Python msg.Quaternion方法代码示例

# 需要导入模块: from geometry_msgs import msg [as 别名]
# 或者: from geometry_msgs.msg import Quaternion [as 别名]
def compute_grasp_pose_offset(self, pose):
        """
        :param pose:
        :return:
        """

        yrot = tf.transformations.quaternion_from_euler(0, math.pi, 0)

        cubeorientation = [pose.orientation.x, pose.orientation.y, pose.orientation.z, pose.orientation.w]
        # oorient = [overhead_orientation.x,overhead_orientation.y,overhead_orientation.z,overhead_orientation.w]

        # resultingorient = tf.transformations.quaternion_multiply(cubeorientation, tf.transformations.quaternion_conjugate(oorient))
        resultingorient = tf.transformations.quaternion_multiply(cubeorientation, yrot)

        # resultingorient = cubeorientation


        pose.orientation = Quaternion(x=resultingorient[0], y=resultingorient[1], z=resultingorient[2],
                                      w=resultingorient[3])

        pose.position.x += 0
        pose.position.y += 0
        pose.position.z = demo_constants.TABLE_HEIGHT + demo_constants.CUBE_EDGE_LENGTH
        return pose 

# 需要导入模块: from geometry_msgs import msg [as 别名]
# 或者: from geometry_msgs.msg import Quaternion [as 别名]
def state_to_pose(xyz, quat):
    """
    :param xyz: desired pose xyz
    :param quat: quaternion around z angle in [w, x, y, z] format
    :return: stamped pose
    """
    quat = Quaternion_msg(
        w=quat[0],
        x=quat[1],
        y=quat[2],
        z=quat[3]
    )

    desired_pose = inverse_kinematics.get_pose_stamped(xyz[0],
                                                       xyz[1],
                                                       xyz[2],
                                                       quat)
    return desired_pose 

# 需要导入模块: from geometry_msgs import msg [as 别名]
# 或者: from geometry_msgs.msg import Quaternion [as 别名]
def _CreateMoveBaseGoal(self, goal):
		'''
		Creates an instance of MoveBaseGoal based on a simple goal in the form of a (x,y,theta) tuple
		'''
		
		x,y,theta = goal
		
		moveBaseGoal = MoveBaseGoal()
		moveBaseGoal.target_pose.header.frame_id = self._GoalFrameId
		moveBaseGoal.target_pose.header.stamp = rospy.Time.now()

		moveBaseGoal.target_pose.pose.position.x = x
		moveBaseGoal.target_pose.pose.position.y = y
		
		quaternionArray = tf.transformations.quaternion_about_axis(theta, (0,0,1))
		# quaternion_about_axis offers a convenient way for calculating the members of a quaternion.
		# In order to use it we need to convert it to a Quaternion message structure
		moveBaseGoal.target_pose.pose.orientation = self.array_to_quaternion(quaternionArray)

		print(moveBaseGoal)
		return moveBaseGoal 

# 需要导入模块: from geometry_msgs import msg [as 别名]
# 或者: from geometry_msgs.msg import Quaternion [as 别名]
def _add_coke_can(self, name):
        p = PoseStamped()
        p.header.frame_id = self._robot.get_planning_frame()
        p.header.stamp = rospy.Time.now()

        p.pose.position.x = 0.25   
        p.pose.position.y = 0
        p.pose.position.z = 0.32

        q = quaternion_from_euler(0.0, 0.0, 0.0)
        p.pose.orientation = Quaternion(*q)

        # Coke can size from ~/.gazebo/models/coke_can/meshes/coke_can.dae,
        # using the measure tape tool from meshlab.
        # The box is the bounding box of the coke cylinder.
        # The values are taken from the cylinder base diameter and height.
        self._scene.add_box(name, p, (0.01, 0.01, 0.005))

        return p.pose 

# 需要导入模块: from geometry_msgs import msg [as 别名]
# 或者: from geometry_msgs.msg import Quaternion [as 别名]
def _add_table(self, name):
        p = PoseStamped()
        p.header.frame_id = self._robot.get_planning_frame()
        p.header.stamp = rospy.Time.now()

        p.pose.position.x = 0.5
        p.pose.position.y = 0.0
        p.pose.position.z = 0.22

        q = quaternion_from_euler(0.0, 0.0, numpy.deg2rad(90.0))
        p.pose.orientation = Quaternion(*q)

        # Table size from ~/.gazebo/models/table/model.sdf, using the values
        # for the surface link.
        self._scene.add_box(name, p, (0.5, 0.4, 0.02))

        return p.pose 

# 需要导入模块: from geometry_msgs import msg [as 别名]
# 或者: from geometry_msgs.msg import Quaternion [as 别名]
def _add_coke_can(self, name):
        p = PoseStamped()
        p.header.frame_id = self._robot.get_planning_frame()
        p.header.stamp = rospy.Time.now()

        p.pose.position.x = 0.25   
        p.pose.position.y = 0
        p.pose.position.z = 0.32

        q = quaternion_from_euler(0.0, 0.0, 0.0)
        p.pose.orientation = Quaternion(*q)

