class BedMaker():
def __init__(self, args):
"""For data collection of bed-making, NOT the deployment.
Assumes we roll out the robot's policy via code (not via human touch).
This is the 'slower' way where we have the python interface that the
human clicks on to indicate grasping points. Good news is, our deployment
code is probably going to be similar to this.
For joystick: you only need it plugged in for the initial state sampler,
which (at the moment) we are not even using.
"""
self.robot = robot = hsrb_interface.Robot()
self.rgbd_map = RGBD2Map()
self.omni_base = robot.get('omni_base')
self.whole_body = robot.get('whole_body')
self.cam = RGBD()
self.com = COM()
self.wl = Python_Labeler(cam=self.cam)
# View mode: STANDARD (the way I was doing earlier), CLOSE (the way they want).
self.view_mode = cfg.VIEW_MODE
# Set up initial state, table, etc.
self.com.go_to_initial_state(self.whole_body)
self.tt = TableTop()
# For now, a workaround. Ugly but it should do the job ...
#self.tt.find_table(robot)
self.tt.make_fake_ar()
self.tt.find_table_workaround(robot)
#self.ins = InitialSampler(self.cam)
self.side = 'BOTTOM'
self.grasp_count = 0
# Bells and whistles; note the 'success check' to check if transitioning
self.br = tf.TransformBroadcaster()
self.tl = TransformListener()
self.gp = GraspPlanner()
self.gripper = Bed_Gripper(self.gp, self.cam, self.com.Options,
robot.get('gripper'))
self.sc = Success_Check(self.whole_body, self.tt, self.cam,
self.omni_base)
time.sleep(4)
print(
"Finished creating BedMaker()! Get the bed set up and run bed-making!"
)
if cfg.INS_SAMPLE:
print("TODO: we don't have sampling code here.")
# When we start, spin this so we can check the frames. Then un-comment,
# etc. It's the current hack we have to get around crummy AR marker detection.
if args.phase == 1:
print("Now doing rospy.spin() because phase = 1.")
rospy.spin()
def bed_make(self):
"""Runs the pipeline for data collection.
You can run this for multiple bed-making trajectories.
For now, though, assume one call to this means one trajectory.
"""
self.rollout_data = []
self.get_new_grasp = True
# I think, creates red line in GUI where we adjust the bed to match it.
# But in general we better fix our sampler before doing this for real.
# Don't forget to press 'B' on the joystick to get past this screen.
if cfg.INS_SAMPLE:
u_c, d_c = self.ins.sample_initial_state()
self.rollout_data.append([u_c, d_c])
while True:
c_img = self.cam.read_color_data()
d_img = self.cam.read_depth_data()
if (not c_img.all() == None and not d_img.all() == None):
if self.get_new_grasp:
self.position_head()
# Human supervisor labels. data = dictionary of relevant info
data = self.wl.label_image(c_img)
c_img = self.cam.read_color_data()
d_img = self.cam.read_depth_data()
self.add_data_point(c_img, d_img, data, self.side, 'grasp')
# Broadcasts grasp pose
self.gripper.find_pick_region_labeler(
data, c_img, d_img, self.grasp_count)
# Execute the grasp and check for success. But if VIEW_MODE is
# close, better to reset to a 'nicer' position for base movement.
pick_found, bed_pick = self.check_card_found()
if self.side == "BOTTOM":
self.whole_body.move_to_go()
self.tt.move_to_pose(self.omni_base, 'lower_start')
self.gripper.execute_grasp(bed_pick, self.whole_body,
'head_down')
else:
self.whole_body.move_to_go()
self.tt.move_to_pose(self.omni_base, 'top_mid')
self.gripper.execute_grasp(bed_pick, self.whole_body,
'head_up')
self.check_success_state()
def check_success_state(self):
"""
Checks whether a single grasp in a bed-making trajectory succeeded.
Depends on which side of the bed the HSR is at. Invokes human supervisor
and transitions the HSR if successful.
"""
if self.side == "BOTTOM":
success, data = self.sc.check_bottom_success(self.wl)
else:
success, data = self.sc.check_top_success(self.wl)
c_img = self.cam.read_color_data()
d_img = self.cam.read_depth_data()
self.add_data_point(c_img, d_img, data, self.side, 'success')
print("WAS SUCCESFUL: {}".format(success))
# Handle transitioning to different side
if success:
if self.side == "BOTTOM":
self.transition_to_top()
else:
self.transition_to_start()
self.update_side()
self.grasp_count += 1
self.get_new_grasp = True
else:
self.grasp_count += 1
# If grasp failure, invokes finding region again and add new data
self.gripper.find_pick_region_labeler(data, c_img, d_img,
self.grasp_count)
self.add_data_point(c_img, d_img, data, self.side, 'grasp')
self.get_new_grasp = False
def update_side(self):
"""TODO: extend to multiple side switches?"""
if self.side == "BOTTOM":
self.side = "TOP"
def transition_to_top(self):
"""Transition to top (not bottom)."""
self.move_to_top_side()
def transition_to_start(self):
"""Transition to start=bottom, save rollout data, exit program.
