Beispiel #1
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def main():
    parser = create_parser()
    args = parser.parse_args()
    print('Arguments:', args)

    initial_poses = {
        ROBOT: (0., 15., 0.),
        CUP: (7.5, 0., 0.),
        'sugar_cup': (-10., 0., 0.),
        'cream_cup': (15., 0, 0),
        'spoon': (0.5, 0.5, 0),
        'stirrer': (20, 0.5, 0),
        COASTER: (-20., 0, 0),
    }

    problem = create_problem(initial_poses)
    with Profiler(field='tottime'):
        #solution = solve_serialized(problem, planner='ff-eager', unit_costs=args.unit,
        #                            unit_efforts=True, effort_weight=1, debug=False) # max_planner_time=5,
        solution = solve(problem,
                         algorithm=args.algorithm,
                         unit_costs=args.unit,
                         planner='ff-eager',
                         unit_efforts=True,
                         effort_weight=1,
                         debug=False)  # max_planner_time=5,
        print_solution(solution)
Beispiel #2
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def solve_pddlstream(planner='max-astar'):
    parser = create_parser()
    args = parser.parse_args()
    print('Arguments:', args)

    problem = get_problem(optimize=True)
    print(problem.constant_map)
    print(problem.init)
    print(problem.goal)

    stream_info = {
        't-ge': StreamInfo(eager=True),
        'withdraw': StreamInfo(opt_gen_fn=PartialInputs(unique=True)),
    }
    with Profiler(field='cumtime'):
        solution = solve(problem,
                         algorithm=args.algorithm,
                         unit_costs=args.unit,
                         stream_info=stream_info,
                         planner=planner,
                         initial_complexity=3,
                         clean=False,
                         debug=True,
                         verbose=True)

    print_solution(solution)
    plan, cost, certificate = solution
    print('Certificate:', certificate.preimage_facts)
Beispiel #3
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def main(deterministic=False, observable=False, collisions=True, factor=True):
    parser = create_parser()
    args = parser.parse_args()
    print('Arguments:', args)

    # TODO: AssertionError: degenerate distribution DDist{l0: 0.00000}
    # TODO: global search over the state
    belief_problem = get_belief_problem(deterministic, observable)
    pddlstream_problem = to_pddlstream(belief_problem, collisions)
    print('Cost scale:', get_cost_scale())

    stream_info = {
        'GE': StreamInfo(from_test(ge_fn), eager=False),
        'prob-after-move': StreamInfo(from_fn(get_opt_move_fn(factor=factor))),
        'MoveCost': FunctionInfo(move_cost_fn),
        'prob-after-look': StreamInfo(from_fn(get_opt_obs_fn(factor=factor))),
        'LookCost': FunctionInfo(get_look_cost_fn(p_look_fp=0, p_look_fn=0)),
    }
    planner = 'ff-wastar1'
    success_cost = 0  # 0 | MAX_COST
    with Profiler(field='tottime', num=10):
        solution = solve(pddlstream_problem,
                         algorithm=args.algorithm,
                         unit_costs=args.unit,
                         stream_info=stream_info,
                         planner=planner,
                         debug=False,
                         success_cost=success_cost,
                         max_time=30)
    print_solution(solution)
Beispiel #4
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def main(planner='max-astar', defer=False):
    parser = create_parser()
    args = parser.parse_args()
    print('Arguments:', args)

    problem = pddlstream_from_belief()
    _, _, _, _, init, goal = problem
    print('Init:', sorted(init, key=lambda f: f[0]))
    print('Goal:', goal)

    stream_info = {
        'motion': StreamInfo(defer_fn=defer_shared if defer else never_defer),
    }

    replan_actions = set()
    #replan_actions = {'phone'}

    with Profiler(field='tottime', num=5):
        solution = solve(problem,
                         algorithm=args.algorithm,
                         unit_costs=args.unit,
                         planner=planner,
                         stream_info=stream_info,
                         replan_actions=replan_actions)
    print_solution(solution)
Beispiel #5
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def main():
    parser = create_parser()
    args = parser.parse_args()
    print('Arguments:', args)

    uniform_rooms = UniformDist(['room0', OTHER])
    #uniform_tables = UniformDist(['table0', 'table1'])
    #uniform_tables = UniformDist(['table0', OTHER])
    uniform_tables = UniformDist(['table0', 'table1', OTHER])

