Source code for compas_fab.backends.interfaces.backend_features


from __future__ import absolute_import
from __future__ import division
from __future__ import print_function


[docs]class ForwardKinematics(object): """Interface for a Planner's forward kinematics feature. Any implementation of ``ForwardKinematics`` must define the method ``forward_kinematics``. The ``__call__`` magic method allows an instance of an implementation of ``ForwardKinematics`` to be treated as its ``forward_kinematics`` method. See <https://docs.python.org/3/reference/datamodel.html#object.__call__> and <https://en.wikipedia.org/wiki/Function_object#In_Python>. """ def __call__(self, robot, configuration, group=None, options=None): return self.forward_kinematics(robot, configuration, group, options)
[docs] def forward_kinematics(self, robot, configuration, group=None, options=None): """Calculate the robot's forward kinematic. Parameters ---------- robot : :class:`compas_fab.robots.Robot` The robot instance for which forward kinematics is being calculated. configuration : :class:`compas_fab.robots.Configuration` The full configuration to calculate the forward kinematic for. If no full configuration is passed, the zero-joint state for the other configurable joints is assumed. group : str, optional The name of the group to be used in the calculation. options : dict, optional Dictionary containing kwargs for arguments specific to the client being queried. Returns ------- :class:`Frame` The frame in the world's coordinate system (WCF). """ pass
[docs]class InverseKinematics(object): """Interface for a Planner's inverse kinematics feature. Any implementation of ``InverseKinematics`` must define the method ``inverse_kinematics``. The ``__call__`` magic method allows an instance of an implementation of ``InverseKinematics`` to be treated as its ``inverse_kinematics`` method. See <https://docs.python.org/3/reference/datamodel.html#object.__call__> and <https://en.wikipedia.org/wiki/Function_object#In_Python>. """ def __call__(self, robot, frame_WCF, start_configuration=None, group=None, options=None): return self.inverse_kinematics(robot, frame_WCF, start_configuration, group, options)
[docs] def inverse_kinematics(self, robot, frame_WCF, start_configuration=None, group=None, options=None): """Calculate the robot's inverse kinematic for a given frame. Parameters ---------- robot : :class:`compas_fab.robots.Robot` The robot instance for which inverse kinematics is being calculated. frame_WCF: :class:`compas.geometry.Frame` The frame to calculate the inverse for. start_configuration: :class:`compas_fab.robots.Configuration`, optional group: str, optional The planning group used for calculation. options: dict, optional Dictionary containing kwargs for arguments specific to the client being queried. Returns ------- :obj:`tuple` of :obj:`list` A tuple of 2 elements containing a list of joint positions and a list of matching joint names. """ pass
[docs]class PlanMotion(object): """Interface for a Planner's plan motion feature. Any implementation of ``PlanMotion`` must define the method ``plan_motion``. The ``__call__`` magic method allows an instance of an implementation of ``PlanMotion`` to be treated as its ``plan_motion`` method. See <https://docs.python.org/3/reference/datamodel.html#object.__call__> and <https://en.wikipedia.org/wiki/Function_object#In_Python>. """ def __call__(self, robot, goal_constraints, start_configuration=None, group=None, options=None): return self.plan_motion(robot, goal_constraints, start_configuration, group, options)
[docs] def plan_motion(self, robot, goal_constraints, start_configuration=None, group=None, options=None): """Calculates a motion path. Parameters ---------- robot : :class:`compas_fab.robots.Robot` The robot instance for which the motion path is being calculated. goal_constraints: list of :class:`compas_fab.robots.Constraint` The goal to be achieved, defined in a set of constraints. Constraints can be very specific, for example defining value domains for each joint, such that the goal configuration is included, or defining a volume in space, to which a specific robot link (e.g. the end-effector) is required to move to. start_configuration: :class:`compas_fab.robots.Configuration`, optional The robot's full configuration, i.e. values for all configurable joints of the entire robot, at the starting position. group: str, optional The name of the group to plan for. options : dict, optional Dictionary containing kwargs for arguments specific to the client being queried. Returns ------- :class:`compas_fab.robots.JointTrajectory` The calculated trajectory. """ pass
