_Observers.py

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"""autogenerated by genmsg_py from Observers.msg. Do not edit."""
import roslib.message
import struct

import geometry_msgs.msg
import art_msgs.msg
import nav_msgs.msg
import std_msgs.msg

class Observers(roslib.message.Message):
  _md5sum = "0a372cf6f0b7d6ece7528e8f1e5e6eab"
  _type = "art_msgs/Observers"
  _has_header = True #flag to mark the presence of a Header object
  _full_text = """# Observations from a set of observers
# TODO: move to a separate art_observers package
# $Id: Observers.msg 644 2010-09-28 03:19:07Z jack.oquin $

# list of observer ID values
int32 Nearest_forward    = 0            # current or closest lane
int32 Nearest_backward   = 1                  
int32 Adjacent_left      = 2            # adjacent lane to left
int32 Adjacent_right     = 3            # adjacent lane to right
int32 All_left           = 4            # all lanes to left
int32 All_right          = 5            # all lanes to right
int32 Change_lanes       = 6            # unused
int32 Merge_into_nearest = 7            # merge into nearest lane on diff seg
int32 Merge_across_all   = 8            # merge across all lanes on diff seg
int32 Intersection       = 9            # intersection precedence
int32 N_Observers        = 10

Header header
nav_msgs/Odometry odom                  # position when observations made
Observation[] obs                       # vector of observations

================================================================================
MSG: std_msgs/Header
# Standard metadata for higher-level stamped data types.
# This is generally used to communicate timestamped data 
# in a particular coordinate frame.
# 
# sequence ID: consecutively increasing ID 
uint32 seq
#Two-integer timestamp that is expressed as:
# * stamp.secs: seconds (stamp_secs) since epoch
# * stamp.nsecs: nanoseconds since stamp_secs
# time-handling sugar is provided by the client library
time stamp
#Frame this data is associated with
# 0: no frame
# 1: global frame
string frame_id

================================================================================
MSG: nav_msgs/Odometry
# This represents an estimate of a position and velocity in free space.  
# The pose in this message should be specified in the coordinate frame given by header.frame_id.
# The twist in this message should be specified in the coordinate frame given by the child_frame_id
Header header
string child_frame_id
geometry_msgs/PoseWithCovariance pose
geometry_msgs/TwistWithCovariance twist

================================================================================
MSG: geometry_msgs/PoseWithCovariance
# This represents a pose in free space with uncertainty.

Pose pose

# Row-major representation of the 6x6 covariance matrix
# The orientation parameters use a fixed-axis representation.
# In order, the parameters are:
# (x, y, z, rotation about X axis, rotation about Y axis, rotation about Z axis)
float64[36] covariance

================================================================================
MSG: geometry_msgs/Pose
# A representation of pose in free space, composed of postion and orientation. 
Point position
Quaternion orientation

================================================================================
MSG: geometry_msgs/Point
# This contains the position of a point in free space
float64 x
float64 y
float64 z

================================================================================
MSG: geometry_msgs/Quaternion
# This represents an orientation in free space in quaternion form.

float64 x
float64 y
float64 z
float64 w

================================================================================
MSG: geometry_msgs/TwistWithCovariance
# This expresses velocity in free space with uncertianty.

Twist twist

# Row-major representation of the 6x6 covariance matrix
# The orientation parameters use a fixed-axis representation.
# In order, the parameters are:
# (x, y, z, rotation about X axis, rotation about Y axis, rotation about Z axis)
float64[36] covariance

================================================================================
MSG: geometry_msgs/Twist
# This expresses velocity in free space broken into it's linear and angular parts. 
Vector3  linear
Vector3  angular

================================================================================
MSG: geometry_msgs/Vector3
# This represents a vector in free space. 

float64 x
float64 y
float64 z
================================================================================
MSG: art_msgs/Observation
# result returned from a single observer
# TODO: move to a separate art_observers package
# $Id: Observation.msg 644 2010-09-28 03:19:07Z jack.oquin $

int32  oid                      # observer ID
string name                     # observer name

bool applicable                 # true if obseravation is applicable
bool clear                      # true if clear to go

# optional time and distance to nearest obstacle
# (only reported by some observers)
float32 time
float32 distance
float32 velocity
int32 nobjects                  # number of objects

