class Calibration(object):
def __init__(self, client):
self.client = client
self.robot = None
self.robots = list()
self.robot_locks = list()
self.robots_locks = list()
self.robots_gaze = list()
self.robots_identity_constraints = list()
self.q = []
def initRobot(self):
# The first robot is loaded differently by hpp
robot_id = len(self.robots) + int(self.robot is not None)
robot_name = "talos_" + str(robot_id)
if self.robot is None:
Robot.packageName = "agimus_demos"
Robot.urdfName = "talos"
Robot.urdfSuffix = "_calibration_camera"
Robot.srdfSuffix = ""
self.robot = Robot(
"talos", robot_name, rootJointType="freeflyer", client=self.client
)
self.ps = ProblemSolver(self.robot)
self.ps.setErrorThreshold(0.00000001)
self.ps.setMaxIterProjection(100)
self.vf = ViewerFactory(self.ps)
else:
self.robots.append(OtherRobot(name=robot_name, vf=self.vf))
self.robot.setJointBounds(robot_name + "/root_joint", [-1, 1, -1, 1, 0.5, 1.5])
rank, size = self.getRankAndConfigSize(robot_id)
self.q[rank : rank + size] = self.robot.getCurrentConfig()[rank : rank + size]
return robot_id
def setLockJoints(self, robot_id, joints_name_value_tuple):
self.ps.createLockedJoint(
"talos_" + str(robot_id) + "/root_joint",
"talos_" + str(robot_id) + "/root_joint",
[0, 0, 1, 0, 0, 0, 1],
)
root_joint_rank = self.robot.rankInConfiguration[
"talos_" + str(robot_id) + "/root_joint"
]
self.q[root_joint_rank : root_joint_rank + 7] = [0, 0, 1, 0, 0, 0, 1]
self.robots_locks.append("talos_" + str(robot_id) + "/root_joint")
# self.ps.createLockedJoint("talos_" + str(robot_id) + "/calib_mire_joint_2", "talos_" + str(robot_id) + "/calib_mire_joint_2", [0, 0, 0, 0, 0, 0, 1])
# mire_joint_rank = self.robot.rankInConfiguration["talos_" + str(robot_id) + "/calib_mire_joint_2"]
# self.q[mire_joint_rank:mire_joint_rank + 7] = [0, 0, 0, 0, 0, 0, 1]
# self.robots_locks.append("talos_" + str(robot_id) + "/calib_mire_joint_2")
for name, value in joints_name_value_tuple:
joint_name = "talos_" + str(robot_id) + "/" + name
self.q[self.robot.rankInConfiguration[joint_name]] = value
self.ps.createLockedJoint(joint_name, joint_name, [value])
self.robots_locks.append(joint_name)
def getRankAndConfigSize(self, robot_id):
robot_name = "talos_" + str(robot_id)
rank = self.robot.rankInConfiguration[robot_name + "/root_joint"]
size = sum(
[
self.robot.getJointConfigSize(joint_name)
for joint_name in calib.robot.getJointNames()
if robot_name in joint_name
]
)
return rank, size
def setGaze(self, robot_id, checkerboard_pose):
robot_name = "talos_" + str(robot_id)
position = (
checkerboard_pose.position.x,
checkerboard_pose.position.y,
checkerboard_pose.position.z,
)
orientation = (
checkerboard_pose.orientation.x,
checkerboard_pose.orientation.y,
checkerboard_pose.orientation.z,
checkerboard_pose.orientation.w,
)
self.ps.createPositionConstraint(
robot_name + "gaze",
robot_name + "/calib_rgb_joint",
robot_name + "/calib_mire_joint_2",
position,
(0, 0, 0),
[True, True, True],
)
self.ps.createOrientationConstraint(
robot_name + "gaze_O",
robot_name + "/calib_mire_joint_2",
robot_name + "/calib_rgb_joint",
orientation,
[True, True, True],
)
self.robots_gaze.append(robot_name + "gaze")
self.robots_gaze.append(robot_name + "gaze_O")
def constrainFreeflyers(self):
for robot_id in range(1, len(self.robots)):
robot_name = "talos_" + str(robot_id)
self.client.basic.problem.createIdentityConstraint(
robot_name + "_id_rgb",
["talos_0/calib_rgb_joint"],
[robot_name + "/calib_rgb_joint"],
)
self.client.basic.problem.createIdentityConstraint(
robot_name + "_id_mire",
["talos_0/calib_mire_joint_2"],
[robot_name + "/calib_mire_joint_2"],
)
self.robots_identity_constraints.append(robot_name + "_id_rgb")
self.robots_identity_constraints.append(robot_name + "_id_mire")
def optimize(self, q_init, robots_id):
self.q_proj = self.q
