示例#1
0
robot.setCurrentConfig(half_sitting)
com_wf = np.array(ps.getPartialCom("talos"))
tf_la = Transform (robot.getJointPosition(robot.leftAnkle))
com_la = tf_la.inverse().transform(com_wf)

ps.createRelativeComConstraint ("com_talos_box", "talos_box", robot.leftAnkle, com_la.tolist(), (True, True, True))
ps.createRelativeComConstraint ("com_talos"    , "talos"    , robot.leftAnkle, com_la.tolist(), (True, True, True))

ps.createPositionConstraint ("gaze", "talos/rgbd_optical_joint", "box/root_joint", (0,0,0), (0,0,0), (True, True, False))

left_gripper_lock = []
right_gripper_lock = []
other_lock = ["talos/torso_1_joint"]
for n in robot.jointNames:
    s = robot.getJointConfigSize(n)
    r = robot.rankInConfiguration[n]
    if n.startswith ("talos/gripper_right"):
        ps.createLockedJoint(n, n, half_sitting[r:r+s])
        right_gripper_lock.append(n)
    elif n.startswith ("talos/gripper_left"):
        ps.createLockedJoint(n, n, half_sitting[r:r+s])
        left_gripper_lock.append(n)
    elif n in other_lock:
        ps.createLockedJoint(n, n, half_sitting[r:r+s])

graph = ConstraintGraph.buildGenericGraph(robot, 'graph',
        [ "talos/left_gripper", "talos/right_gripper", ],
        [ "box", ],
        [ Object.handles, ],
        [ [ ], ],
示例#2
0
class Calibration(object):
    def __init__(self, client):
        self.client = client
        self.robot = None
        self.robots = list()
        self.robot_locks = list()
        self.robots_locks = list()
        self.robots_gaze = list()
        self.robots_identity_constraints = list()
        self.q = []

    def initRobot(self):
        # The first robot is loaded differently by hpp
        robot_id = len(self.robots) + int(self.robot is not None)
        robot_name = "talos_" + str(robot_id)

        if self.robot is None:
            Robot.packageName = "agimus_demos"
            Robot.urdfName = "talos"
            Robot.urdfSuffix = "_calibration_camera"
            Robot.srdfSuffix = ""

            self.robot = Robot(
                "talos", robot_name, rootJointType="freeflyer", client=self.client
            )

            self.ps = ProblemSolver(self.robot)
            self.ps.setErrorThreshold(0.00000001)
            self.ps.setMaxIterProjection(100)

            self.vf = ViewerFactory(self.ps)
        else:
            self.robots.append(OtherRobot(name=robot_name, vf=self.vf))

        self.robot.setJointBounds(robot_name + "/root_joint", [-1, 1, -1, 1, 0.5, 1.5])

        rank, size = self.getRankAndConfigSize(robot_id)
        self.q[rank : rank + size] = self.robot.getCurrentConfig()[rank : rank + size]

        return robot_id

    def setLockJoints(self, robot_id, joints_name_value_tuple):
        self.ps.createLockedJoint(
            "talos_" + str(robot_id) + "/root_joint",
            "talos_" + str(robot_id) + "/root_joint",
            [0, 0, 1, 0, 0, 0, 1],
        )
        root_joint_rank = self.robot.rankInConfiguration[
            "talos_" + str(robot_id) + "/root_joint"
        ]
        self.q[root_joint_rank : root_joint_rank + 7] = [0, 0, 1, 0, 0, 0, 1]
        self.robots_locks.append("talos_" + str(robot_id) + "/root_joint")
        # self.ps.createLockedJoint("talos_" + str(robot_id) + "/calib_mire_joint_2", "talos_" + str(robot_id) + "/calib_mire_joint_2", [0, 0, 0, 0, 0, 0, 1])
        # mire_joint_rank = self.robot.rankInConfiguration["talos_" + str(robot_id) + "/calib_mire_joint_2"]
        # self.q[mire_joint_rank:mire_joint_rank + 7] = [0, 0, 0, 0, 0, 0, 1]
        # self.robots_locks.append("talos_" + str(robot_id) + "/calib_mire_joint_2")
        for name, value in joints_name_value_tuple:
            joint_name = "talos_" + str(robot_id) + "/" + name
            self.q[self.robot.rankInConfiguration[joint_name]] = value
            self.ps.createLockedJoint(joint_name, joint_name, [value])
            self.robots_locks.append(joint_name)