    #initial_belief = get_room_belief(uniform_rooms, uniform_tables, 1.0)
    initial_belief = get_room_belief(uniform_rooms, uniform_tables, 0.2)
    #initial_belief = get_table_belief(uniform_tables, 1.0)
    #initial_belief = get_table_belief(uniform_tables, 0.2)
    #initial_belief = get_item_belief()

    pddlstream_problem = pddlstream_from_belief(initial_belief)
    _, _, _, _, init, goal = pddlstream_problem
    print('Init:', sorted(init))
    print('Goal:', goal)

    planner = 'max-astar'
    with Profiler(field='tottime', num=10):
        solution = solve(pddlstream_problem,
                         algorithm=args.algorithm,
                         unit_costs=args.unit,
                         planner=planner)
    print_solution(solution)
Beispiel #6
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def solve_pddlstream(debug=False):
    parser = create_parser()
    args = parser.parse_args()
    print('Arguments:', args)

    problem = get_problem()
    planner = 'lmcut-astar' # cerberus
    solution = solve(problem, algorithm=args.algorithm, unit_costs=args.unit, planner=planner, debug=debug)
    print_solution(solution)
Beispiel #7
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def main(time_step=0.01):
    parser = create_parser()
    parser.add_argument('-teleport',
                        action='store_true',
                        help='Teleports between configurations')
    parser.add_argument('-viewer',
                        action='store_true',
                        help='enable the viewer while planning')
    # TODO: argument for selecting prior
    args = parser.parse_args()
    print('Arguments:', args)

    # TODO: nonuniform distribution to bias towards other actions
    # TODO: closed world and open world
    real_world = connect(use_gui=not args.viewer)
    add_data_path()
    task, state = get_problem1(localized='rooms',
                               p_other=0.25)  # surfaces | rooms
    for body in task.get_bodies():
        add_body_name(body)

    robot = task.robot
    #dump_body(robot)
    assert (USE_DRAKE_PR2 == is_drake_pr2(robot))
    attach_viewcone(robot)  # Doesn't work for the normal pr2?
    draw_base_limits(get_base_limits(robot), color=(0, 1, 0))
    #wait_for_user()
    # TODO: partially observable values
    # TODO: base movements preventing pick without look

    # TODO: do everything in local coordinate frame
    # TODO: automatically determine an action/command cannot be applied
    # TODO: convert numpy arrays into what they are close to
    # TODO: compute whether a plan will still achieve a goal and do that
    # TODO: update the initial state directly and then just redraw it to ensure uniqueness
    step = 0
    while True:
        step += 1
        print('\n' + 50 * '-')
        print(step, state)
        wait_for_user()
        #print({b: p.value for b, p in state.poses.items()})
        with ClientSaver():
            commands = plan_commands(state, args)
        print()
        if commands is None:
            print('Failure!')
            break
        if not commands:
            print('Success!')
            break
        apply_commands(state, commands, time_step=time_step)

    print(state)
    wait_for_user()
    disconnect()
Beispiel #8
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def solve_pddlstream():
    parser = create_parser()
    args = parser.parse_args()
    print('Arguments:', args)

    problem = get_problem1()
    print('Init:', problem.init)
    print('Goal:', problem.goal)
    solution = solve(problem, algorithm=args.algorithm, unit_costs=args.unit)
    print_solution(solution)
Beispiel #9
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def main():
    parser = create_parser()
    args = parser.parse_args()
    print('Arguments:', args)

    # TODO: maybe load problems as a domain explicitly
    problem = get_pddlstream_problem()
    #if args.algorithm not in FOCUSED_ALGORITHMS:
    #    raise RuntimeError('The {} algorithm does not support fluent streams'.format(args.algorithm))
    solution = solve(problem, algorithm=args.algorithm, unit_costs=args.unit)
    print_solution(solution)
Beispiel #10
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def main(max_time=20):
    """
    Creates and solves the 2D motion planning problem.
    """
    parser = create_parser()
    args = parser.parse_args()
    print('Arguments:', args)

    obstacles = [create_box((.5, .5), (.2, .2))]
    regions = {
        'env': create_box((.5, .5), (1, 1)),
        'green': create_box((.8, .8), (.4, .4)),
    }

    goal = 'green'
    if goal not in regions:
        goal = ARRAY([1, 1])

    max_distance = 0.25  # 0.2 | 0.25 | 0.5 | 1.0
    problem, samples, roadmap = create_problem(goal,
                                               obstacles,
                                               regions,
                                               max_distance=max_distance)
    print('Initial:', str_from_object(problem.init))
    print('Goal:', str_from_object(problem.goal))
    constraints = PlanConstraints(max_cost=1.25)  # max_cost=INF)

    with Profiler(field='tottime', num=10):
        solution = solve_incremental(problem,
                                     constraints=constraints,
                                     unit_costs=args.unit,
                                     success_cost=0,
                                     max_time=max_time,
                                     verbose=False)

    print_solution(solution)
    plan, cost, evaluations = solution
    #viewer = draw_environment(obstacles, regions)
    #for sample in samples:
    #    viewer.draw_point(sample)
    #user_input('Continue?')

