585, -0.10630])

    L_FORWARD_STATE = YuMiState(
        [-21.71, -142.45, 43.82, 31.14, 10.43, -40.67, 106.63])
    L_FORWARD_POSE = RigidTransform(
        translation=[0.13885, 0.21543, 0.19774],
        rotation=[0.55491, 0.07064, 0.82274, -0.1009])

    L_PREDROP_POSE = RigidTransform(
        translation=[0.55, 0.0, 0.20],
        rotation=[0.09815, -0.20528, 0.97156, -0.06565])
    L_PACKAGE_DROP_POSES = [
        RigidTransform(translation=[0.33, 0.42, 0.25],
                       rotation=[0.09078, -0.31101, 0.91820, -0.22790]),
        RigidTransform(translation=[0.33, 0.33, 0.25],
                       rotation=[0.09078, -0.31101, 0.91820, -0.22790]),
        RigidTransform(translation=[0.23, 0.33, 0.25],
                       rotation=[0.09078, -0.31101, 0.91820, -0.22790]),
        RigidTransform(translation=[0.23, 0.42, 0.25],
                       rotation=[0.09078, -0.31101, 0.91820, -0.22790])
    ]
    L_REJECT_DROP_POSES = [
        RigidTransform(translation=[0.60, 0.42, 0.23],
                       rotation=[0.09078, -0.31101, 0.91820, -0.22790]),
        RigidTransform(translation=[0.60, 0.35, 0.23],
                       rotation=[0.09078, -0.31101, 0.91820, -0.22790]),
        RigidTransform(translation=[0.54, 0.35, 0.23],
                       rotation=[0.09078, -0.31101, 0.91820, -0.22790]),
        RigidTransform(translation=[0.54, 0.42, 0.23],
                       rotation=[0.09078, -0.31101, 0.91820, -0.22790])
    ]

    BOX_CLOSE_SEQUENCE = [
        #('L', RigidTransform(translation=[0.071, 0.385, 0.118], rotation=[0.06744, 0.84050, -0.11086, 0.52604])),
        #('L', RigidTransform(translation=[0.213, 0.385, 0.118], rotation=[0.06744, 0.84050, -0.11086, 0.52604])),
        #('L', RigidTransform(translation=[0.213, 0.385, 0.156], rotation=[0.06744, 0.84050, -0.11086, 0.52604])),
        #('L', RigidTransform(translation=[0.323, 0.385, 0.156], rotation=[0.06744, 0.84050, -0.11086, 0.52604])),
        #('L', RigidTransform(translation=[0.323, 0.385, 0.144], rotation=[0.06744, 0.84050, -0.11086, 0.52604])),
        ('R', [0, 0.300, 0]),
        ('R', [0.100, 0, 0]),
        ('R',
         YuMiState([111.30, -65.37, -29.93, -50.53, 65.41, -94.59, -68.84])),
        ('R', YuMiState([147.13, -76.28, -58.98, -13.85, 54.95, 54.95,
                         -96.95])),
        ('R', [0, 0, 0.070]),
        ('R', [-0.074, 0, 0]),
        ('R', [0, -0.012, 0]),
        ('R', [0, 0, -0.040]),
        ('R', YuMiState([132.32, -56.98, -8.13, -72.42, 36.44, 135.16,
                         -99.36])),
        ('R',
         YuMiState([146.72, -57.09, -9.44, -101.74, 69.26, 155.98, -98.41])),
        ('R',
         YuMiState([168.36, -64.12, -23.60, -118.0, 97.50, 163.97, -102.95])),
        ('R',
         YuMiState([168.37, -59.60, 2.63, -146.15, 95.29, 199.63, -129.70])),
        ('R',
         YuMiState([168.37, -82.24, -10.81, -196.49, 115.92, 199.63,
                    -148.06])),
        ('L',
         RigidTransform(translation=[0.323, 0.385, 0.203],
                        rotation=[0.06744, 0.84050, -0.11086, 0.52604])),
        ('L',
         RigidTransform(translation=[0.203, 0.478, 0.203],
                        rotation=[0.06744, 0.84050, -0.11086, 0.52604])),
        ('L',
         RigidTransform(translation=[0.203, 0.478, 0.092],
                        rotation=[0.06744, 0.84050, -0.11086, 0.52604])),
        ('L',
         RigidTransform(translation=[0.305, 0.478, 0.092],
                        rotation=[0.06744, 0.84050, -0.11086, 0.52604])),
        ('L',
         RigidTransform(translation=[0.305, 0.478, 0.183],
                        rotation=[0.06744, 0.84050, -0.11086, 0.52604])),
        ('L',
         RigidTransform(translation=[0.305, 0.359, 0.183],
                        rotation=[0.06744, 0.84050, -0.11086, 0.52604])),
        ('L',
         RigidTransform(translation=[0.305, 0.359, 0.149],
                        rotation=[0.06744, 0.84050, -0.11086, 0.52604])),
        ('L',
         RigidTransform(translation=[0.425, 0.359, 0.149],
                        rotation=[0.06744, 0.84050, -0.11086, 0.52604])),
        ('L',
         RigidTransform(translation=[0.425, 0.359, 0.245],
                        rotation=[0.06744, 0.84050, -0.11086, 0.52604])),
        ('L',
         RigidTransform(translation=[0.265, 0.445, 0.245],
                        rotation=[0.06744, 0.84050, -0.11086, 0.52604]))
    ]
    """
Exemple #13
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from matplotlib import pyplot as plt
from perception.object_render import RenderMode

dexnet_path = "/home/chris/optimal_manipulation_simulator/dex-net-new-api"

if __name__ == "__main__":
    print "\n\n\n\n"
    camera_intr = CameraIntrinsics.load("../config/primesense_overhead.intr")
    camera = VirtualCamera(camera_intr)

    of = ObjFile(dexnet_path + "/data/meshes/chess_pieces/WizRook.obj")
    rook1 = of.read()

    T_world_camera = RigidTransform(rotation=np.array([[-1, 0, 0], [0, 1, 0],
                                                       [0, 0, -1]]),
                                    translation=np.array([0, 0, .2]).T,
                                    from_frame="world",
                                    to_frame="primesense_overhead")
    # T_world_camera = RigidTransform(rotation = np.array([[1,0,0],[0,1,0],[0,0,1]]),
    #                                 translation=np.array([-.2,0,0]).T,
    #                                 from_frame="world",
    #                                 to_frame="primesense_overhead")

    # squares = [(-1,-1), (-1,0), (-1,1), (0,-1), (0,1), (1,-1), (1,0), (1,1)]
    # for i, square in enumerate(squares):

    T_rook2_world = RigidTransform(rotation=np.eye(3),
                                   translation=np.array([.06, .06, 0]).T,
                                   from_frame="rook2",
                                   to_frame="obj")
    of2 = ObjFile(dexnet_path + "/data/meshes/chess_pieces/WizRook.obj")
def load_registration_tf(trial_path, device):
    if device not in ('webcam', 'primesense'):
        raise ValueError("Can only accept webcam or primesense. Got {}".format(device))
    return RigidTransform.load(os.path.join(trial_path, '{}_overhead_to_world.tf'.format(device)))