if not plan.joint_trajectory.points[0].velocities:
print('plan {} fail in picking!'.format(ii))
continue
group.execute(plan, wait =True)
# print("Planning in Rviz")
# for i in range(15):
# print(15-i)
# rospy.sleep(1)
###########
# Gripper #
###########
open_gripper(left)
close_gripper(left)
for i in range(3):
print(3-i)
rospy.sleep(1)
waypoints_lifting = []
waypoints_lifting.append(wpose1)
wpose2 = geometry_msgs.msg.Pose()
wpose2.orientation = Quaternion(q[0],q[1], q[2], q[3])
wpose2.position.x = t_pre[0]
wpose2.position.y = t_pre[1]
wpose2.position.z = 0.2
def main():
"""
Main Script
"""
#############
offset = -0.3
#############
# Make sure that you've looked at and understand path_planner.py before starting
planner = PathPlanner("left_arm")
##
## Init Gripper
##
rs = baxter_interface.RobotEnable(CHECK_VERSION)
init_state = rs.state().enabled
left = baxter_interface.Gripper('left', CHECK_VERSION)
# #Create a path constraint for the arm
# #UNCOMMENT FOR THE ORIENTATION CONSTRAINTS PART
# orien_const = OrientationConstraint()
# orien_const.link_name = "right_gripper";
# orien_const.header.frame_id = "base";
# orien_const.orientation.y = -1.0;
# orien_const.absolute_x_axis_tolerance = 0.1;
# orien_const.absolute_y_axis_tolerance = 0.1;
# orien_const.absolute_z_axis_tolerance = 0.1;
# orien_const.weight = 1.0;
tf_listener = tf.TransformListener(rospy.Duration(1))
id_num = raw_input("Input Grasp ID: ")
tf_listener.waitForTransform('base', "sample_grasp_" + str(id_num),
rospy.Time(0), rospy.Duration(2.0))
t, q = tf_listener.lookupTransform("base", "sample_grasp_" + str(id_num),
rospy.Time())
matrix = quaternion_matrix(q)
new_matrix = matrix
# new_matrix = np.eye(4)
# new_matrix[:, 0] = matrix[:, 2]
# new_matrix[:, 1] = -matrix[:, 1]
# new_matrix[:, 2] = matrix[:, 0]
t_pre = t + new_matrix[0:3, 2] * offset
quaternion_from_matrix
q = quaternion_from_matrix(new_matrix)
print("try to move to object...........Move it!")
##########
id_num = 0
##########
while not rospy.is_shutdown():
i_pregrasp = 0
while not rospy.is_shutdown():
###########################################
# if i_pregrasp > 5:
# tf_listener.waitForTransform('base', "sample_grasp_" + str(id_num), rospy.Time(0), rospy.Duration(2.0))
# t, q = tf_listener.lookupTransform("base", "sample_grasp_" + str(id_num), rospy.Time())
# if id_num > rospy.get_param('good_grasps'):
# print("Fail!")
# return
############################################
i_pregrasp += 1
try:
goal_1 = PoseStamped()
goal_1.header.frame_id = "base"
#x, y, and z position
goal_1.pose.position.x = t_pre[0]
goal_1.pose.position.y = t_pre[1]
goal_1.pose.position.z = t_pre[2]
#Orientation as a quaternion
goal_1.pose.orientation = Quaternion(q[0], q[1], q[2], q[3])
plan = planner.plan_to_pose(goal_1, list())
print(plan)
if not plan:
raise Exception("Execution failed")
## in Rviz
rospy.sleep(6)
raw_input("Press <Enter> to PRE grasp pose: ")
print("PRE grasp pose %d" % i_pregrasp)
# if not planner.execute_plan(plan):
# raise Exception("Execution failed")
except Exception as e:
print e
else:
break
i_grasp = 0
while not rospy.is_shutdown():
i_grasp += 1
try:
goal_2 = PoseStamped()
goal_2.header.frame_id = "base"
#x, y, and z position
goal_2.pose.position.x = t[0]
goal_2.pose.position.y = t[1]
goal_2.pose.position.z = t[2]
#Orientation as a quaternion
goal_2.pose.orientation = Quaternion(q[0], q[1], q[2], q[3])
plan = planner.plan_to_pose(goal_2, list())
if not plan:
raise Exception("Execution failed")
## in Rviz
rospy.sleep(6)
raw_input("Press <Enter> to GRASP pose : ")
print("GRASP pose %d" % i_grasp)
# if not planner.execute_plan(plan):
# raise Exception("Execution failed")
except Exception as e:
print e
else:
break
##
## grasp
##
# open_gripper(left)
# close_gripper(left)
i_leave = 1
while not rospy.is_shutdown():
i_leave += 1
try:
goal_3 = PoseStamped()
goal_3.header.frame_id = "base"
#x, y, and z position
# [0.551, 0.690, -0.049]
goal_3.pose.position.x = 0.551
goal_3.pose.position.y = 0.690
goal_3.pose.position.z = -0.049
#Orientation as a quaternion
goal_3.pose.orientation = Quaternion(q[0], q[1], q[2], q[3])
plan = planner.plan_to_pose(goal_3, list())
if not plan:
raise Exception("Execution failed")
rospy.sleep(6)
raw_input("Press <Enter> to LEAVE pose: ")
print("LEAVE pose %d" % i_leave)
# if not planner.execute_plan(plan):
# raise Exception("Execution failed")
except Exception as e:
print e
else:
break
##
## grasp
##
open_gripper(left)
raw_input("Press <Enter> to continue")
def main():
"""
Main Script
"""
#############
offset_p = -0.07
offset_g = 0.04
#############
# Make sure that you've looked at and understand path_planner.py before starting
planner = PathPlanner("left_arm")
##
## Init Gripper
##
rs = baxter_interface.RobotEnable(CHECK_VERSION)
init_state = rs.state().enabled
left = baxter_interface.Gripper('left', CHECK_VERSION)
tf_listener = tf.TransformListener(rospy.Duration(1))
raw_input("Press <Enter> to start!")