    # TODO: use the same viewer here
    draw_roadmap(roadmap, obstacles, regions)  # TODO: do this in realtime
    user_input('Continue?')

    if plan is None:
        return
    segments = [args for name, args in plan]
    draw_solution(segments, obstacles, regions)
    user_input('Finish?')
Beispiel #11
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def main():
    parser = create_parser()
    args = parser.parse_args()
    print('Arguments:', args)

    streams, orders, info = create_problem2() # create_problem1 | create_problem2
    opt_solution = opt_from_graph(streams, orders, info)
    print(SEPARATOR)

    solution = solve_skeleton(opt_solutions=[opt_solution])
    print(SEPARATOR)

    print(solution) # TODO: print the stream plan
    print_solution(solution)
Beispiel #12
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def main():
    parser = create_parser()
    args = parser.parse_args()
    print('Arguments:', args)

    problem_fn = get_shift_one_problem  # get_shift_one_problem | get_shift_all_problem
    tamp_problem = problem_fn()
    print(tamp_problem)

    pddlstream_problem = pddlstream_from_tamp(tamp_problem)
    solution = solve(pddlstream_problem,
                     algorithm=args.algorithm,
                     unit_costs=args.unit)

    print_solution(solution)
    plan, cost, evaluations = solution
    if plan is None:
        return
    apply_plan(tamp_problem, plan)
Beispiel #13
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def main(replan=True, defer=True):
    parser = create_parser()
    args = parser.parse_args()
    print('Arguments:', args)

    problem = get_pddlstream()

    stream_info = {
        #'test-pose': StreamInfo(eager=True, p_success=0),
        'motion': StreamInfo(defer_fn=defer_unique if defer else never_defer),
    }
    replan_actions = {'pick'} if replan else set()

    with Profiler():
        solution = solve(problem,
                         algorithm=args.algorithm,
                         unit_costs=args.unit,
                         stream_info=stream_info,
                         replan_actions=replan_actions)
    print_solution(solution)
Beispiel #14
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def main():
    parser = create_parser()
    #parser.add_argument('-p', '--problem', default='blocked', help='The name of the problem to solve')
    args = parser.parse_args()
    print('Arguments:', args)

    problem_fn = get_shift_one_problem  # get_shift_one_problem | get_shift_all_problem # TODO: use --problem
    tamp_problem = problem_fn()
    print(tamp_problem)

    pddlstream_problem = pddlstream_from_tamp(tamp_problem)
    #solution = solve_serialized(pddlstream_problem, planner='max-astar', unit_costs=args.unit)
    solution = solve(pddlstream_problem, algorithm=args.algorithm, unit_costs=args.unit, debug=False,
                     #complexity_step=INF, max_complexity=0,
                    )

    print_solution(solution)
    plan, cost, evaluations = solution
    if plan is None:
        return
    apply_plan(tamp_problem, plan)
Beispiel #15
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def main():
    parser = create_parser()
    parser.add_argument('-enable', action='store_true', help='Enables rendering during planning')
    parser.add_argument('-teleport', action='store_true', help='Teleports between configurations')
    parser.add_argument('-simulate', action='store_true', help='Simulates the system')
    parser.add_argument('-viewer', action='store_true', help='Enable the viewer and visualizes the plan')
    args = parser.parse_args()
    print('Arguments:', args)

    connect(use_gui=args.viewer)
    robot, names, movable = load_world()
    print('Objects:', names)
    saver = WorldSaver()

    problem = pddlstream_from_problem(robot, movable=movable, teleport=args.teleport)
    _, _, _, stream_map, init, goal = problem
    print('Init:', init)
    print('Goal:', goal)
    print('Streams:', str_from_object(set(stream_map)))

    with Profiler():
        with LockRenderer(lock=not args.enable):
            solution = solve(problem, algorithm=args.algorithm, unit_costs=args.unit, success_cost=INF)
            saver.restore()
    print_solution(solution)
    plan, cost, evaluations = solution
    if (plan is None) or not has_gui():
        disconnect()
        return

    command = postprocess_plan(plan)
    if args.simulate:
        wait_for_user('Simulate?')
        command.control()
    else:
        wait_for_user('Execute?')
        #command.step()
        command.refine(num_steps=10).execute(time_step=0.001)
    wait_for_user('Finish?')
    disconnect()
Beispiel #16
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def main():
    parser = create_parser()
    args = parser.parse_args()
    print('Arguments:', args)

    problem = get_problem1()
    print('Init:', problem.init)
    print('Goal:', problem.goal)