Saves to a supervisor's directory since we're using a supervisor.
"""
self.com.save_rollout(self.rollout_data)
self.move_to_start()
sys.exit()
def add_data_point(self, c_img, d_img, data, side, typ, pose=None):
"""Adds a dictionary to the `rollout_data` list."""
grasp_point = {}
grasp_point['c_img'] = c_img
grasp_point['d_img'] = d_img
if pose == None:
label = data['objects'][0]['box']
pose = [(label[2] - label[0]) / 2.0 + label[0],
(label[3] - label[1]) / 2.0 + label[1]]
grasp_point['pose'] = pose
grasp_point['class'] = data['objects'][0]['class']
grasp_point['side'] = side
grasp_point['type'] = typ
self.rollout_data.append(grasp_point)
def position_head(self):
"""Position the head for a grasp attempt.
After playing around a bit, I think `head_tilt_joint` should be set last.
"""
self.whole_body.move_to_go()
if self.side == "BOTTOM":
self.tt.move_to_pose(self.omni_base, 'lower_start_tmp')
self.whole_body.move_to_joint_positions(
{'arm_flex_joint': -np.pi / 16.0})
self.whole_body.move_to_joint_positions(
{'head_pan_joint': np.pi / 2.0})
self.whole_body.move_to_joint_positions({'arm_lift_joint': 0.120})
self.whole_body.move_to_joint_positions(
{'head_tilt_joint': -np.pi / 4.0})
def move_to_top_side(self):
"""Assumes we're at the bottom and want to go to the top."""
self.whole_body.move_to_go()
self.tt.move_to_pose(self.omni_base, 'right_down')
self.tt.move_to_pose(self.omni_base, 'right_mid')
self.tt.move_to_pose(self.omni_base, 'right_up')
self.tt.move_to_pose(self.omni_base, 'top_mid_tmp')
def move_to_start(self):
"""Assumes we're at the top and we go back to the start."""
self.whole_body.move_to_go()
self.tt.move_to_pose(self.omni_base, 'right_up')
self.tt.move_to_pose(self.omni_base, 'right_mid')
self.tt.move_to_pose(self.omni_base, 'right_down')
self.tt.move_to_pose(self.omni_base, 'lower_mid')
def check_card_found(self):
"""Looks up the pose for where the HSR's hand should go to."""
transforms = self.tl.getFrameStrings()
cards = []
try:
for transform in transforms:
current_grasp = 'bed_' + str(self.grasp_count)
if current_grasp in transform:
print('found {}'.format(current_grasp))
f_p = self.tl.lookupTransform('map', transform,
rospy.Time(0))
cards.append(transform)
except:
rospy.logerr('bed pick not found yet')
return True, cards
datum = {}
img = cv2.imread(success)
data = wl.label_image(img)
label = data['objects'][0]['box']
pose = [(label[2] - label[0]) / 2.0 + label[0],
(label[3] - label[1]) / 2.0 + label[1]]
datum['c_img'] = img
datum['class'] = data['objects'][0]['class']
datum['side'] = 'BOTTOM'
datum['type'] = 'success'
datum['pose'] = pose
rollout_data.append(datum)
for success in t_success:
datum = {}
img = cv2.imread(success)
data = wl.label_image(img)
label = data['objects'][0]['box']
pose = [(label[2] - label[0]) / 2.0 + label[0],
(label[3] - label[1]) / 2.0 + label[1]]
datum['c_img'] = img
datum['class'] = data['objects'][0]['class']
datum['side'] = 'TOP'
datum['type'] = 'success'
datum['pose'] = pose
rollout_data.append(datum)
com.save_rollout(rollout_data)
class BedMaker():
def __init__(self):
'''
Initialization class for a Policy
Parameters
----------
yumi : An instianted yumi robot
com : The common class for the robot
cam : An open bincam class
debug : bool
A bool to indicate whether or not to display a training set point for
debuging.
