def createSlidingStabilityConstraint (self, prefix, comName, leftAnkle, rightAnkle, q0): robot = self.hppcorba.robot problem = self.hppcorba.problem _tfs = robot.getJointsPosition (q0, (leftAnkle, rightAnkle)) Ml = Transform(_tfs[0]) Mr = Transform(_tfs[1]) self.setCurrentConfig (q0) x = self._getCOM (comName) result = [] # COM wrt left ankle frame xloc = Ml.inverse().transform(x) result.append (prefix + "relative-com") problem.createRelativeComConstraint (result[-1], comName, leftAnkle, xloc.tolist(), (True,)*3) # Relative pose of the feet result.append (prefix + "relative-pose") problem.createTransformationConstraint2 (result[-1], leftAnkle, rightAnkle, (0,0,0,0,0,0,1), (Mr.inverse()*Ml).toTuple(), (True,)*6) # Pose of the left foot result.append (prefix + "pose-left-foot") problem.createTransformationConstraint2 (result[-1], "", leftAnkle, Ml.toTuple(), (0,0,0,0,0,0,1), (False,False,True,True,True,False)) # Complement left foot result.append (prefix + "pose-left-foot-complement") problem.createTransformationConstraint2 (result[-1], "", leftAnkle, Ml.toTuple(), (0,0,0,0,0,0,1), (True,True,False,False,False,True)) problem.setConstantRightHandSide (result[-1], False) return result
def createSlidingStabilityConstraint(self, prefix, comName, leftAnkle, rightAnkle, q0): robot = self.hppcorba.robot problem = self.hppcorba.problem _tfs = robot.getJointsPosition(q0, (leftAnkle, rightAnkle)) Ml = Transform(_tfs[0]) Mr = Transform(_tfs[1]) self.setCurrentConfig(q0) x = self._getCOM(comName) result = [] # COM wrt left ankle frame xloc = Ml.inverse().transform(x) result.append(prefix + "relative-com") problem.createRelativeComConstraint(result[-1], comName, leftAnkle, xloc.tolist(), (True, ) * 3) # Relative pose of the feet result.append(prefix + "relative-pose") problem.createTransformationConstraint2( result[-1], leftAnkle, rightAnkle, (0, 0, 0, 0, 0, 0, 1), (Mr.inverse() * Ml).toTuple(), (True, ) * 6, ) # Pose of the left foot result.append(prefix + "pose-left-foot") problem.createTransformationConstraint2( result[-1], "", leftAnkle, Ml.toTuple(), (0, 0, 0, 0, 0, 0, 1), (False, False, True, True, True, False), ) # Complement left foot result.append(prefix + "pose-left-foot-complement") problem.createTransformationConstraint2( result[-1], "", leftAnkle, Ml.toTuple(), (0, 0, 0, 0, 0, 0, 1), (True, True, False, False, False, True), ) problem.setConstantRightHandSide(result[-1], False) return result
def validateGazeConstraint(ps, q, whichArm): robot = ps.robot robot.setCurrentConfig(q) Mcamera = Transform(robot.getLinkPosition("talos/rgbd_optical_frame")) Mtarget = Transform( robot.getLinkPosition("talos/arm_" + whichArm + "_7_link")) z = (Mcamera.inverse() * Mtarget).translation[2] if z < .1: return False return True
def createStaticStabilityConstraint(self, prefix, comName, leftAnkle, rightAnkle, q0, maskCom=(True, ) * 3): robot = self.hppcorba.robot problem = self.hppcorba.problem _tfs = robot.getJointsPosition(q0, (leftAnkle, rightAnkle)) Ml = Transform(_tfs[0]) Mr = Transform(_tfs[1]) self.setCurrentConfig(q0) x = self._getCOM(comName) result = [] # COM wrt left ankle frame xloc = Ml.inverse().transform(x) result.append(prefix + "relative-com") problem.createRelativeComConstraint(result[-1], comName, leftAnkle, xloc.tolist(), maskCom) # Pose of the left foot result.append(prefix + "pose-left-foot") problem.createTransformationConstraint2( result[-1], "", leftAnkle, Ml.toTuple(), (0, 0, 0, 0, 0, 0, 1), (True, True, True, True, True, True), ) # Pose of the right foot result.append(prefix + "pose-right-foot") problem.createTransformationConstraint2( result[-1], "", rightAnkle, Mr.toTuple(), (0, 0, 0, 0, 0, 0, 1), (True, True, True, True, True, True), ) return result