    info = {
        # Intentionally, misleading the stream
        'increment': StreamInfo(p_success=0.01, overhead=1),
        'decrement': StreamInfo(p_success=1, overhead=1),
    }

    solution = solve(problem,
                     algorithm=args.algorithm,
                     unit_costs=args.unit,
                     stream_info=info,
                     planner='max-astar',
                     effort_weight=1)
    print_solution(solution)
Beispiel #17
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def main():
    parser = create_parser()
    parser.add_argument('-n', '--n_boxes', default=3, type=int, help='The number of boxes')
    args = parser.parse_args()
    print('Arguments:', args)

    problem = get_problem1(n_boxes=args.n_boxes)
    print('Init:', sorted(problem.init))
    print('Goal:', problem.goal)

    print(analyze_goal(problem, debug=True, use_actions=True, blocked_predicates=[
        # TODO: make sure to use lowercase
        'handempty',
        'clear',
        # These are conditions that you can always reachieve?
    ]))
    print(SEPARATOR)

    with Profiler():
        solution = solve(problem, algorithm=args.algorithm, unit_costs=args.unit,
                         planner='ff-wastar1', debug=True)
    print_solution(solution)
Beispiel #18
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def main():
    parser = create_parser()
    parser.add_argument('-attachments', action='store_true')
    parser.add_argument('-o',
                        '--optimal',
                        action='store_true',
                        help='Runs in an anytime mode')
    tamp_problem, args = initialize(parser)

    stream_info = {
        't-region': StreamInfo(eager=False, p_success=0),
        'distance': FunctionInfo(opt_fn=lambda q1, q2: MOVE_COST),
    }

    pddlstream_problem = pddlstream_from_tamp(tamp_problem)
    dump_pddlstream(pddlstream_problem)

    success_cost = 0 if args.optimal else INF
    planner = 'max-astar'
    #planner = 'ff-wastar1'
    with Profiler():
        solution = solve(pddlstream_problem,
                         stream_info=stream_info,
                         planner=planner,
                         max_planner_time=10,
                         debug=False,
                         max_time=args.max_time,
                         max_iterations=INF,
                         verbose=True,
                         unit_costs=args.unit,
                         success_cost=success_cost,
                         unit_efforts=False,
                         effort_weight=0,
                         visualize=args.visualize)

    print_solution(solution)
    plan, cost, evaluations = solution
    step_plan(tamp_problem, plan)
Beispiel #19
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def main():
    parser = create_parser()
    parser.add_argument('-problem', default='problem1', help='The name of the problem to solve')
    parser.add_argument('-cfree', action='store_true', help='Disables collisions')
    parser.add_argument('-deterministic', action='store_true', help='Uses a deterministic sampler')
    parser.add_argument('-optimal', action='store_true', help='Runs in an anytime mode')
    parser.add_argument('-t', '--max_time', default=120, type=int, help='The max time')
    parser.add_argument('-enable', action='store_true', help='Enables rendering during planning')
    parser.add_argument('-teleport', action='store_true', help='Teleports between configurations')
    parser.add_argument('-simulate', action='store_true', help='Simulates the system')
    parser.add_argument('-viewer', action='store_true', help='Enable the viewer and visualizes the plan')
    args = parser.parse_args()
    print('Arguments:', args)

    problem_fn_from_name = {fn.__name__: fn for fn in PROBLEMS}
    if args.problem not in problem_fn_from_name:
        raise ValueError(args.problem)
    problem_fn = problem_fn_from_name[args.problem]
    connect(use_gui=args.viewer)
    with HideOutput():
        problem = problem_fn()
    saver = WorldSaver()
    draw_base_limits(problem.limits, color=RED)

    pddlstream_problem = pddlstream_from_problem(problem, collisions=not args.cfree, teleport=args.teleport)
    stream_info = {
        'inverse-kinematics': StreamInfo(),
        'plan-base-motion': StreamInfo(overhead=1e1),
    }
    _, _, _, stream_map, init, goal = pddlstream_problem
    print('Init:', init)
    print('Goal:', goal)
    #print('Streams:', stream_map.keys())

    success_cost = 0 if args.optimal else INF
    planner = 'ff-astar'
    search_sample_ratio = 1
    max_planner_time = 10

    with Profiler(field='cumtime', num=25): # cumtime | tottime
        with LockRenderer(lock=not args.enable):
            solution = solve(pddlstream_problem, stream_info=stream_info,
                                     planner=planner, max_planner_time=max_planner_time,
                                     unit_costs=args.unit, success_cost=success_cost,
                                     max_time=args.max_time, verbose=True, debug=False,
                                     unit_efforts=True, effort_weight=1,
                                     search_sample_ratio=search_sample_ratio)
            saver.restore()
    print_solution(solution)
    plan, cost, evaluations = solution
    if (plan is None) or not has_gui():
        disconnect()
        return