"""
  # Pseudo-constants
  Nearest_forward = 0
  Nearest_backward = 1
  Adjacent_left = 2
  Adjacent_right = 3
  All_left = 4
  All_right = 5
  Change_lanes = 6
  Merge_into_nearest = 7
  Merge_across_all = 8
  Intersection = 9
  N_Observers = 10

  __slots__ = ['header','odom','obs']
  _slot_types = ['Header','nav_msgs/Odometry','art_msgs/Observation[]']

  def __init__(self, *args, **kwds):
    """
    Constructor. Any message fields that are implicitly/explicitly
    set to None will be assigned a default value. The recommend
    use is keyword arguments as this is more robust to future message
    changes.  You cannot mix in-order arguments and keyword arguments.
    
    The available fields are:
       header,odom,obs
    
    @param args: complete set of field values, in .msg order
    @param kwds: use keyword arguments corresponding to message field names
    to set specific fields. 
    """
    if args or kwds:
      super(Observers, self).__init__(*args, **kwds)
      #message fields cannot be None, assign default values for those that are
      if self.header is None:
        self.header = std_msgs.msg._Header.Header()
      if self.odom is None:
        self.odom = nav_msgs.msg.Odometry()
      if self.obs is None:
        self.obs = []
    else:
      self.header = std_msgs.msg._Header.Header()
      self.odom = nav_msgs.msg.Odometry()
      self.obs = []

  def _get_types(self):
    """
    internal API method
    """
    return self._slot_types

  def serialize(self, buff):
    """
    serialize message into buffer
    @param buff: buffer
    @type  buff: StringIO
    """
    try:
      _x = self
      buff.write(_struct_3I.pack(_x.header.seq, _x.header.stamp.secs, _x.header.stamp.nsecs))
      _x = self.header.frame_id
      length = len(_x)
      buff.write(struct.pack('<I%ss'%length, length, _x))
      _x = self
      buff.write(_struct_3I.pack(_x.odom.header.seq, _x.odom.header.stamp.secs, _x.odom.header.stamp.nsecs))
      _x = self.odom.header.frame_id
      length = len(_x)
      buff.write(struct.pack('<I%ss'%length, length, _x))
      _x = self.odom.child_frame_id
      length = len(_x)
      buff.write(struct.pack('<I%ss'%length, length, _x))
      _x = self
      buff.write(_struct_7d.pack(_x.odom.pose.pose.position.x, _x.odom.pose.pose.position.y, _x.odom.pose.pose.position.z, _x.odom.pose.pose.orientation.x, _x.odom.pose.pose.orientation.y, _x.odom.pose.pose.orientation.z, _x.odom.pose.pose.orientation.w))
      buff.write(_struct_36d.pack(*self.odom.pose.covariance))
      _x = self
      buff.write(_struct_6d.pack(_x.odom.twist.twist.linear.x, _x.odom.twist.twist.linear.y, _x.odom.twist.twist.linear.z, _x.odom.twist.twist.angular.x, _x.odom.twist.twist.angular.y, _x.odom.twist.twist.angular.z))
      buff.write(_struct_36d.pack(*self.odom.twist.covariance))
      length = len(self.obs)
      buff.write(_struct_I.pack(length))
      for val1 in self.obs:
        buff.write(_struct_i.pack(val1.oid))
        _x = val1.name
        length = len(_x)
        buff.write(struct.pack('<I%ss'%length, length, _x))
        _x = val1
        buff.write(_struct_2B3fi.pack(_x.applicable, _x.clear, _x.time, _x.distance, _x.velocity, _x.nobjects))
    except struct.error, se: self._check_types(se)
    except TypeError, te: self._check_types(te)

