Example #1
0
def main(viewer=False, display=True, simulate=False, teleport=False):
    # TODO: fix argparse & FastDownward
    #parser = argparse.ArgumentParser()  # Automatically includes help
    #parser.add_argument('-viewer', action='store_true', help='enable viewer.')
    #parser.add_argument('-display', action='store_true', help='enable viewer.')
    #args = parser.parse_args()

    connect(use_gui=viewer)
    problem_fn = holding_problem
    # holding_problem | stacking_problem | cleaning_problem | cooking_problem
    # cleaning_button_problem | cooking_button_problem
    problem = problem_fn()
    state_id = save_state()
    #saved_world = WorldSaver()
    dump_world()

    pddlstream_problem = pddlstream_from_problem(problem, teleport=teleport)
    _, _, _, stream_map, init, goal = pddlstream_problem
    synthesizers = [
        #StreamSynthesizer('safe-base-motion', {'plan-base-motion': 1,
        #                                       'TrajPoseCollision': 0, 'TrajGraspCollision': 0, 'TrajArmCollision': 0},
        #                  from_fn(get_base_motion_synth(problem, teleport))),
    ]
    print('Init:', init)
    print('Goal:', goal)
    print('Streams:', stream_map.keys())
    print('Synthesizers:', synthesizers)

    pr = cProfile.Profile()
    pr.enable()
    solution = solve_focused(pddlstream_problem,
                             synthesizers=synthesizers,
                             success_cost=INF)
    print_solution(solution)
    plan, cost, evaluations = solution
    pr.disable()
    pstats.Stats(pr).sort_stats('tottime').print_stats(10)
    if plan is None:
        return
    if (not display) or (plan is None):
        disconnect()
        return

    if viewer:
        restore_state(state_id)
    else:
        disconnect()
        connect(use_gui=True)
        problem = problem_fn()  # TODO: way of doing this without reloading?

    user_input('Execute?')
    commands = post_process(problem, plan)
    if simulate:
        enable_gravity()
        control_commands(commands)
    else:
        step_commands(commands, time_step=0.01)
    user_input('Finish?')
    disconnect()
Example #2
0
def main(display=True, simulate=False, teleport=False):
    parser = argparse.ArgumentParser()
    parser.add_argument('-viewer',
                        action='store_true',
                        help='enable the viewer while planning')
    #parser.add_argument('-display', action='store_true', help='displays the solution')
    args = parser.parse_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()
    #saved_world = WorldSaver()
    #dump_world()

    pddlstream_problem = pddlstream_from_problem(problem, teleport=teleport)

    stream_info = {
        'sample-pose': StreamInfo(PartialInputs('?r')),
        'inverse-kinematics': StreamInfo(PartialInputs('?p')),
        'plan-base-motion': StreamInfo(PartialInputs('?q1 ?q2')),
        'MoveCost': FunctionInfo(opt_move_cost_fn),
    }

    synthesizers = [
        StreamSynthesizer(
            'safe-base-motion', {
                'plan-base-motion': 1,
                'TrajPoseCollision': 0,
                'TrajGraspCollision': 0,
                'TrajArmCollision': 0,
            }, from_fn(get_base_motion_synth(problem, teleport))),
    ] if USE_SYNTHESIZERS else []

    _, _, _, stream_map, init, goal = pddlstream_problem
    print('Init:', init)
    print('Goal:', goal)
    print('Streams:', stream_map.keys())
    print('Synthesizers:', synthesizers)

    pr = cProfile.Profile()
    pr.enable()
    solution = solve_focused(pddlstream_problem,
                             stream_info=stream_info,
                             synthesizers=synthesizers,
                             success_cost=INF)
    print_solution(solution)
    plan, cost, evaluations = solution
    pr.disable()
    pstats.Stats(pr).sort_stats('tottime').print_stats(10)
    if plan is None:
        return
    if (not display) or (plan is None):
        disconnect()
        return

    commands = post_process(problem, plan)
    if args.viewer:
        restore_state(state_id)
    else:
        disconnect()
        connect(use_gui=True)
        with HideOutput():
            problem_fn()  # TODO: way of doing this without reloading?

    if simulate:
        enable_gravity()
        control_commands(commands)
    else:
        step_commands(commands, time_step=0.01)
    user_input('Finish?')
    disconnect()
Example #3
0
def main(display=True, teleport=False, partial=False, defer=False):
    parser = argparse.ArgumentParser()
    parser.add_argument('-simulate',
                        action='store_true',
                        help='Simulates the system')
    parser.add_argument('-viewer',
                        action='store_true',
                        help='enable the viewer while planning')
    #parser.add_argument('-display', action='store_true', help='displays the solution')
    args = parser.parse_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()
    #saved_world = WorldSaver()
    #dump_world()

    pddlstream_problem = pddlstream_from_problem(problem, teleport=teleport)

    stream_info = {
        '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),
        'MoveCost':
        FunctionInfo(opt_move_cost_fn),
    } 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)),
        'MoveCost': FunctionInfo(opt_move_cost_fn),
    }
    _, _, _, stream_map, init, goal = pddlstream_problem
    print('Init:', init)
    print('Goal:', goal)
    print('Streams:', stream_map.keys())

    pr = cProfile.Profile()
    pr.enable()
    with LockRenderer():
        #solution = solve_incremental(pddlstream_problem, debug=True)
        solution = solve_focused(pddlstream_problem,
                                 stream_info=stream_info,
                                 success_cost=INF,
                                 debug=False)
    print_solution(solution)
    plan, cost, evaluations = solution
    pr.disable()
    pstats.Stats(pr).sort_stats('tottime').print_stats(10)
    if plan is None:
        return
    if (not display) or (plan is None):
        disconnect()
        return

    with LockRenderer():
        commands = post_process(problem, plan)
    if args.viewer:
        restore_state(state_id)
    else:
        disconnect()
        connect(use_gui=True)
        with HideOutput():
            problem_fn()  # TODO: way of doing this without reloading?

    if args.simulate:
        control_commands(commands)
    else:
        apply_commands(State(), commands, time_step=0.01)
    user_input('Finish?')
    disconnect()