    # Maybe openrave didn't actually sample any joints...
    # http://openrave.org/docs/0.8.2/openravepy/examples.tutorial_iksolutions/
    with LockRenderer(lock=not args.enable):
        commands = post_process(problem, plan, teleport=args.teleport)
        saver.restore()

    if args.simulate:
        control_commands(commands)
    else:
        time_step = None if args.teleport else 0.01
        apply_commands(BeliefState(problem), commands, time_step)
    wait_for_user()
    disconnect()
Beispiel #20
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def main():
    parser = create_parser(default_algorithm='binding')
    parser.add_argument('-cfree',
                        action='store_true',
                        help='Disables collisions')
    parser.add_argument('-deterministic',
                        action='store_true',
                        help='Uses a deterministic sampler')
    parser.add_argument('-optimal',
                        action='store_true',
                        help='Runs in an anytime mode')
    parser.add_argument('-t',
                        '--max_time',
                        default=120,
                        type=int,
                        help='The max time')
    parser.add_argument('-enable',
                        action='store_true',
                        help='Enables rendering during planning')
    parser.add_argument('-simulate',
                        action='store_true',
                        help='Simulates the system')
    parser.add_argument('-viewer',
                        action='store_true',
                        help='Enable the viewer and visualizes the plan')
    args = parser.parse_args()
    print('Arguments:', args)

    connect(use_gui=args.viewer)
    with HideOutput():
        problem = problem_fn(collisions=not args.cfree)
    saver = WorldSaver()
    draw_base_limits(problem.limits, color=RED)

    pddlstream_problem = pddlstream_from_problem(problem)
    stream_info = {
        'test-cfree-conf-pose': StreamInfo(p_success=1e-2),
        'test-cfree-traj-pose': StreamInfo(p_success=1e-1),
        'compute-motion': StreamInfo(eager=True, p_success=0),
        'test-reachable': StreamInfo(eager=True),
        'Distance': FunctionInfo(eager=True),
    }
    _, _, _, stream_map, init, goal = pddlstream_problem
    print('Init:', init)
    print('Goal:', goal)

    success_cost = 0 if args.optimal else INF
    planner = 'ff-wastar1'
    search_sample_ratio = 0
    max_planner_time = 10

    with Profiler(field='tottime', num=25):  # cumtime | tottime
        with LockRenderer(lock=not args.enable):
            solution = solve(pddlstream_problem,
                             algorithm=args.algorithm,
                             stream_info=stream_info,
                             planner=planner,
                             max_planner_time=max_planner_time,
                             debug=False,
                             unit_costs=args.unit,
                             success_cost=success_cost,
                             max_time=args.max_time,
                             verbose=True,
                             unit_efforts=True,
                             effort_weight=1,
                             search_sample_ratio=search_sample_ratio)
            saver.restore()

    print_solution(solution)
    plan, cost, evaluations = solution
    if (plan is None) or not has_gui():
        disconnect()
        return

    with LockRenderer():
        commands = post_process(problem, plan)
        saver.restore()  # Assumes bodies are ordered the same way

    wait_for_user()
    if args.simulate:
        control_commands(commands)
    else:
        apply_commands(BeliefState(problem), commands,
                       time_step=1e-2)  # 1e-2 | None
    wait_for_user()
    disconnect()
Beispiel #21
0
def main():
    parser = create_parser()
    parser.add_argument('-problem',
                        default='rovers1',
                        help='The name of the problem to solve')
    parser.add_argument('-cfree',
                        action='store_true',
                        help='Disables collisions')
    parser.add_argument('-deterministic',
                        action='store_true',
                        help='Uses a deterministic sampler')
    parser.add_argument('-optimal',
                        action='store_true',
                        help='Runs in an anytime mode')
    parser.add_argument('-t',
                        '--max_time',
                        default=120,
                        type=int,
                        help='The max time')
    parser.add_argument('-enable',
                        action='store_true',
                        help='Enables rendering during planning')
    parser.add_argument('-teleport',
                        action='store_true',
                        help='Teleports between configurations')
    parser.add_argument('-simulate',
                        action='store_true',
                        help='Simulates the system')
    parser.add_argument('-viewer',
                        action='store_true',
                        help='Enable the viewer and visualizes the plan')
    args = parser.parse_args()
    print('Arguments:', args)