    def getRankAndConfigSize(self, robot_id):
        robot_name = "talos_" + str(robot_id)
        rank = self.robot.rankInConfiguration[robot_name + "/root_joint"]
        size = sum(
            [
                self.robot.getJointConfigSize(joint_name)
                for joint_name in calib.robot.getJointNames()
                if robot_name in joint_name
            ]
        )
        return rank, size

    def setGaze(self, robot_id, checkerboard_pose):
        robot_name = "talos_" + str(robot_id)
        position = (
            checkerboard_pose.position.x,
            checkerboard_pose.position.y,
            checkerboard_pose.position.z,
        )
        orientation = (
            checkerboard_pose.orientation.x,
            checkerboard_pose.orientation.y,
            checkerboard_pose.orientation.z,
            checkerboard_pose.orientation.w,
        )
        self.ps.createPositionConstraint(
            robot_name + "gaze",
            robot_name + "/calib_rgb_joint",
            robot_name + "/calib_mire_joint_2",
            position,
            (0, 0, 0),
            [True, True, True],
        )
        self.ps.createOrientationConstraint(
            robot_name + "gaze_O",
            robot_name + "/calib_mire_joint_2",
            robot_name + "/calib_rgb_joint",
            orientation,
            [True, True, True],
        )
        self.robots_gaze.append(robot_name + "gaze")
        self.robots_gaze.append(robot_name + "gaze_O")

    def constrainFreeflyers(self):
        for robot_id in range(1, len(self.robots)):
            robot_name = "talos_" + str(robot_id)
            self.client.basic.problem.createIdentityConstraint(
                robot_name + "_id_rgb",
                ["talos_0/calib_rgb_joint"],
                [robot_name + "/calib_rgb_joint"],
            )
            self.client.basic.problem.createIdentityConstraint(
                robot_name + "_id_mire",
                ["talos_0/calib_mire_joint_2"],
                [robot_name + "/calib_mire_joint_2"],
            )
            self.robots_identity_constraints.append(robot_name + "_id_rgb")
            self.robots_identity_constraints.append(robot_name + "_id_mire")

    def optimize(self, q_init, robots_id):
        self.q_proj = self.q
        client.basic.problem.resetConstraints()
        calib.robot.setCurrentConfig(q_init)

        client.basic.problem.addLockedJointConstraints("unused1", calib.robots_locks)
        gaze = [
            c
            for c in calib.robots_gaze
            if any(["talos_" + str(robot_id) in c for robot_id in robots_id])
        ]
        num_constraints = gaze + calib.robots_identity_constraints
        client.basic.problem.addNumericalConstraints(
            "unused2", num_constraints, [0 for _ in num_constraints]
        )
        # client.basic.problem.addNumericalConstraints("mighty_cam_cost", ["cam_cost"], [ 1 ])
        # calib.client.basic.problem.setNumericalConstraintsLastPriorityOptional(True)

        projOk, self.q_proj, error = client.basic.problem.applyConstraints(q_init)
        if error < 1.0:
            optOk, self.q_proj, error = client.basic.problem.optimize(self.q_proj)
            if optOk:
                print("All was good! " + str(max(error)))
            else:
                print("Optimisation error: " + str(max(error)))
        else:
            print("Projection error: " + str(error))

        rank_rgb = calib.robot.rankInConfiguration["talos_0/calib_rgb_joint"]
        rank_mire = calib.robot.rankInConfiguration["talos_0/calib_mire_joint_2"]
        return (
            self.q_proj,
            self.q_proj[rank_rgb : rank_rgb + 7],
            max(error),
            self.q_proj[rank_mire : rank_mire + 7],
        )