Exemple #1
0
def call_tsr_plan_service(whole_body, constraint_tsrs, goal_tsrs):
    odom_to_robot_pose = geometry.tuples_to_pose(
        get_relative_tuples(_ORIGIN_TF, _ROBOT_TF))
    req = PlanWithTsrConstraintsRequest()
    req.base_movement_type.val = BaseMovementType.PLANAR
    req.origin_to_basejoint = odom_to_robot_pose
    req.initial_joint_state = whole_body._get_joint_state()
    req.use_joints = _USE_JOINTS
    req.probability_goal_generate = _PLANNING_GOAL_GENERATION
    req.timeout = rospy.Duration(whole_body._planning_timeout)
    req.max_iteration = _PLANNING_MAX_ITERATION
    req.uniform_bound_sampling = False
    req.deviation_for_bound_sampling = _PLANNING_GOAL_DEVIATION
    req.weighted_joints = ['_linear_base', '_rotational_base']
    req.weight = [whole_body._linear_weight, whole_body._angular_weight]
    if whole_body._collision_world is not None:
        req.environment_before_planning = whole_body._collision_world.snapshot(
            _ORIGIN_TF)
    req.constraint_tsrs = constraint_tsrs
    req.goal_tsrs = goal_tsrs
    plan_service = rospy.ServiceProxy('plan_with_constraints',
                                      PlanWithTsrConstraints)
    res = plan_service.call(req)
    return res
    def _plan_cartesian_path(self, origin_to_pose1, origin_to_pose2,
                             odom_to_robot_pose, initial_joint_state,
                             collision_env):
        use_joints = (b'wrist_flex_joint', b'wrist_roll_joint',
                      b'arm_roll_joint', b'arm_flex_joint', b'arm_lift_joint')

        req = PlanWithTsrConstraintsRequest()
        req.origin_to_basejoint = odom_to_robot_pose
        req.initial_joint_state = initial_joint_state
        req.base_movement_type.val = BaseMovementType.PLANAR
        req.use_joints = use_joints
        req.weighted_joints = [b'_linear_base', b'_rotational_base']
        req.weight = [self._linear_weight, self._angular_weight]
        req.probability_goal_generate = _PLANNING_GOAL_GENERATION
        req.attached_objects = []
        if collision_env is not None:
            req.environment_before_planning = collision_env
        req.timeout = rospy.Duration(self._planning_timeout)
        req.max_iteration = _PLANNING_MAX_ITERATION
        req.uniform_bound_sampling = False
        req.deviation_for_bound_sampling = _PLANNING_GOAL_DEVIATION
        req.extra_constraints = []
        req.extra_goal_constraints = []

        move_axis, distance = _movement_axis_and_distance(
            origin_to_pose1, origin_to_pose2)
        origin_to_axis = _pose_from_x_axis(move_axis)
        pose1_to_axis = geometry.multiply_tuples(_invert_pose(origin_to_pose1),
                                                 origin_to_axis)
        pose1_to_axis = geometry.Pose((0, 0, 0), pose1_to_axis[1])
        origin_to_tsr = geometry.multiply_tuples(origin_to_pose1,
                                                 pose1_to_axis)
        tsr_to_pose1 = _invert_pose(pose1_to_axis)

        # Goal constraint
        tsr_g = TaskSpaceRegion()
        tsr_g.end_frame_id = bytes(self.end_effector_frame)
        tsr_g.origin_to_tsr = geometry.tuples_to_pose(origin_to_pose2)
        tsr_g.tsr_to_end = geometry.tuples_to_pose(geometry.pose())
        tsr_g.min_bounds = [0, 0, 0, 0, 0, 0]
        tsr_g.max_bounds = [0, 0, 0, 0, 0, 0]

        # Line constraint
        tsr_c = TaskSpaceRegion()
        tsr_c.end_frame_id = bytes(self.end_effector_frame)
        tsr_c.origin_to_tsr = geometry.tuples_to_pose(origin_to_tsr)
        tsr_c.tsr_to_end = geometry.tuples_to_pose(tsr_to_pose1)
        tsr_c.min_bounds = [0, 0, 0, -math.pi, -math.pi, -math.pi]
        tsr_c.max_bounds = [distance, 0, 0, math.pi, math.pi, math.pi]

        req.goal_tsrs = [tsr_g]
        req.constraint_tsrs = [tsr_c]

        service_name = self._setting['plan_with_constraints_service']
        plan_service = rospy.ServiceProxy(service_name, PlanWithTsrConstraints)
        res = plan_service.call(req)
        print(res)
        if res.error_code.val != ArmManipulationErrorCodes.SUCCESS:
            msg = "Fail to plan"
            print(msg)
            print(req)
            raise exceptions.MotionPlanningError(msg, res.error_code)
        return res