try_another_grasp = 0
good_grasps = rospy.get_param('good_grasps')
for g in range(good_grasps):
i_pregrasp = 0
## get grasp pose
tf_listener.waitForTransform('base', "sample_grasp_" + str(g),
rospy.Time(0), rospy.Duration(2.0))
t, q = tf_listener.lookupTransform("base", "sample_grasp_" + str(g),
rospy.Time())
matrix = quaternion_matrix(q)
new_matrix = np.eye(4)
new_matrix[:, 0] = matrix[:, 2]
new_matrix[:, 1] = -matrix[:, 1]
new_matrix[:, 2] = matrix[:, 0]
t_pre = t + new_matrix[0:3, 2] * offset_p
t_g = t + new_matrix[0:3, 2] * offset_g
quaternion_from_matrix
q = quaternion_from_matrix(new_matrix)
print("try grasp {0} to move to object...........Move it!".format(g))
while not rospy.is_shutdown():
i_pregrasp += 1
try:
goal_1 = PoseStamped()
goal_1.header.frame_id = "base"
#x, y, and z position
goal_1.pose.position.x = t_pre[0]
goal_1.pose.position.y = t_pre[1]
goal_1.pose.position.z = t_pre[2]
#Orientation as a quaternion
goal_1.pose.orientation = Quaternion(q[0], q[1], q[2], q[3])
plan = planner.plan_to_pose(goal_1, list())
## In Rviz
# rospy.sleep(6)
# raw_input("Press <Enter> to PRE grasp pose: ")
print("PRE grasp pose {0}, try {1} times".format(
g, i_pregrasp))
if not planner.execute_plan(plan):
raise Exception("Execution failed")
except Exception as e:
print e
## jump to next grasp pose (1)
if i_pregrasp > 2:
try_another_grasp = 1
break
else:
break
## jump to next grasp pose (2)
if try_another_grasp == 1:
print('Try another !')
try_another_grasp = 0
planner.clear_goal()
continue
i_grasp = 0
while not rospy.is_shutdown():
i_grasp += 1
try:
goal_2 = PoseStamped()
goal_2.header.frame_id = "base"
#x, y, and z position
goal_2.pose.position.x = t_g[0]
goal_2.pose.position.y = t_g[1]
goal_2.pose.position.z = t_g[2]
#Orientation as a quaternion
goal_2.pose.orientation = Quaternion(q[0], q[1], q[2], q[3])
plan = planner.plan_to_pose(goal_2, list())
## in Rviz
# rospy.sleep(6)
# raw_input("Press <Enter> to GRASP pose : ")
print("GRASP pose %d" % i_grasp)
if not planner.execute_plan(plan):
raise Exception("Execution failed")
except Exception as e:
print e
else:
break
##
## grasp
##
open_gripper(left)
close_gripper(left)
i_leave = 1
while not rospy.is_shutdown():
i_leave += 1
try:
goal_3 = PoseStamped()
goal_3.header.frame_id = "base"
#x, y, and z position
# [0.551, 0.690, -0.049]
goal_3.pose.position.x = 0.551
goal_3.pose.position.y = 0.690
goal_3.pose.position.z = -0.049
#Orientation as a quaternion
goal_3.pose.orientation = Quaternion(q[0], q[1], q[2], q[3])
plan = planner.plan_to_pose(goal_3, list())
# raw_input("Press <Enter> to LEAVE pose: ")
print("LEAVE pose %d" % i_leave)
if not planner.execute_plan(plan):
raise Exception("Execution failed")
except Exception as e:
print e
else:
break
##
## grasp
##
open_gripper(left)
raw_input("Press <Enter> to continue")