_OccupancyGrid.py

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

import geometry_msgs.msg
import nav_msgs.msg
import roslib.rostime
import std_msgs.msg

class OccupancyGrid(roslib.message.Message):
  _md5sum = "3381f2d731d4076ec5c71b0759edbe4e"
  _type = "nav_msgs/OccupancyGrid"
  _has_header = True #flag to mark the presence of a Header object
  _full_text = """# This represents a 2-D grid map, in which each cell represents the probability of
# occupancy.

Header header 

#MetaData for the map
MapMetaData info

# The map data, in row-major order, starting with (0,0).  Occupancy
# probabilities are in the range [0,100].  Unknown is -1.
int8[] data

================================================================================
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/MapMetaData
# This hold basic information about the characterists of the OccupancyGrid

# The time at which the map was loaded
time map_load_time
# The map resolution [m/cell]
float32 resolution
# Map width [cells]
uint32 width
# Map height [cells]
uint32 height
# The origin of the map [m, m, rad].  This is the real-world pose of the
# cell (0,0) in the map.
geometry_msgs/Pose origin
================================================================================
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

"""
  __slots__ = ['header','info','data']
  _slot_types = ['Header','nav_msgs/MapMetaData','int8[]']

  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,info,data
    
    @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(OccupancyGrid, 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.info is None:
        self.info = nav_msgs.msg.MapMetaData()
      if self.data is None:
        self.data = []
    else:
      self.header = std_msgs.msg._Header.Header()
      self.info = nav_msgs.msg.MapMetaData()
      self.data = []

  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_2If2I7d.pack(_x.info.map_load_time.secs, _x.info.map_load_time.nsecs, _x.info.resolution, _x.info.width, _x.info.height, _x.info.origin.position.x, _x.info.origin.position.y, _x.info.origin.position.z, _x.info.origin.orientation.x, _x.info.origin.orientation.y, _x.info.origin.orientation.z, _x.info.origin.orientation.w))
      length = len(self.data)
      buff.write(_struct_I.pack(length))
      pattern = '<%sb'%length
      buff.write(struct.pack(pattern, *self.data))
    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.info is None:
        self.info = nav_msgs.msg.MapMetaData()
      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 += 76
      (_x.info.map_load_time.secs, _x.info.map_load_time.nsecs, _x.info.resolution, _x.info.width, _x.info.height, _x.info.origin.position.x, _x.info.origin.position.y, _x.info.origin.position.z, _x.info.origin.orientation.x, _x.info.origin.orientation.y, _x.info.origin.orientation.z, _x.info.origin.orientation.w,) = _struct_2If2I7d.unpack(str[start:end])
      start = end
      end += 4
      (length,) = _struct_I.unpack(str[start:end])
      pattern = '<%sb'%length
      start = end
      end += struct.calcsize(pattern)
      self.data = struct.unpack(pattern, str[start:end])
      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_2If2I7d.pack(_x.info.map_load_time.secs, _x.info.map_load_time.nsecs, _x.info.resolution, _x.info.width, _x.info.height, _x.info.origin.position.x, _x.info.origin.position.y, _x.info.origin.position.z, _x.info.origin.orientation.x, _x.info.origin.orientation.y, _x.info.origin.orientation.z, _x.info.origin.orientation.w))
      length = len(self.data)
      buff.write(_struct_I.pack(length))
      pattern = '<%sb'%length
      buff.write(self.data.tostring())
    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.info is None:
        self.info = nav_msgs.msg.MapMetaData()
      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 += 76
      (_x.info.map_load_time.secs, _x.info.map_load_time.nsecs, _x.info.resolution, _x.info.width, _x.info.height, _x.info.origin.position.x, _x.info.origin.position.y, _x.info.origin.position.z, _x.info.origin.orientation.x, _x.info.origin.orientation.y, _x.info.origin.orientation.z, _x.info.origin.orientation.w,) = _struct_2If2I7d.unpack(str[start:end])
      start = end
      end += 4
      (length,) = _struct_I.unpack(str[start:end])
      pattern = '<%sb'%length
      start = end
      end += struct.calcsize(pattern)
      self.data = numpy.frombuffer(str[start:end], dtype=numpy.int8, count=length)
      return self
    except struct.error, e:
      raise roslib.message.DeserializationError(e) #most likely buffer underfill

_struct_I = roslib.message.struct_I
_struct_3I = struct.Struct("<3I")
_struct_2If2I7d = struct.Struct("<2If2I7d")

---

nav_msgs
Author(s): Tully Foote
autogenerated on Fri Jan 11 09:58:53 2013