def constraint_planner(start_robot_state, goal_config, group_handle, planner_name, planning_attemps, planning_time): planning_workspace = WorkspaceParameters(); planning_workspace.header.frame_id = "/base_link"; planning_workspace.header.stamp = rospy.Time.now(); planning_workspace.min_corner.x = -1; planning_workspace.min_corner.y = -1; planning_workspace.min_corner.z = -1; planning_workspace.max_corner.x = 1; planning_workspace.max_corner.y = 1; planning_workspace.max_corner.z = 1; # Set Start start_state = RobotState(); start_state = start_robot_state; print ">>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>"; #print start_robot_state; # Set Goal goal_state = Constraints(); Jnt_constraint = setJointConstraints(goal_config, group_handle); goal_state.joint_constraints = Jnt_constraint; #print Jnt_constraint; # Set Constraints des_w = -0.070099; des_x = 0.41382; des_y = -0.57302; des_z = 0.70391; rotation_constraints = setOrientationConstraints(des_w,des_x,des_y,des_z,group_handle, weight = 1.0); # Generating Request planningRequest = MotionPlanRequest(); planningRequest.workspace_parameters = planning_workspace; planningRequest.start_state = start_robot_state; planningRequest.goal_constraints.append(goal_state); # Setting Constraint planningRequest.path_constraints.name = 'scoop_constraint'; planningRequest.path_constraints.orientation_constraints.append(rotation_constraints); #traj_constraint = Constraints(); #traj_constraint.orientation_constraints.append(rotation_constraints); #planningRequest.trajectory_constraints.constraints.append(traj_constraint); planningRequest.planner_id = "RRTConnectkConfigDefault"; planningRequest.group_name = group_handle.get_name(); planningRequest.num_planning_attempts = planning_attemps; planningRequest.allowed_planning_time = planning_time; planningRequest.max_velocity_scaling_factor = 1.0; Planning_req.publish(planningRequest);
def motionPlanToPose(self,
pose,
tolerance=0.01,
wait=True,
**kwargs):
'''
Move the arm to set of joint position goals
:param joints: joint names for which the target position
is specified.
:param positions: target joint positions
:param tolerance: allowed tolerance in the final joint positions.
:param wait: if enabled, makes the fuctions wait until the
target joint position is reached
:type joints: list of string element type
:type positions: list of float element type
:type tolerance: float
:type wait: bool
'''
# Check arguments
supported_args = ("max_velocity_scaling_factor",
"max_acceleration_scaling_factor",
"planner_id",
"planning_scene_diff",
"planning_time",
"plan_only",
"start_state")
for arg in kwargs.keys():
if not arg in supported_args:
rospy.loginfo("motionPlanToPose: unsupported argument: %s",
arg)
# Create goal
g = MotionPlanRequest()
# 1. fill in request workspace_parameters
# 2. fill in request start_state
try:
g.start_state = kwargs["start_state"]
except KeyError:
g.start_state.is_diff = True
# 3. fill in request goal_constraints
c1 = Constraints()
c1.position_constraints.append(PositionConstraint())
c1.position_constraints[0].header.frame_id = self._fixed_frame
c1.position_constraints[0].link_name = self._gripper_frame
# c1.position_constraints[0].target_point_offset
b = BoundingVolume()
s = SolidPrimitive()
s.dimensions = [tolerance]
s.type = s.SPHERE
b.primitives.append(s)
b.primitive_poses.append(pose)
c1.position_constraints[0].constraint_region = b
c1.position_constraints[0].weight = 1.0
c1.orientation_constraints.append(OrientationConstraint())
c1.orientation_constraints[0].header.frame_id = self._fixed_frame
c1.orientation_constraints[0].orientation = pose.orientation
c1.orientation_constraints[0].link_name = self._gripper_frame
c1.orientation_constraints[0].absolute_x_axis_tolerance = tolerance
c1.orientation_constraints[0].absolute_y_axis_tolerance = tolerance
c1.orientation_constraints[0].absolute_z_axis_tolerance = tolerance
c1.orientation_constraints[0].weight = 1.0
g.goal_constraints.append(c1)
# 4. fill in request path constraints
# 5. fill in request trajectory constraints
# 6. fill in request planner id
try:
g.planner_id = kwargs["planner_id"]
except KeyError:
if self.planner_id:
g.planner_id = self.planner_id
# 7. fill in request group name
g.group_name = self._group
# 8. fill in request number of planning attempts
try:
g.num_planning_attempts = kwargs["num_attempts"]
except KeyError:
g.num_planning_attempts = 1
# 9. fill in request allowed planning time
try:
g.allowed_planning_time = kwargs["planning_time"]
except KeyError:
g.allowed_planning_time = self.planning_time
# 10. Fill in velocity scaling factor
try:
g.max_velocity_scaling_factor = kwargs["max_velocity_scaling_factor"]
except KeyError:
pass # do not fill in at all
# 11. Fill in acceleration scaling factor
try:
g.max_velocity_scaling_factor = kwargs["max_acceleration_scaling_factor"]
except KeyError:
pass # do not fill in at all
result = self._mp_service(g)
traj = result.motion_plan_response.trajectory.joint_trajectory.points
if len(traj) < 1:
rospy.logwarn('No motion plan found.')
