_Observation.py

Go to the documentation of this file.

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


class Observation(roslib.message.Message):
  _md5sum = "28e00e2d00322b881a7d7e5dce0b4103"
  _type = "art_msgs/Observation"
  _has_header = False #flag to mark the presence of a Header object
  _full_text = """# 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

"""
  __slots__ = ['oid','name','applicable','clear','time','distance','velocity','nobjects']
  _slot_types = ['int32','string','bool','bool','float32','float32','float32','int32']

  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:
       oid,name,applicable,clear,time,distance,velocity,nobjects
    
    @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(Observation, self).__init__(*args, **kwds)
      #message fields cannot be None, assign default values for those that are
      if self.oid is None:
        self.oid = 0
      if self.name is None:
        self.name = ''
      if self.applicable is None:
        self.applicable = False
      if self.clear is None:
        self.clear = False
      if self.time is None:
        self.time = 0.
      if self.distance is None:
        self.distance = 0.
      if self.velocity is None:
        self.velocity = 0.
      if self.nobjects is None:
        self.nobjects = 0
    else:
      self.oid = 0
      self.name = ''
      self.applicable = False
      self.clear = False
      self.time = 0.
      self.distance = 0.
      self.velocity = 0.
      self.nobjects = 0

  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:
      buff.write(_struct_i.pack(self.oid))
      _x = self.name
      length = len(_x)
      buff.write(struct.pack('<I%ss'%length, length, _x))
      _x = self
      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:
      end = 0
      start = end
      end += 4
      (self.oid,) = _struct_i.unpack(str[start:end])
      start = end
      end += 4
      (length,) = _struct_I.unpack(str[start:end])
      start = end
      end += length
      self.name = str[start:end]
      _x = self
      start = end
      end += 18
      (_x.applicable, _x.clear, _x.time, _x.distance, _x.velocity, _x.nobjects,) = _struct_2B3fi.unpack(str[start:end])
      self.applicable = bool(self.applicable)
      self.clear = bool(self.clear)
      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:
      buff.write(_struct_i.pack(self.oid))
      _x = self.name
      length = len(_x)
      buff.write(struct.pack('<I%ss'%length, length, _x))
      _x = self
      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:
      end = 0
      start = end
      end += 4
      (self.oid,) = _struct_i.unpack(str[start:end])
      start = end
      end += 4
      (length,) = _struct_I.unpack(str[start:end])
      start = end
      end += length
      self.name = str[start:end]
      _x = self
      start = end
      end += 18
      (_x.applicable, _x.clear, _x.time, _x.distance, _x.velocity, _x.nobjects,) = _struct_2B3fi.unpack(str[start:end])
      self.applicable = bool(self.applicable)
      self.clear = bool(self.clear)
      return self
    except struct.error, e:
      raise roslib.message.DeserializationError(e) #most likely buffer underfill

_struct_I = roslib.message.struct_I
_struct_i = struct.Struct("<i")
_struct_2B3fi = struct.Struct("<2B3fi")

---

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