[docs]class PlanCartesianMotion(object): """Interface for a Planner's plan cartesian motion feature. Any implementation of ``PlanCartesianMotion`` must define the method ``plan_cartesian_motion``. The ``__call__`` magic method allows an instance of an implementation of ``PlanCartesianMotion`` to be treated as its ``plan_cartesian_motion`` method. See <https://docs.python.org/3/reference/datamodel.html#object.__call__> and <https://en.wikipedia.org/wiki/Function_object#In_Python>. """ def __call__(self, robot, frames_WCF, start_configuration=None, group=None, options=None): return self.plan_cartesian_motion(robot, frames_WCF, start_configuration, group, options)
[docs] def plan_cartesian_motion(self, robot, frames_WCF, start_configuration=None, group=None, options=None): """Calculates a cartesian motion path (linear in tool space). Parameters ---------- robot : :class:`compas_fab.robots.Robot` The robot instance for which the cartesian motion path is being calculated. frames_WCF: list of :class:`compas.geometry.Frame` The frames through which the path is defined. start_configuration: :class:`Configuration`, optional The robot's full configuration, i.e. values for all configurable joints of the entire robot, at the starting position. group: str, optional The planning group used for calculation. options: dict, optional Dictionary containing kwargs for arguments specific to the client being queried. Returns ------- :class:`compas_fab.robots.JointTrajectory` The calculated trajectory. """ pass
[docs]class GetPlanningScene(object): """Interface for a Planner's get planning scene feature. Any implementation of ``GetPlanningScene`` must define the method ``get_planning_scene``. The ``__call__`` magic method allows an instance of an implementation of ``GetPlanningScene`` to be treated as its ``get_planning_scene`` method. See <https://docs.python.org/3/reference/datamodel.html#object.__call__> and <https://en.wikipedia.org/wiki/Function_object#In_Python>. """ def __call__(self, options=None): return self.get_planning_scene(options)
[docs] def get_planning_scene(self, options=None): """Retrieve the planning scene. Parameters ---------- options : dict, optional Dictionary containing kwargs for arguments specific to the client being queried. Returns ------- :class:`compas_fab.robots.planning_scene.PlanningScene` """ pass
[docs]class ResetPlanningScene(object): """Interface for a Planner's reset planning scene feature. Any implementation of ``ResetPlanningScene`` must define the method ``reset_planning_scene``. The ``__call__`` magic method allows an instance of an implementation of ``ResetPlanningScene`` to be treated as its ``reset_planning_scene`` method. See <https://docs.python.org/3/reference/datamodel.html#object.__call__> and <https://en.wikipedia.org/wiki/Function_object#In_Python>. """ def __call__(self, options=None): return self.reset_planning_scene(options)
[docs] def reset_planning_scene(self, options=None): """Retrieve the planning scene. Parameters ---------- options : dict, optional Dictionary containing kwargs for arguments specific to the client being queried. Returns ------- ``None`` """ pass
[docs]class AddCollisionMesh(object): """Interface for a Planner's add collision mesh feature. Any implementation of ``AddCollisionMesh`` must define the method ``add_collision_mesh``. The ``__call__`` magic method allows an instance of an implementation of ``AddCollisionMesh`` to be treated as its ``add_collision_mesh`` method. See <https://docs.python.org/3/reference/datamodel.html#object.__call__> and <https://en.wikipedia.org/wiki/Function_object#In_Python>. """ def __call__(self, collision_mesh, options=None): return self.add_collision_mesh(collision_mesh, options)