_) in zip(bag.read_messages(topics=["joints"]), bag.read_messages(topics=["chessboard"])): root_joint_rank = robot.rankInConfiguration["talos/root_joint"] q[root_joint_rank:root_joint_rank + 7] = [0, 0, 1, 0, 0, 0, 1] joints_name_value_tuple = zip(joint_states.name, joint_states.position) for name, value in joints_name_value_tuple: joint_name = "talos/" + name q[robot.rankInConfiguration[joint_name]] = value robot.setCurrentConfig(q) gripper = Transform( robot.getJointPosition("talos/gripper_left_base_link_joint")) camera = Transform(robot.getJointPosition("talos/rgbd_rgb_optical_joint")) fMe = gripper.inverse() * camera cMo = Transform([ checkerboard_pose.pose.position.x, checkerboard_pose.pose.position.y, checkerboard_pose.pose.position.z, checkerboard_pose.pose.orientation.x, checkerboard_pose.pose.orientation.y, checkerboard_pose.pose.orientation.z, checkerboard_pose.pose.orientation.w, ]) publishTransform(pub_cMo, cMo) publishTransform(pub_fMe, fMe) i += 1
0,0,0,0,0,0,1, # box ] q_init = robot.getCurrentConfig() ps.addPartialCom ("talos", ["talos/root_joint"]) ps.addPartialCom ("talos_box", ["talos/root_joint", "box/root_joint"]) ps.createStaticStabilityConstraints ("balance", half_sitting, "talos", ProblemSolver.FIXED_ON_THE_GROUND) foot_placement = [ "balance/pose-left-foot", "balance/pose-right-foot" ] foot_placement_complement = [ ] robot.setCurrentConfig(half_sitting) com_wf = np.array(ps.getPartialCom("talos")) tf_la = Transform (robot.getJointPosition(robot.leftAnkle)) com_la = tf_la.inverse().transform(com_wf) ps.createRelativeComConstraint ("com_talos_box", "talos_box", robot.leftAnkle, com_la.tolist(), (True, True, True)) ps.createRelativeComConstraint ("com_talos" , "talos" , robot.leftAnkle, com_la.tolist(), (True, True, True)) ps.createPositionConstraint ("gaze", "talos/rgbd_optical_joint", "box/root_joint", (0,0,0), (0,0,0), (True, True, False)) left_gripper_lock = [] right_gripper_lock = [] other_lock = ["talos/torso_1_joint"] for n in robot.jointNames: s = robot.getJointConfigSize(n) r = robot.rankInConfiguration[n] if n.startswith ("talos/gripper_right"): ps.createLockedJoint(n, n, half_sitting[r:r+s]) right_gripper_lock.append(n)
## Project initial configuration on state 'placement' res, q_init, error = graph.applyNodeConstraints ('placement', q1) q2 = q1 [::] q2 [7] = .2 ## Project goal configuration on state 'placement' res, q_goal, error = graph.applyNodeConstraints ('placement', q2) ## Define manipulation planning problem ps.setInitialConfig (q_init) ps.addGoalConfig (q_goal) # v = vf.createViewer () # pp = PathPlayer (v) # v (q1) ## Build relative position of the ball with respect to the gripper for i in range (100): q = robot.shootRandomConfig () res,q3,err = graph.generateTargetConfig ('grasp-ball', q_init, q) if res and robot.isConfigValid (q3): break; if res: robot.setCurrentConfig (q3) gripperPose = Transform (robot.getJointPosition (gripperName)) ballPose = Transform (robot.getJointPosition (ballName)) gripperGraspsBall = gripperPose.inverse () * ballPose gripperAboveBall = Transform (gripperGraspsBall) gripperAboveBall.translation [2] += .1
## Project initial configuration on state 'placement' res, q_init, error = ps.client.manipulation.problem.applyConstraints \ (graph.nodes ['placement'], q1) q2 = q1 [::] q2 [7] = .2 ## Project goal configuration on state 'placement' res, q_goal, error = ps.client.manipulation.problem.applyConstraints \ (graph.nodes ['placement'], q2) ## Define manipulation planning problem ps.setInitialConfig (q_init) ps.addGoalConfig (q_goal) ps.selectPathValidation ("Dichotomy", 0) pp = PathPlayer (ps.client.basic, r) ## Build relative position of the ball with respect to the gripper for i in range (100): q = robot.shootRandomConfig () res,q3,err = graph.generateTargetConfig ('grasp-ball', q_init, q) if res and robot.isConfigValid (q3): break; if res: robot.setCurrentConfig (q3) gripperPose = Transform (robot.getLinkPosition (gripperName)) ballPose = Transform (robot.getLinkPosition (ballName)) gripperAboveBall = gripperPose.inverse () * ballPose gripperAboveBall.translation [2] += .1
# END INIT CHESSBOARD AND CAMERA PARAM AND FUNCTIONS ps.addPartialCom("talos", ["talos/root_joint"]) ps.addPartialCom("talos_mire", ["talos/root_joint", "mire/root_joint"]) ps.createStaticStabilityConstraints("balance", half_sitting, "talos", ProblemSolver.FIXED_ON_THE_GROUND) foot_placement = ["balance/pose-left-foot", "balance/pose-right-foot"] foot_placement_complement = [] robot.setCurrentConfig(half_sitting) com_wf = np.array(ps.getPartialCom("talos")) tf_la = Transform(robot.getJointPosition(robot.leftAnkle)) com_la = tf_la.inverse().transform(com_wf) ps.createRelativeComConstraint("com_talos_mire", "talos_mire", robot.leftAnkle, com_la.tolist(), (True, True, True)) ps.createRelativeComConstraint("com_talos", "talos", robot.leftAnkle, com_la.tolist(), (True, True, True)) left_gripper_lock = [] right_gripper_lock = [] head_lock = [] other_lock = ["talos/torso_1_joint"] for n in robot.jointNames: s = robot.getJointConfigSize(n) r = robot.rankInConfiguration[n] if n.startswith("talos/gripper_right"): ps.createLockedJoint(n, n, half_sitting[r:r + s])
## Project initial configuration on state 'placement' res, q_init, error = ps.client.manipulation.problem.applyConstraints \ (graph.nodes ['placement'], q1) q2 = q1[::] q2[7] = .2 ## Project goal configuration on state 'placement' res, q_goal, error = ps.client.manipulation.problem.applyConstraints \ (graph.nodes ['placement'], q2) ## Define manipulation planning problem ps.setInitialConfig(q_init) ps.addGoalConfig(q_goal) ps.selectPathValidation("Dichotomy", 0) pp = PathPlayer(ps.client.basic, r) ## Build relative position of the ball with respect to the gripper for i in range(100): q = robot.shootRandomConfig() res, q3, err = graph.generateTargetConfig('grasp-ball', q_init, q) if res and robot.isConfigValid(q3): break if res: robot.setCurrentConfig(q3) gripperPose = Transform(robot.getLinkPosition(gripperName)) ballPose = Transform(robot.getLinkPosition(ballName)) gripperAboveBall = gripperPose.inverse() * ballPose gripperAboveBall.translation[2] += .1