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_JointTrajectoryPoint.py

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

import roslib.rostime

class JointTrajectoryPoint(roslib.message.Message):
  _md5sum = "84fd2dcf68773c3dc0e9db894f4e8b40"
  _type = "trajectory_msgs/JointTrajectoryPoint"
  _has_header = False #flag to mark the presence of a Header object
  _full_text = """float64[] positions
float64[] velocities
float64[] accelerations
duration time_from_start
"""
  __slots__ = ['positions','velocities','accelerations','time_from_start']
  _slot_types = ['float64[]','float64[]','float64[]','duration']

  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:
       positions,velocities,accelerations,time_from_start
    
    @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(JointTrajectoryPoint, self).__init__(*args, **kwds)
      #message fields cannot be None, assign default values for those that are
      if self.positions is None:
        self.positions = []
      if self.velocities is None:
        self.velocities = []
      if self.accelerations is None:
        self.accelerations = []
      if self.time_from_start is None:
        self.time_from_start = roslib.rostime.Duration()
    else:
      self.positions = []
      self.velocities = []
      self.accelerations = []
      self.time_from_start = roslib.rostime.Duration()

  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:
      length = len(self.positions)
      buff.write(_struct_I.pack(length))
      pattern = '<%sd'%length
      buff.write(struct.pack(pattern, *self.positions))
      length = len(self.velocities)
      buff.write(_struct_I.pack(length))
      pattern = '<%sd'%length
      buff.write(struct.pack(pattern, *self.velocities))
      length = len(self.accelerations)
      buff.write(_struct_I.pack(length))
      pattern = '<%sd'%length
      buff.write(struct.pack(pattern, *self.accelerations))
      _x = self
      buff.write(_struct_2i.pack(_x.time_from_start.secs, _x.time_from_start.nsecs))
    except struct.error as se: self._check_types(se)
    except TypeError as 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.time_from_start is None:
        self.time_from_start = roslib.rostime.Duration()
      end = 0
      start = end
      end += 4
      (length,) = _struct_I.unpack(str[start:end])
      pattern = '<%sd'%length
      start = end
      end += struct.calcsize(pattern)
      self.positions = struct.unpack(pattern, str[start:end])
      start = end
      end += 4
      (length,) = _struct_I.unpack(str[start:end])
      pattern = '<%sd'%length
      start = end
      end += struct.calcsize(pattern)
      self.velocities = struct.unpack(pattern, str[start:end])
      start = end
      end += 4
      (length,) = _struct_I.unpack(str[start:end])
      pattern = '<%sd'%length
      start = end
      end += struct.calcsize(pattern)
      self.accelerations = struct.unpack(pattern, str[start:end])
      _x = self
      start = end
      end += 8
      (_x.time_from_start.secs, _x.time_from_start.nsecs,) = _struct_2i.unpack(str[start:end])
      self.time_from_start.canon()
      return self
    except struct.error as 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:
      length = len(self.positions)
      buff.write(_struct_I.pack(length))
      pattern = '<%sd'%length
      buff.write(self.positions.tostring())
      length = len(self.velocities)
      buff.write(_struct_I.pack(length))
      pattern = '<%sd'%length
      buff.write(self.velocities.tostring())
      length = len(self.accelerations)
      buff.write(_struct_I.pack(length))
      pattern = '<%sd'%length
      buff.write(self.accelerations.tostring())
      _x = self
      buff.write(_struct_2i.pack(_x.time_from_start.secs, _x.time_from_start.nsecs))
    except struct.error as se: self._check_types(se)
    except TypeError as 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.time_from_start is None:
        self.time_from_start = roslib.rostime.Duration()
      end = 0
      start = end
      end += 4
      (length,) = _struct_I.unpack(str[start:end])
      pattern = '<%sd'%length
      start = end
      end += struct.calcsize(pattern)
      self.positions = numpy.frombuffer(str[start:end], dtype=numpy.float64, count=length)
      start = end
      end += 4
      (length,) = _struct_I.unpack(str[start:end])
      pattern = '<%sd'%length
      start = end
      end += struct.calcsize(pattern)
      self.velocities = numpy.frombuffer(str[start:end], dtype=numpy.float64, count=length)
      start = end
      end += 4
      (length,) = _struct_I.unpack(str[start:end])
      pattern = '<%sd'%length
      start = end
      end += struct.calcsize(pattern)
      self.accelerations = numpy.frombuffer(str[start:end], dtype=numpy.float64, count=length)
      _x = self
      start = end
      end += 8
      (_x.time_from_start.secs, _x.time_from_start.nsecs,) = _struct_2i.unpack(str[start:end])
      self.time_from_start.canon()
      return self
    except struct.error as e:
      raise roslib.message.DeserializationError(e) #most likely buffer underfill

_struct_I = roslib.message.struct_I
_struct_2i = struct.Struct("<2i")

---

trajectory_msgs
Author(s): Stuart Glaser
autogenerated on Fri Mar 1 15:06:33 2013