return None
return traj
def motionPlanToJointPosition(self,
joints,
positions,
tolerance=0.01,
wait=True,
**kwargs):
'''
Move the arm to set of joint position goals
:param joints: joint names for which the target position
is specified.
:param positions: target joint positions
:param tolerance: allowed tolerance in the final joint positions.
:param wait: if enabled, makes the fuctions wait until the
target joint position is reached
:type joints: list of string element type
:type positions: list of float element type
:type tolerance: float
:type wait: bool
'''
# Check arguments
supported_args = ("max_velocity_scaling_factor",
"max_acceleration_scaling_factor",
"planner_id",
"planning_scene_diff",
"planning_time",
"plan_only",
"start_state")
for arg in kwargs.keys():
if not arg in supported_args:
rospy.loginfo("motionPlanToPose: unsupported argument: %s",
arg)
# Create goal
g = MotionPlanRequest()
# 1. fill in request workspace_parameters
# 2. fill in request start_state
try:
g.start_state = kwargs["start_state"]
except KeyError:
g.start_state.is_diff = True
# 3. fill in request goal_constraints
c1 = Constraints()
for i in range(len(joints)):
c1.joint_constraints.append(JointConstraint())
c1.joint_constraints[i].joint_name = joints[i]
c1.joint_constraints[i].position = positions[i]
c1.joint_constraints[i].tolerance_above = tolerance
c1.joint_constraints[i].tolerance_below = tolerance
c1.joint_constraints[i].weight = 1.0
g.goal_constraints.append(c1)
# 4. fill in request path constraints
# 5. fill in request trajectory constraints
# 6. fill in request planner id
try:
g.planner_id = kwargs["planner_id"]
except KeyError:
if self.planner_id:
g.planner_id = self.planner_id
# 7. fill in request group name
g.group_name = self._group
# 8. fill in request number of planning attempts
try:
g.num_planning_attempts = kwargs["num_attempts"]
except KeyError:
g.num_planning_attempts = 1
# 9. fill in request allowed planning time
try:
g.allowed_planning_time = kwargs["planning_time"]
except KeyError:
g.allowed_planning_time = self.planning_time
# 10. Fill in velocity scaling factor
try:
g.max_velocity_scaling_factor = kwargs["max_velocity_scaling_factor"]
except KeyError:
pass # do not fill in at all
# 11. Fill in acceleration scaling factor
try:
g.max_velocity_scaling_factor = kwargs["max_acceleration_scaling_factor"]
except KeyError:
pass # do not fill in at all
result = self._mp_service(g)
traj = result.motion_plan_response.trajectory.joint_trajectory.points
if len(traj) < 1:
rospy.logwarn('No motion plan found.')