'''
self.robot = hsrb_interface.Robot()
self.rgbd_map = RGBD2Map()
self.omni_base = self.robot.get('omni_base')
self.whole_body = self.robot.get('whole_body')
self.side = 'BOTTOM'
self.cam = RGBD()
self.com = COM()
if cfg.USE_WEB_INTERFACE:
self.wl = Web_Labeler()
else:
self.wl = Python_Labeler(cam=self.cam)
self.com.go_to_initial_state(self.whole_body)
self.tt = TableTop()
self.tt.find_table(self.robot)
self.grasp_count = 0
self.br = tf.TransformBroadcaster()
self.tl = TransformListener()
self.ins = InitialSampler(self.cam)
self.gp = GraspPlanner()
self.gripper = Bed_Gripper(self.gp, self.cam, self.com.Options,
self.robot.get('gripper'))
self.sc = Success_Check(self.whole_body, self.tt, self.cam,
self.omni_base)
self.ss = Self_Supervised(self.cam)
#self.test_current_point()
time.sleep(4)
#thread.start_new_thread(self.ql.run,())
print "after thread"
def find_mean_depth(self, d_img):
'''
Evaluates the current policy and then executes the motion
specified in the the common class
'''
indx = np.nonzero(d_img)
mean = np.mean(d_img[indx])
return
def bed_make(self):
self.rollout_data = []
self.get_new_grasp = True
if cfg.INS_SAMPLE:
u_c, d_c = self.ins.sample_initial_state()
self.rollout_data.append([u_c, d_c])
while True:
c_img = self.cam.read_color_data()
d_img = self.cam.read_depth_data()
if (not c_img == None and not d_img == None):
if self.get_new_grasp:
self.position_head()
data = self.wl.label_image(c_img)
c_img = self.cam.read_color_data()
d_img = self.cam.read_depth_data()
self.add_data_point(c_img, d_img, data, self.side, 'grasp')
self.gripper.find_pick_region_labeler(
data, c_img, d_img, self.grasp_count)
if cfg.SS_LEARN:
grasp_points = self.ss.learn(self.whole_body,
self.grasp_count)
self.add_ss_data(grasp_points, data, self.side,
'grasp')
pick_found, bed_pick = self.check_card_found()
if self.side == "BOTTOM":
self.gripper.execute_grasp(bed_pick, self.whole_body,
'head_down')
else:
self.gripper.execute_grasp(bed_pick, self.whole_body,
'head_up')
self.check_success_state()
def check_success_state(self):
if self.side == "BOTTOM":
success, data = self.sc.check_bottom_success(self.wl)
else:
success, data = self.sc.check_top_success(self.wl)
c_img = self.cam.read_color_data()
d_img = self.cam.read_depth_data()
self.add_data_point(c_img, d_img, data, self.side, 'success')
print "WAS SUCCESFUL: "
print success
if (success):
if cfg.SS_LEARN:
grasp_points = self.ss.learn(self.whole_body, self.grasp_count)
self.add_ss_data(grasp_points, data, self.side, 'success')
if self.side == "BOTTOM":
self.transition_to_top()
else:
self.transition_to_start()
self.update_side()
self.grasp_count += 1
self.get_new_grasp = True
else:
self.grasp_count += 1
self.gripper.find_pick_region_labeler(data, c_img, d_img,
self.grasp_count)
self.add_data_point(c_img, d_img, data, self.side, 'grasp')
self.get_new_grasp = False
if cfg.SS_LEARN:
grasp_points = self.ss.learn(self.whole_body, self.grasp_count)
self.add_ss_data(grasp_points, data, self.side, 'success')
def update_side(self):
if self.side == "BOTTOM":
self.side = "TOP"
def transition_to_top(self):
if cfg.DEBUG_MODE:
self.com.save_rollout(self.rollout_data)
self.tt.move_to_pose(self.omni_base, 'lower_mid')
sys.exit()
else:
self.move_to_top_side()
def transition_to_start(self):
self.com.save_rollout(self.rollout_data)
self.move_to_start()
sys.exit()
def add_data_point(self, c_img, d_img, data, side, typ, pose=None):
grasp_point = {}
grasp_point['c_img'] = c_img
grasp_point['d_img'] = d_img
if pose == None:
label = data['objects'][0]['box']
pose = [(label[2] - label[0]) / 2.0 + label[0],
(label[3] - label[1]) / 2.0 + label[1]]
grasp_point['pose'] = pose
grasp_point['class'] = data['objects'][0]['class']
grasp_point['side'] = side
grasp_point['type'] = typ
self.rollout_data.append(grasp_point)
def position_head(self):
if self.side == "TOP":
self.whole_body.move_to_joint_positions({'head_tilt_joint': -0.8})
elif self.side == "BOTTOM":
self.tt.move_to_pose(self.omni_base, 'lower_start')
self.whole_body.move_to_joint_positions({'head_tilt_joint': -0.8})
def add_ss_data(self, g_points, data, side, typ):
for g_point in g_points:
self.add_data_point(g_point['c_img'],
g_point['d_img'],
data,
side,
typ,
pose=g_point['pose'])
def move_to_top_side(self):
self.tt.move_to_pose(self.omni_base, 'right_down')
#self.tt.move_to_pose(self.omni_base,'right_mid')
self.tt.move_to_pose(self.omni_base, 'right_up')
self.tt.move_to_pose(self.omni_base, 'top_mid')
def move_to_start(self):
self.tt.move_to_pose(self.omni_base, 'right_up')
#self.tt.move_to_pose(self.omni_base,'right_mid')
self.tt.move_to_pose(self.omni_base, 'right_down')
self.tt.move_to_pose(self.omni_base, 'lower_mid')
def check_bottom_success(self):
self.tt.move_to_pose(self.omni_base, 'lower_mid')
self.whole_body.move_to_joint_positions({'head_tilt_joint': -0.8})
def check_card_found(self):
# try:
transforms = self.tl.getFrameStrings()
cards = []
try:
for transform in transforms:
print transform
current_grasp = 'bed_' + str(self.grasp_count)
if current_grasp in transform:
print 'got here'
f_p = self.tl.lookupTransform('map', transform,
rospy.Time(0))
cards.append(transform)
except:
rospy.logerr('bed pick not found yet')
return True, cards