  def deserialize(self, str):
    """
    unpack serialized message in str into this message instance
    @param str: byte array of serialized message
    @type  str: str
    """
    try:
      if self.header is None:
        self.header = std_msgs.msg._Header.Header()
      if self.odom is None:
        self.odom = nav_msgs.msg.Odometry()
      end = 0
      _x = self
      start = end
      end += 12
      (_x.header.seq, _x.header.stamp.secs, _x.header.stamp.nsecs,) = _struct_3I.unpack(str[start:end])
      start = end
      end += 4
      (length,) = _struct_I.unpack(str[start:end])
      start = end
      end += length
      self.header.frame_id = str[start:end]
      _x = self
      start = end
      end += 12
      (_x.odom.header.seq, _x.odom.header.stamp.secs, _x.odom.header.stamp.nsecs,) = _struct_3I.unpack(str[start:end])
      start = end
      end += 4
      (length,) = _struct_I.unpack(str[start:end])
      start = end
      end += length
      self.odom.header.frame_id = str[start:end]
      start = end
      end += 4
      (length,) = _struct_I.unpack(str[start:end])
      start = end
      end += length
      self.odom.child_frame_id = str[start:end]
      _x = self
      start = end
      end += 56
      (_x.odom.pose.pose.position.x, _x.odom.pose.pose.position.y, _x.odom.pose.pose.position.z, _x.odom.pose.pose.orientation.x, _x.odom.pose.pose.orientation.y, _x.odom.pose.pose.orientation.z, _x.odom.pose.pose.orientation.w,) = _struct_7d.unpack(str[start:end])
      start = end
      end += 288
      self.odom.pose.covariance = _struct_36d.unpack(str[start:end])
      _x = self
      start = end
      end += 48
      (_x.odom.twist.twist.linear.x, _x.odom.twist.twist.linear.y, _x.odom.twist.twist.linear.z, _x.odom.twist.twist.angular.x, _x.odom.twist.twist.angular.y, _x.odom.twist.twist.angular.z,) = _struct_6d.unpack(str[start:end])
      start = end
      end += 288
      self.odom.twist.covariance = _struct_36d.unpack(str[start:end])
      start = end
      end += 4
      (length,) = _struct_I.unpack(str[start:end])
      self.obs = []
      for i in xrange(0, length):
        val1 = art_msgs.msg.Observation()
        start = end
        end += 4
        (val1.oid,) = _struct_i.unpack(str[start:end])
        start = end
        end += 4
        (length,) = _struct_I.unpack(str[start:end])
        start = end
        end += length
        val1.name = str[start:end]
        _x = val1
        start = end
        end += 18
        (_x.applicable, _x.clear, _x.time, _x.distance, _x.velocity, _x.nobjects,) = _struct_2B3fi.unpack(str[start:end])
        val1.applicable = bool(val1.applicable)
        val1.clear = bool(val1.clear)
        self.obs.append(val1)
      return self
    except struct.error, e:
      raise roslib.message.DeserializationError(e) #most likely buffer underfill


  def serialize_numpy(self, buff, numpy):
    """
    serialize message with numpy array types into buffer
    @param buff: buffer
    @type  buff: StringIO
    @param numpy: numpy python module
    @type  numpy module
    """
    try:
      _x = self
      buff.write(_struct_3I.pack(_x.header.seq, _x.header.stamp.secs, _x.header.stamp.nsecs))
      _x = self.header.frame_id
      length = len(_x)
      buff.write(struct.pack('<I%ss'%length, length, _x))
      _x = self
      buff.write(_struct_3I.pack(_x.odom.header.seq, _x.odom.header.stamp.secs, _x.odom.header.stamp.nsecs))
      _x = self.odom.header.frame_id
      length = len(_x)
      buff.write(struct.pack('<I%ss'%length, length, _x))
      _x = self.odom.child_frame_id
      length = len(_x)
      buff.write(struct.pack('<I%ss'%length, length, _x))
      _x = self
      buff.write(_struct_7d.pack(_x.odom.pose.pose.position.x, _x.odom.pose.pose.position.y, _x.odom.pose.pose.position.z, _x.odom.pose.pose.orientation.x, _x.odom.pose.pose.orientation.y, _x.odom.pose.pose.orientation.z, _x.odom.pose.pose.orientation.w))
      buff.write(self.odom.pose.covariance.tostring())
      _x = self
      buff.write(_struct_6d.pack(_x.odom.twist.twist.linear.x, _x.odom.twist.twist.linear.y, _x.odom.twist.twist.linear.z, _x.odom.twist.twist.angular.x, _x.odom.twist.twist.angular.y, _x.odom.twist.twist.angular.z))
      buff.write(self.odom.twist.covariance.tostring())
      length = len(self.obs)
      buff.write(_struct_I.pack(length))
      for val1 in self.obs:
        buff.write(_struct_i.pack(val1.oid))
        _x = val1.name
        length = len(_x)
        buff.write(struct.pack('<I%ss'%length, length, _x))
        _x = val1
        buff.write(_struct_2B3fi.pack(_x.applicable, _x.clear, _x.time, _x.distance, _x.velocity, _x.nobjects))
    except struct.error, se: self._check_types(se)
    except TypeError, te: self._check_types(te)

