$search

_PointField.py

Go to the documentation of this file.

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


class PointField(roslib.message.Message):
  _md5sum = "268eacb2962780ceac86cbd17e328150"
  _type = "sensor_msgs/PointField"
  _has_header = False #flag to mark the presence of a Header object
  _full_text = """# This message holds the description of one point entry in the
# PointCloud2 message format.
uint8 INT8    = 1
uint8 UINT8   = 2
uint8 INT16   = 3
uint8 UINT16  = 4
uint8 INT32   = 5
uint8 UINT32  = 6
uint8 FLOAT32 = 7
uint8 FLOAT64 = 8

string name      # Name of field
uint32 offset    # Offset from start of point struct
uint8  datatype  # Datatype enumeration, see above
uint32 count     # How many elements in the field

"""
  # Pseudo-constants
  INT8 = 1
  UINT8 = 2
  INT16 = 3
  UINT16 = 4
  INT32 = 5
  UINT32 = 6
  FLOAT32 = 7
  FLOAT64 = 8

  __slots__ = ['name','offset','datatype','count']
  _slot_types = ['string','uint32','uint8','uint32']

  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:
       name,offset,datatype,count
    
    @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(PointField, self).__init__(*args, **kwds)
      #message fields cannot be None, assign default values for those that are
      if self.name is None:
        self.name = ''
      if self.offset is None:
        self.offset = 0
      if self.datatype is None:
        self.datatype = 0
      if self.count is None:
        self.count = 0
    else:
      self.name = ''
      self.offset = 0
      self.datatype = 0
      self.count = 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:
      _x = self.name
      length = len(_x)
      buff.write(struct.pack('<I%ss'%length, length, _x))
      _x = self
      buff.write(_struct_IBI.pack(_x.offset, _x.datatype, _x.count))
    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:
      end = 0
      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 += 9
      (_x.offset, _x.datatype, _x.count,) = _struct_IBI.unpack(str[start:end])
      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:
      _x = self.name
      length = len(_x)
      buff.write(struct.pack('<I%ss'%length, length, _x))
      _x = self
      buff.write(_struct_IBI.pack(_x.offset, _x.datatype, _x.count))
    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:
      end = 0
      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 += 9
      (_x.offset, _x.datatype, _x.count,) = _struct_IBI.unpack(str[start:end])
      return self
    except struct.error as e:
      raise roslib.message.DeserializationError(e) #most likely buffer underfill

_struct_I = roslib.message.struct_I
_struct_IBI = struct.Struct("<IBI")

---

sensor_msgs
Author(s): Maintained by Tully Foote/tfoote@willowgarage.com
autogenerated on Fri Mar 1 15:05:53 2013