client.basic.problem.resetConstraints()
calib.robot.setCurrentConfig(q_init)
client.basic.problem.addLockedJointConstraints("unused1", calib.robots_locks)
gaze = [
c
for c in calib.robots_gaze
if any(["talos_" + str(robot_id) in c for robot_id in robots_id])
]
num_constraints = gaze + calib.robots_identity_constraints
client.basic.problem.addNumericalConstraints(
"unused2", num_constraints, [0 for _ in num_constraints]
)
# client.basic.problem.addNumericalConstraints("mighty_cam_cost", ["cam_cost"], [ 1 ])
# calib.client.basic.problem.setNumericalConstraintsLastPriorityOptional(True)
projOk, self.q_proj, error = client.basic.problem.applyConstraints(q_init)
if error < 1.0:
optOk, self.q_proj, error = client.basic.problem.optimize(self.q_proj)
if optOk:
print("All was good! " + str(max(error)))
else:
print("Optimisation error: " + str(max(error)))
else:
print("Projection error: " + str(error))
rank_rgb = calib.robot.rankInConfiguration["talos_0/calib_rgb_joint"]
rank_mire = calib.robot.rankInConfiguration["talos_0/calib_mire_joint_2"]
return (
self.q_proj,
self.q_proj[rank_rgb : rank_rgb + 7],
max(error),
self.q_proj[rank_mire : rank_mire + 7],
)
"leftfoot/z",
"leftfoot/rxry"
],
[
"leftfoot/xy",
]
]
# "leftfoot/rxryrz"]]
ps.createRelativeComConstraint(leftfoot[0][0], "", robot.leftAnkle,
(0, 0, 0.7028490491159864), (True, True, True))
ps.createPositionConstraint(leftfoot[0][1], robot.leftAnkle, "", (0, 0, 0),
leftpos[0:3], (False, False, True))
ps.createPositionConstraint(leftfoot[1][0], robot.leftAnkle, "", (0, 0, 0),
leftpos[0:3], (True, True, False))
ps.client.basic.problem.setConstantRightHandSide(leftfoot[1][0], False)
ps.createOrientationConstraint(leftfoot[0][2], robot.leftAnkle, "",
(1, 0, 0, 0), (True, True, True))
# ps.createOrientationConstraint (leftfoot[1][2], robot.leftAnkle, "", (1,0,0,0), (False, False, True))
# ps.client.basic.problem.setConstantRightHandSide (leftfoot[1][2], True)
rightfoot = [
[
# "rightfoot/comz" ,
"rightfoot/com",
"rightfoot/z",
"rightfoot/rxry"
],
[
"rightfoot/xy",
]
]
# "rightfoot/rxryrz"]]
graph = ConstraintGraph (robot, 'graph')
robot.setCurrentConfig (q_init)
leftpos = robot.getJointPosition (robot.leftAnkle)
rightpos = robot.getJointPosition (robot.rightAnkle)
leftfoot = [ [
# "leftfoot/comz" ,
"leftfoot/com", "leftfoot/z" , "leftfoot/rxry"],
["leftfoot/xy",
]]
# "leftfoot/rxryrz"]]
ps.createRelativeComConstraint (leftfoot[0][0], "", robot.leftAnkle, (0,0,0.7028490491159864), (True,True,True))
ps.createPositionConstraint (leftfoot[0][1], robot.leftAnkle, "", (0,0,0), leftpos[0:3], (False, False, True))
ps.createPositionConstraint (leftfoot[1][0], robot.leftAnkle, "", (0,0,0), leftpos[0:3], (True, True, False))
ps.client.basic.problem.setConstantRightHandSide (leftfoot[1][0], False)
ps.createOrientationConstraint (leftfoot[0][2], robot.leftAnkle, "", (1,0,0,0), (True, True, True))
# ps.createOrientationConstraint (leftfoot[1][2], robot.leftAnkle, "", (1,0,0,0), (False, False, True))
# ps.client.basic.problem.setConstantRightHandSide (leftfoot[1][2], True)
rightfoot = [ [
# "rightfoot/comz" ,
"rightfoot/com", "rightfoot/z" , "rightfoot/rxry"],
["rightfoot/xy",
]]
# "rightfoot/rxryrz"]]
ps.createRelativeComConstraint (rightfoot[0][0], "", robot.rightAnkle, (0,0,0.7028490491159864), (True,True,True))
ps.createPositionConstraint (rightfoot[0][1], robot.rightAnkle, "", (0,0,0), rightpos[0:3], (False, False, True))
ps.createPositionConstraint (rightfoot[1][0], robot.rightAnkle, "", (0,0,0), rightpos[0:3], (True, True, False))
ps.client.basic.problem.setConstantRightHandSide (rightfoot[1][0], False)
ps.createOrientationConstraint (rightfoot[0][2], robot.rightAnkle, "", (1,0,0,0), (True, True, True))
# ps.createOrientationConstraint (rightfoot[1][2], robot.rightAnkle, "", (1,0,0,0), (False, False, True))