    problem_fn_from_name = {fn.__name__: fn for fn in PROBLEMS}
    if args.problem not in problem_fn_from_name:
        raise ValueError(args.problem)
    problem_fn = problem_fn_from_name[args.problem]
    connect(use_gui=args.viewer)
    with HideOutput():
        rovers_problem = problem_fn()
    saver = WorldSaver()
    draw_base_limits(rovers_problem.limits, color=RED)

    pddlstream_problem = pddlstream_from_problem(rovers_problem,
                                                 collisions=not args.cfree,
                                                 teleport=args.teleport,
                                                 holonomic=False,
                                                 reversible=True,
                                                 use_aabb=True)
    stream_info = {
        'test-cfree-ray-conf': StreamInfo(),
        'test-reachable': StreamInfo(p_success=1e-1),
        'obj-inv-visible': StreamInfo(),
        'com-inv-visible': StreamInfo(),
        'sample-above': StreamInfo(),
        'sample-motion': StreamInfo(overhead=10),
    }
    _, _, _, stream_map, init, goal = pddlstream_problem
    print('Init:', init)
    print('Goal:', goal)
    #print('Streams:', stream_map.keys())

    success_cost = 0 if args.optimal else INF
    planner = 'ff-wastar3'
    search_sample_ratio = 2
    max_planner_time = 10

    # TODO: need to accelerate samples here because of the failed test reachable
    with Profiler(field='tottime', num=25):
        with LockRenderer(lock=not args.enable):
            # TODO: option to only consider costs during local optimization
            solution = solve(pddlstream_problem,
                             algorithm=args.algorithm,
                             stream_info=stream_info,
                             planner=planner,
                             max_planner_time=max_planner_time,
                             debug=False,
                             unit_costs=args.unit,
                             success_cost=success_cost,
                             max_time=args.max_time,
                             verbose=True,
                             unit_efforts=True,
                             effort_weight=1,
                             search_sample_ratio=search_sample_ratio)
            for body in get_bodies():
                if body not in saver.bodies:
                    remove_body(body)
            saver.restore()

    print_solution(solution)
    plan, cost, evaluations = solution
    if (plan is None) or not has_gui():
        disconnect()
        return

    # Maybe OpenRAVE didn't actually sample any joints...
    # http://openrave.org/docs/0.8.2/openravepy/examples.tutorial_iksolutions/
    with LockRenderer():
        commands = post_process(rovers_problem, plan)
        saver.restore()

    wait_for_user('Begin?')
    if args.simulate:
        control_commands(commands)
    else:
        time_step = None if args.teleport else 0.01
        apply_commands(BeliefState(rovers_problem), commands, time_step)
    wait_for_user('Finish?')
    disconnect()
Beispiel #22
0
def main(verbose=True):
    # TODO: could work just on postprocessing
    # TODO: try the other reachability database
    # TODO: option to only consider costs during local optimization

    parser = create_parser()
    parser.add_argument('-problem',
                        default='packed',
                        help='The name of the problem to solve')
    parser.add_argument('-n',
                        '--number',
                        default=5,
                        type=int,
                        help='The number of objects')
    parser.add_argument('-cfree',
                        action='store_true',
                        help='Disables collisions')
    parser.add_argument('-deterministic',
                        action='store_true',
                        help='Uses a deterministic sampler')
    parser.add_argument('-optimal',
                        action='store_true',
                        help='Runs in an anytime mode')
    parser.add_argument('-t',
                        '--max_time',
                        default=120,
                        type=int,
                        help='The max time')
    parser.add_argument('-teleport',
                        action='store_true',
                        help='Teleports between configurations')
    parser.add_argument('-enable',
                        action='store_true',
                        help='Enables rendering during planning')
    parser.add_argument('-simulate',
                        action='store_true',
                        help='Simulates the system')
    parser.add_argument('-viewer',
                        action='store_true',
                        help='Enable the viewer and visualizes the plan')
    args = parser.parse_args()
    print('Arguments:', args)

    problem_fn_from_name = {fn.__name__: fn for fn in PROBLEMS}
    if args.problem not in problem_fn_from_name:
        raise ValueError(args.problem)
    problem_fn = problem_fn_from_name[args.problem]

    connect(use_gui=args.viewer)
    with HideOutput():
        problem = problem_fn(num=args.number)
    draw_base_limits(problem.base_limits, color=(1, 0, 0))
    saver = WorldSaver()