return None
return traj
jc0.position = -4.43859335239
jc0.tolerance_above = 0.0001
jc0.tolerance_below = 0.0001
jc0.weight = 1.0
cons = Constraints()
cons.name = ""
cons.joint_constraints.append(jc2)
cons.joint_constraints.append(jc3)
cons.joint_constraints.append(jc4)
cons.joint_constraints.append(jc5)
cons.joint_constraints.append(jc1)
cons.joint_constraints.append(jc0)
msg.workspace_parameters = workspace_parameters
msg.start_state = start_state
msg.goal_constraints.append(cons)
msg.num_planning_attempts = 1
msg.allowed_planning_time = 5.0
msg.group_name = "manipulator"
move_group_goal.request = msg
client.send_goal(move_group_goal)
client.wait_for_result(rospy.Duration.from_sec(5.0))
except rospy.ROSInterruptException, e:
print "failed: %s"%e
def joint_position_callback(joints):
global plan_only
fixed_frame = rospy.get_param("/fixed_frame")
client = actionlib.SimpleActionClient('move_group', MoveGroupAction)
client.wait_for_server()
move_group_goal = MoveGroupGoal()
try:
msg = MotionPlanRequest()
workspace_parameters = WorkspaceParameters()
workspace_parameters.header.stamp = rospy.Time.now()
workspace_parameters.header.frame_id = fixed_frame
workspace_parameters.min_corner = Vector3(-1.0, -1.0, -1.0)
workspace_parameters.max_corner = Vector3(1.0, 1.0, 1.0)
start_state = RobotState()
# start_state.joint_state.header.stamp = rospy.Time.now()
start_state.joint_state.header.frame_id = fixed_frame
start_state.joint_state.name = []
start_state.joint_state.position = []
cons = Constraints()
cons.name = ""
i = 0
for dim in joints.start_joint.layout.dim:
start_state.joint_state.name.append(dim.label)
start_state.joint_state.position.append(joints.start_joint.data[i])
jc = JointConstraint()
jc.joint_name = dim.label
jc.position = joints.goal_joint.data[i]
jc.tolerance_above = 0.0001
jc.tolerance_below = 0.0001
jc.weight = 1.0
i = i + 1
cons.joint_constraints.append(jc)
msg.workspace_parameters = workspace_parameters
msg.start_state = start_state
msg.goal_constraints.append(cons)
msg.num_planning_attempts = 1
msg.allowed_planning_time = 5.0
msg.group_name = joints.group_name
move_group_goal.request = msg
if joints.plan_only:
plan_only = True
move_group_goal.planning_options.plan_only = True
else:
plan_only = False
client.send_goal(move_group_goal)
client.wait_for_result(rospy.Duration.from_sec(5.0))
except rospy.ROSInterruptException, e:
print "failed: %s"%e
jc0.position = -4.43859335239
jc0.tolerance_above = 0.0001
jc0.tolerance_below = 0.0001
jc0.weight = 1.0
cons = Constraints()
cons.name = ""
cons.joint_constraints.append(jc2)
cons.joint_constraints.append(jc3)
cons.joint_constraints.append(jc4)
cons.joint_constraints.append(jc5)
cons.joint_constraints.append(jc1)
cons.joint_constraints.append(jc0)
msg.workspace_parameters = workspace_parameters
msg.start_state = start_state
msg.goal_constraints.append(cons)
msg.num_planning_attempts = 1
msg.allowed_planning_time = 5.0
msg.group_name = "manipulator"
move_group_goal.request = msg
client.send_goal(move_group_goal)
client.wait_for_result(rospy.Duration.from_sec(5.0))
except rospy.ROSInterruptException, e:
print "failed: %s" % e
def joint_position_callback(joints):
global plan_only
fixed_frame = rospy.get_param("/fixed_frame")
client = actionlib.SimpleActionClient('move_group', MoveGroupAction)
client.wait_for_server()
move_group_goal = MoveGroupGoal()
try:
msg = MotionPlanRequest()
workspace_parameters = WorkspaceParameters()
workspace_parameters.header.stamp = rospy.Time.now()
workspace_parameters.header.frame_id = fixed_frame
workspace_parameters.min_corner = Vector3(-1.0, -1.0, -1.0)
workspace_parameters.max_corner = Vector3(1.0, 1.0, 1.0)
start_state = RobotState()
# start_state.joint_state.header.stamp = rospy.Time.now()
start_state.joint_state.header.frame_id = fixed_frame
start_state.joint_state.name = []
start_state.joint_state.position = []
cons = Constraints()
cons.name = ""
i = 0
for dim in joints.start_joint.layout.dim:
start_state.joint_state.name.append(dim.label)
start_state.joint_state.position.append(joints.start_joint.data[i])
jc = JointConstraint()
jc.joint_name = dim.label
jc.position = joints.goal_joint.data[i]
jc.tolerance_above = 0.0001
jc.tolerance_below = 0.0001
jc.weight = 1.0
i = i + 1
cons.joint_constraints.append(jc)
msg.workspace_parameters = workspace_parameters
msg.start_state = start_state
msg.goal_constraints.append(cons)
msg.num_planning_attempts = 1
msg.allowed_planning_time = 5.0
msg.group_name = joints.group_name
move_group_goal.request = msg
if joints.plan_only:
plan_only = True
move_group_goal.planning_options.plan_only = True
else:
plan_only = False
client.send_goal(move_group_goal)
client.wait_for_result(rospy.Duration.from_sec(5.0))
except rospy.ROSInterruptException, e:
print "failed: %s" % e