[docs] def add_collision_mesh(self, collision_mesh, options=None): """Add a collision mesh to the planning scene. Parameters ---------- collision_mesh : :class:`compas_fab.robots.CollisionMesh` Object containing the collision mesh to be added. options : dict, optional Dictionary containing kwargs for arguments specific to the client being queried. Returns ------- ``None`` """ pass
[docs]class RemoveCollisionMesh(object): """Interface for a Planner's remove collision mesh feature. Any implementation of ``RemoveCollisionMesh`` must define the method ``remove_collision_mesh``. The ``__call__`` magic method allows an instance of an implementation of ``RemoveCollisionMesh`` to be treated as its ``remove_collision_mesh`` method. See <https://docs.python.org/3/reference/datamodel.html#object.__call__> and <https://en.wikipedia.org/wiki/Function_object#In_Python>. """ def __call__(self, id, options=None): return self.remove_collision_mesh(id, options)
[docs] def remove_collision_mesh(self, id, options=None): """Remove a collision mesh from the planning scene. Parameters ---------- id : str Name of collision mesh to be removed. options : dict, optional Dictionary containing kwargs for arguments specific to the client being queried. Returns ------- ``None`` """ pass
[docs]class AppendCollisionMesh(object): """Interface for a Planner's append collision mesh feature. Any implementation of ``AppendCollisionMesh`` must define the method ``append_collision_mesh``. The ``__call__`` magic method allows an instance of an implementation of ``AppendCollisionMesh`` to be treated as its ``append_collision_mesh`` method. See <https://docs.python.org/3/reference/datamodel.html#object.__call__> and <https://en.wikipedia.org/wiki/Function_object#In_Python>. """ def __call__(self, collision_mesh, options=None): return self.append_collision_mesh(collision_mesh, options)
[docs] def append_collision_mesh(self, collision_mesh, options=None): """Append a collision mesh to the planning scene. Parameters ---------- collision_mesh : :class:`compas_fab.robots.CollisionMesh` Object containing the collision mesh to be appended. options : dict, optional Dictionary containing kwargs for arguments specific to the client being queried. Returns ------- ``None`` """ pass
[docs]class AddAttachedCollisionMesh(object): """Interface for a Planner's add attached collision mesh feature. Any implementation of ``AddAttachedCollisionMesh`` must define the method ``add_attached_collision_mesh``. The ``__call__`` magic method allows an instance of an implementation of ``AddAttachedCollisionMesh`` to be treated as its ``add_attached_collision_mesh`` method. See <https://docs.python.org/3/reference/datamodel.html#object.__call__> and <https://en.wikipedia.org/wiki/Function_object#In_Python>. """ def __call__(self, attached_collision_mesh, options=None): return self.add_attached_collision_mesh(attached_collision_mesh, options)
[docs] def add_attached_collision_mesh(self, attached_collision_mesh, options=None): """Add a collision mesh and attach it to the robot. Parameters ---------- attached_collision_mesh : :class:`compas_fab.robots.AttachedCollisionMesh` Object containing the collision mesh to be attached. options : dict, optional Dictionary containing kwargs for arguments specific to the client being queried. Returns ------- ``None`` """ pass
[docs]class RemoveAttachedCollisionMesh(object): """Interface for a Planner's remove attached collision mesh feature. Any implementation of ``RemoveAttachedCollisionMesh`` must define the method ``remove_attached_collision_mesh``. The ``__call__`` magic method allows an instance of an implementation of ``RemoveAttachedCollisionMesh`` to be treated as its ``remove_attached_collision_mesh`` method. See <https://docs.python.org/3/reference/datamodel.html#object.__call__> and <https://en.wikipedia.org/wiki/Function_object#In_Python>. """ def __call__(self, id, options=None): return self.remove_attached_collision_mesh(id, options)
[docs] def remove_attached_collision_mesh(self, id, options=None): """Remove an attached collision mesh from the robot. Parameters ---------- id : str Name of collision mesh to be removed. options : dict, optional Dictionary containing kwargs for arguments specific to the client being queried. Returns ------- ``None`` """ pass