pymoveit_mtc.stages.SimpleUnGrasp¶

class SimpleUnGrasp(self: pymoveit_mtc.stages.SimpleUnGrasp, pose_generator: pymoveit_mtc.core.Stage, name: str = 'ungrasp')¶

Bases: SimpleGraspBase

Specialization of SimpleGraspBase to realize ungrasping

Take a look at the Pick and Place Tutorial for an in-depth look, as well as the How-To Guide for a minimal implementation of a task hierarchy that makes use of the SimpleUnGrasp stage.

Methods

`add`	Insert a stage at the end of the current children list
`clear`	Remove all stages from the container
`init`	Initialize the stage once before planning.
`insert`	Insert a stage before the given index into the children list
`remove`	Overloaded function.
`reset`	Reset the Stage.
`setCostTerm`	Overloaded function.
`setIKFrame`	Overloaded function.
`setMaxIKSolutions`	Set the maximum number of inverse kinematics solutions that should be computed.

Attributes

`eef`	The end effector of the robot
`failures`	Failed Solutions of the stage (read-only)
`forwarded_properties`	set of properties forwarded from input to output InterfaceState
`grasp`	Name of the grasp pose
`ik_frame`	Set the frame for which the inverse kinematics is calculated with respect to each pose generated by the pose_generator.
`marker_ns`	Namespace for any markers that are associated to the stage
`name`	name of the stage displayed e.g.
`object`	The object to grasp (Must be present in the planning scene)
`pregrasp`	Name of the pre-grasp pose
`properties`	PropertyMap of the stage (read-only)
`solutions`	Successful Solutions of the stage (read-only)
`timeout`	Maximally allowed time [s] per computation step

class PropertyInitializerSource(self: pymoveit_mtc.core.Stage.PropertyInitializerSource, value: int)¶

Bases: pybind11_object

OR-combinable flags defining a source to initialize a specific property from. Used in pymoveit_mtc.core.PropertyMap configureInitFrom().

Members:

PARENT : Inherit properties from parent stage

INTERFACE : Inherit properties from the input InterfaceState

property name¶

__getitem__(*args, **kwargs)¶

Overloaded function.

__getitem__(self: pymoveit_mtc.core.ContainerBase, arg0: str) -> pymoveit_mtc.core.Stage
__getitem__(self: pymoveit_mtc.core.ContainerBase, arg0: int) -> pymoveit_mtc.core.Stage

__iter__(self: pymoveit_mtc.core.ContainerBase) → Iterator[pymoveit_mtc.core.Stage]¶

__len__(self: pymoveit_mtc.core.ContainerBase) → int¶

add(self: pymoveit_mtc.core.ContainerBase, *args) → None¶: Insert a stage at the end of the current children list

clear(self: pymoveit_mtc.core.ContainerBase) → None¶: Remove all stages from the container

property eef¶

The end effector of the robot

Type:: str

property failures¶

Failed Solutions of the stage (read-only)

Type:: Solutions

property forwarded_properties¶

set of properties forwarded from input to output InterfaceState

Type:: list

property grasp¶

Name of the grasp pose

Type:: str

property ik_frame¶

Set the frame for which the inverse kinematics is calculated with respect to each pose generated by the pose_generator.

Type:: PoseStamped

init(self: pymoveit_mtc.core.Stage, robot_model: moveit::core::RobotModel) → None¶: Initialize the stage once before planning. Will setup properties configured for initialization from parent.

insert(self: pymoveit_mtc.core.ContainerBase, stage: pymoveit_mtc.core.Stage, before: int = -1) → None¶: Insert a stage before the given index into the children list

property marker_ns¶

Namespace for any markers that are associated to the stage

Type:: str

property name¶

name of the stage displayed e.g. in rviz

Type:: str

property object¶

The object to grasp (Must be present in the planning scene)

Type:: str

property pregrasp¶

Name of the pre-grasp pose

Type:: str

property properties¶

PropertyMap of the stage (read-only)

Type:: PropertyMap

remove(*args, **kwargs)¶

Overloaded function.

remove(self: pymoveit_mtc.core.ContainerBase, pos: int) -> pymoveit_mtc.core.Stage

Remove child stage by index

remove(self: pymoveit_mtc.core.ContainerBase, child: pymoveit_mtc.core.Stage) -> pymoveit_mtc.core.Stage

Remove child stage by instance

reset(self: pymoveit_mtc.core.Stage) → None¶: Reset the Stage. Clears all solutions, interfaces and inherited properties

setCostTerm(*args, **kwargs)¶

Overloaded function.

setCostTerm(self: pymoveit_mtc.core.Stage, arg0: pymoveit_mtc.core.CostTerm) -> None

Specify a CostTerm for calculation of stage costs

setCostTerm(self: pymoveit_mtc.core.Stage, arg0: Callable[[pymoveit_mtc.core.SubTrajectory, str], float]) -> None

Specify a function to calculate trajectory costs

setCostTerm(self: pymoveit_mtc.core.Stage, arg0: Callable[[pymoveit_mtc.core.SubTrajectory], float]) -> None

Specify a function to calculate trajectory costs

setIKFrame(*args, **kwargs)¶

Overloaded function.

setIKFrame(self: pymoveit_mtc.stages.SimpleGraspBase, transform: geometry_msgs::PoseStamped_<std::allocator<void> >) -> None

Set the frame as a PoseStamped for which the inverse kinematics are calculated with respect to each pose generated by the pose_generator.
setIKFrame(self: pymoveit_mtc.stages.SimpleGraspBase, pose: Eigen::Transform<double, 3, 1, 0>, link: str) -> None

Set the frame as a PoseStamped for which the inverse kinematics are calculated with respect to each pose generated by the pose_generator.
setIKFrame(self: pymoveit_mtc.stages.SimpleGraspBase, link: str) -> None

Set the frame for which the inverse kinematics are calculated with respect to each pose generated by the pose_generator.

setMaxIKSolutions(self: pymoveit_mtc.stages.SimpleGraspBase, max_ik_solutions: int) → None¶: Set the maximum number of inverse kinematics solutions that should be computed.

property solutions¶: Successful Solutions of the stage (read-only)

property timeout¶

Maximally allowed time [s] per computation step

Type:: float