    #handles = []
    #for link in get_group_joints(problem.robot, 'left_arm'):
    #    handles.append(draw_link_name(problem.robot, link))
    #wait_for_user()

    pddlstream_problem = pddlstream_from_problem(problem,
                                                 collisions=not args.cfree,
                                                 teleport=args.teleport)
    stream_info = {
        'inverse-kinematics':
        StreamInfo(),
        'plan-base-motion':
        StreamInfo(overhead=1e1),
        'test-cfree-pose-pose':
        StreamInfo(p_success=1e-3, verbose=verbose),
        'test-cfree-approach-pose':
        StreamInfo(p_success=1e-2, verbose=verbose),
        'test-cfree-traj-pose':
        StreamInfo(p_success=1e-1,
                   verbose=verbose),  # TODO: apply to arm and base trajs
        #'test-cfree-traj-grasp-pose': StreamInfo(verbose=verbose),
        'Distance':
        FunctionInfo(p_success=0.99, opt_fn=lambda q1, q2: BASE_CONSTANT),
        #'MoveCost': FunctionInfo(lambda t: BASE_CONSTANT),
    }
    #stream_info = {}

    _, _, _, stream_map, init, goal = pddlstream_problem
    print('Init:', init)
    print('Goal:', goal)
    print('Streams:', str_from_object(set(stream_map)))

    success_cost = 0 if args.optimal else INF
    planner = 'ff-astar' if args.optimal else 'ff-wastar3'
    search_sample_ratio = 2
    max_planner_time = 10
    # effort_weight = 0 if args.optimal else 1
    effort_weight = 1e-3 if args.optimal else 1

    with Profiler(field='tottime', num=25):  # cumtime | tottime
        with LockRenderer(lock=not args.enable):
            solution = solve(pddlstream_problem,
                             algorithm=args.algorithm,
                             stream_info=stream_info,
                             planner=planner,
                             max_planner_time=max_planner_time,
                             unit_costs=args.unit,
                             success_cost=success_cost,
                             max_time=args.max_time,
                             verbose=True,
                             debug=False,
                             unit_efforts=True,
                             effort_weight=effort_weight,
                             search_sample_ratio=search_sample_ratio)
            saver.restore()

    cost_over_time = [(s.cost, s.time) for s in SOLUTIONS]
    for i, (cost, runtime) in enumerate(cost_over_time):
        print('Plan: {} | Cost: {:.3f} | Time: {:.3f}'.format(
            i, cost, runtime))
    #print(SOLUTIONS)
    print_solution(solution)
    plan, cost, evaluations = solution
    if (plan is None) or not has_gui():
        disconnect()
        return

    with LockRenderer(lock=not args.enable):
        commands = post_process(problem, plan, teleport=args.teleport)
        saver.restore()

    draw_base_limits(problem.base_limits, color=(1, 0, 0))
    wait_for_user()
    if args.simulate:
        control_commands(commands)
    else:
        time_step = None if args.teleport else 0.01
        apply_commands(State(), commands, time_step)
    wait_for_user()
    disconnect()
Beispiel #23
0
def main():
    # TODO: side grasps (horizontal gripper, one finger, forklift)
    parser = create_parser()
    parser.add_argument('-g',
                        '--gurobi',
                        action='store_true',
                        help='Uses gurobi')
    parser.add_argument('-o',
                        '--optimal',
                        action='store_true',
                        help='Runs in an anytime mode')
    parser.add_argument('-s',
                        '--skeleton',
                        action='store_true',
                        help='Enforces skeleton plan constraints')
    tamp_problem, args = initialize(parser)

    # TODO: test if placed in the same region
    defer_fn = defer_shared  # never_defer | defer_unique | defer_shared
    stream_info = {
        's-region':
        StreamInfo(defer_fn=defer_fn),
        's-grasp':
        StreamInfo(defer_fn=defer_fn),
        's-ik':
        StreamInfo(defer_fn=get_defer_all_unbound(
            inputs='?g')),  # defer_fn | defer_unbound
        's-motion':
        StreamInfo(defer_fn=get_defer_any_unbound()),
        't-cfree':
        StreamInfo(defer_fn=get_defer_any_unbound(),
                   eager=False,
                   verbose=False),  # defer_fn |  defer_unbound
        't-region':
        StreamInfo(eager=True, p_success=0),  # bound_fn is None
        'dist':
        FunctionInfo(eager=False,
                     defer_fn=get_defer_any_unbound(),
                     opt_fn=lambda q1, q2: MOVE_COST),
        'gurobi-cfree':
        StreamInfo(
            eager=False, negate=True
        ),  # TODO: AttributeError: 'tuple' object has no attribute 'instance'
        #'gurobi': OptimizerInfo(p_success=0),
        #'rrt': OptimizerInfo(p_success=0),
    }
    #stream_info = {}

    hierarchy = [
        #ABSTRIPSLayer(pos_pre=['atconf']), #, horizon=1),
    ]