        # Coke can size from ~/.gazebo/models/coke_can/meshes/coke_can.dae,
        # using the measure tape tool from meshlab.
        # The box is the bounding box of the coke cylinder.
        # The values are taken from the cylinder base diameter and height.
        self._scene.add_box(name, p, (0.01, 0.01, 0.009))

        return p.pose 

# 需要导入模块: from geometry_msgs import msg [as 别名]
# 或者: from geometry_msgs.msg import Quaternion [as 别名]
def _add_grasp_block_(self, name):
        p = PoseStamped()
        p.header.frame_id = self._robot.get_planning_frame()
        p.header.stamp = rospy.Time.now()

        p.pose.position.x = 0.25   
        p.pose.position.y = 0.05
        p.pose.position.z = 0.32

        q = quaternion_from_euler(0.0, 0.0, 0.0)
        p.pose.orientation = Quaternion(*q)

        # Coke can size from ~/.gazebo/models/coke_can/meshes/coke_can.dae,
        # using the measure tape tool from meshlab.
        # The box is the bounding box of the coke cylinder.
        # The values are taken from the cylinder base diameter and height.
        self._scene.add_box(name, p, (0.03, 0.03, 0.09))

        return p.pose 

# 需要导入模块: from geometry_msgs import msg [as 别名]
# 或者: from geometry_msgs.msg import Quaternion [as 别名]
def _add_coke_can(self, name):
        p = PoseStamped()
        p.header.frame_id = self._robot.get_planning_frame()
        p.header.stamp = rospy.Time.now()

        p.pose.position.x = 0.25   
        p.pose.position.y = 0.05
        p.pose.position.z = 0.32

        q = quaternion_from_euler(0.0, 0.0, 0.0)
        p.pose.orientation = Quaternion(*q)

        # Coke can size from ~/.gazebo/models/coke_can/meshes/coke_can.dae,
        # using the measure tape tool from meshlab.
        # The box is the bounding box of the coke cylinder.
        # The values are taken from the cylinder base diameter and height.
        self._scene.add_box(name, p, (0.03, 0.03, 0.009))

        return p.pose 

# 需要导入模块: from geometry_msgs import msg [as 别名]
# 或者: from geometry_msgs.msg import Quaternion [as 别名]
def _add_table(self, name):
        p = PoseStamped()
        p.header.frame_id = self._robot.get_planning_frame()
        p.header.stamp = rospy.Time.now()

        p.pose.position.x = 0.4
        p.pose.position.y = 0.0
        p.pose.position.z = 0.26

        q = quaternion_from_euler(0.0, 0.0, numpy.deg2rad(90.0))
        p.pose.orientation = Quaternion(*q)

        # Table size from ~/.gazebo/models/table/model.sdf, using the values
        # for the surface link.
        self._scene.add_box(name, p, (0.5, 0.4, 0.02))

        return p.pose 

# 需要导入模块: from geometry_msgs import msg [as 别名]
# 或者: from geometry_msgs.msg import Quaternion [as 别名]
def _add_coke_can(self, name):
        p = PoseStamped()
        p.header.frame_id = self._robot.get_planning_frame()
        p.header.stamp = rospy.Time.now()

        p.pose.position.x = 0.25   
        p.pose.position.y = 0.05
        p.pose.position.z = 0.32

        q = quaternion_from_euler(0.0, 0.0, 0.0)
        p.pose.orientation = Quaternion(*q)

        # Coke can size from ~/.gazebo/models/coke_can/meshes/coke_can.dae,
        # using the measure tape tool from meshlab.
        # The box is the bounding box of the coke cylinder.
        # The values are taken from the cylinder base diameter and height.
        self._scene.add_box(name, p, (0.03, 0.03, 0.09))

        return p.pose 

# 需要导入模块: from geometry_msgs import msg [as 别名]
# 或者: from geometry_msgs.msg import Quaternion [as 别名]
def _add_table(self, name):
        p = PoseStamped()
        p.header.frame_id = self._robot.get_planning_frame()
        p.header.stamp = rospy.Time.now()

        p.pose.position.x = 0.45
        p.pose.position.y = 0.0
        p.pose.position.z = 0.22

        q = quaternion_from_euler(0.0, 0.0, numpy.deg2rad(90.0))
        p.pose.orientation = Quaternion(*q)

        # Table size from ~/.gazebo/models/table/model.sdf, using the values
        # for the surface link.
        self._scene.add_box(name, p, (0.5, 0.4, 0.02))

        return p.pose