  def deserialize_numpy(self, str, numpy):
    """
    unpack serialized message in str into this message instance using numpy for array types
    @param str: byte array of serialized message
    @type  str: str
    @param numpy: numpy python module
    @type  numpy: module
    """
    try:
      if self.header is None:
        self.header = std_msgs.msg._Header.Header()
      if self.odom is None:
        self.odom = nav_msgs.msg.Odometry()
      end = 0
      _x = self
      start = end
      end += 12
      (_x.header.seq, _x.header.stamp.secs, _x.header.stamp.nsecs,) = _struct_3I.unpack(str[start:end])
      start = end
      end += 4
      (length,) = _struct_I.unpack(str[start:end])
      start = end
      end += length
      self.header.frame_id = str[start:end]
      _x = self
      start = end
      end += 12
      (_x.odom.header.seq, _x.odom.header.stamp.secs, _x.odom.header.stamp.nsecs,) = _struct_3I.unpack(str[start:end])
      start = end
      end += 4
      (length,) = _struct_I.unpack(str[start:end])
      start = end
      end += length
      self.odom.header.frame_id = str[start:end]
      start = end
      end += 4
      (length,) = _struct_I.unpack(str[start:end])
      start = end
      end += length
      self.odom.child_frame_id = str[start:end]
      _x = self
      start = end
      end += 56
      (_x.odom.pose.pose.position.x, _x.odom.pose.pose.position.y, _x.odom.pose.pose.position.z, _x.odom.pose.pose.orientation.x, _x.odom.pose.pose.orientation.y, _x.odom.pose.pose.orientation.z, _x.odom.pose.pose.orientation.w,) = _struct_7d.unpack(str[start:end])
      start = end
      end += 288
      self.odom.pose.covariance = numpy.frombuffer(str[start:end], dtype=numpy.float64, count=36)
      _x = self
      start = end
      end += 48
      (_x.odom.twist.twist.linear.x, _x.odom.twist.twist.linear.y, _x.odom.twist.twist.linear.z, _x.odom.twist.twist.angular.x, _x.odom.twist.twist.angular.y, _x.odom.twist.twist.angular.z,) = _struct_6d.unpack(str[start:end])
      start = end
      end += 288
      self.odom.twist.covariance = numpy.frombuffer(str[start:end], dtype=numpy.float64, count=36)
      start = end
      end += 4
      (length,) = _struct_I.unpack(str[start:end])
      self.obs = []
      for i in xrange(0, length):
        val1 = art_msgs.msg.Observation()
        start = end
        end += 4
        (val1.oid,) = _struct_i.unpack(str[start:end])
        start = end
        end += 4
        (length,) = _struct_I.unpack(str[start:end])
        start = end
        end += length
        val1.name = str[start:end]
        _x = val1
        start = end
        end += 18
        (_x.applicable, _x.clear, _x.time, _x.distance, _x.velocity, _x.nobjects,) = _struct_2B3fi.unpack(str[start:end])
        val1.applicable = bool(val1.applicable)
        val1.clear = bool(val1.clear)
        self.obs.append(val1)
      return self
    except struct.error, e:
      raise roslib.message.DeserializationError(e) #most likely buffer underfill

_struct_I = roslib.message.struct_I
_struct_7d = struct.Struct("<7d")
_struct_6d = struct.Struct("<6d")
_struct_i = struct.Struct("<i")
_struct_36d = struct.Struct("<36d")
_struct_2B3fi = struct.Struct("<2B3fi")
_struct_3I = struct.Struct("<3I")

---

art_msgs
Author(s): Jack O'Quin
autogenerated on Fri Jan 11 09:09:42 2013