    skeletons = [TIGHT_SKELETON] if args.skeleton else None
    assert implies(args.skeleton, args.problem == 'tight')
    max_cost = INF  # 8*MOVE_COST
    constraints = PlanConstraints(
        skeletons=skeletons,
        #skeletons=[],
        #skeletons=[skeleton, []],
        exact=True,
        max_cost=max_cost)
    replan_actions = set()
    #replan_actions = {'move', 'pick', 'place'}

    pddlstream_problem = pddlstream_from_tamp(tamp_problem,
                                              collisions=not args.cfree,
                                              use_stream=not args.gurobi,
                                              use_optimizer=args.gurobi)
    dump_pddlstream(pddlstream_problem)

    success_cost = 0 if args.optimal else INF
    #planner = 'dijkstra'
    planner = 'max-astar'
    #planner = 'ff-wastar1'
    #effort_weight = 1.
    effort_weight = 1. / get_cost_scale()
    #effort_weight = None

    with Profiler(field='cumtime', num=20):
        solution = solve(pddlstream_problem,
                         algorithm=args.algorithm,
                         constraints=constraints,
                         stream_info=stream_info,
                         replan_actions=replan_actions,
                         planner=planner,
                         max_planner_time=10,
                         hierarchy=hierarchy,
                         max_time=args.max_time,
                         max_iterations=INF,
                         debug=False,
                         verbose=True,
                         unit_costs=args.unit,
                         success_cost=success_cost,
                         unit_efforts=True,
                         effort_weight=effort_weight,
                         search_sample_ratio=1,
                         visualize=args.visualize)  # TODO: solve_serialized

    print_solution(solution)
    plan, cost, evaluations = solution
    if plan is not None:
        display_plan(tamp_problem, retime_plan(plan))
Beispiel #24
0
def main(partial=False, defer=False, verbose=True):
    parser = create_parser()
    parser.add_argument('-enable',
                        action='store_true',
                        help='Enables rendering during planning')
    parser.add_argument('-teleport',
                        action='store_true',
                        help='Teleports between configurations')
    parser.add_argument('-simulate',
                        action='store_true',
                        help='Simulates the system')
    parser.add_argument('-viewer',
                        action='store_true',
                        help='Enable the viewer and visualizes the plan')
    args = parser.parse_args()
    print('Arguments:', args)

    connect(use_gui=args.viewer)
    problem_fn = cooking_problem
    # holding_problem | stacking_problem | cleaning_problem | cooking_problem
    # cleaning_button_problem | cooking_button_problem
    with HideOutput():
        problem = problem_fn()
    #state_id = save_state()
    saver = WorldSaver()
    #dump_world()

    pddlstream_problem = pddlstream_from_problem(problem,
                                                 teleport=args.teleport)

    stream_info = {
        # 'test-cfree-pose-pose': StreamInfo(p_success=1e-3, verbose=verbose),
        # 'test-cfree-approach-pose': StreamInfo(p_success=1e-2, verbose=verbose),
        # 'test-cfree-traj-pose': StreamInfo(p_success=1e-1, verbose=verbose),
        'MoveCost': FunctionInfo(opt_move_cost_fn),
    }
    stream_info.update({
        'sample-pose':
        StreamInfo(PartialInputs('?r')),
        'inverse-kinematics':
        StreamInfo(PartialInputs('?p')),
        'plan-base-motion':
        StreamInfo(PartialInputs('?q1 ?q2'),
                   defer_fn=defer_shared if defer else never_defer),
    } if partial else {
        'sample-pose': StreamInfo(from_fn(opt_pose_fn)),
        'inverse-kinematics': StreamInfo(from_fn(opt_ik_fn)),
        'plan-base-motion': StreamInfo(from_fn(opt_motion_fn)),
    })
    _, _, _, stream_map, init, goal = pddlstream_problem
    print('Init:', init)
    print('Goal:', goal)
    print('Streams:', str_from_object(set(stream_map)))
    print(SEPARATOR)

    with Profiler():
        with LockRenderer(lock=not args.enable):
            solution = solve(pddlstream_problem,
                             algorithm=args.algorithm,
                             unit_costs=args.unit,
                             stream_info=stream_info,
                             success_cost=INF,
                             verbose=True,
                             debug=False)
            saver.restore()

    print_solution(solution)
    plan, cost, evaluations = solution
    if (plan is None) or not has_gui():
        disconnect()
        return

    print(SEPARATOR)
    with LockRenderer(lock=not args.enable):
        commands = post_process(problem, plan)
        problem.remove_gripper()
        saver.restore()

    #restore_state(state_id)
    saver.restore()
    wait_if_gui('Execute?')
    if args.simulate:
        control_commands(commands)
    else:
        apply_commands(State(), commands, time_step=0.01)
    wait_if_gui('Finish?')
    disconnect()