Class: Visualization_msgs::MarkerArray

Inherits:
ROS::Message
  • Object
show all
Defined in:
lib/visualization_msgs/MarkerArray.rb

Constant Summary collapse

@@struct_C = 
::ROS::Struct.new("C")
@@struct_l2 = 
::ROS::Struct.new("l2")
@@struct_l3 = 
::ROS::Struct.new("l3")
@@struct_f4 = 
::ROS::Struct.new("f4")
@@struct_d4 = 
::ROS::Struct.new("d4")
@@struct_L2 = 
::ROS::Struct.new("L2")
@@struct_d3 = 
::ROS::Struct.new("d3")
@@struct_L = 
::ROS::Struct.new("L")
@@slot_types = 
['visualization_msgs/Marker[]']

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args = {}) ⇒ MarkerArray

Constructor. You can set the default values using keyword operators.

Parameters:

  • args (Hash) (defaults to: {}) —

    keyword for initializing values

Options Hash (args):

  • :markers (visualization_msgs/Marker[]) —

    initialize value



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# File 'lib/visualization_msgs/MarkerArray.rb', line 150

def initialize(args={})
  # message fields cannot be None, assign default values for those that are
  if args[:markers]
    @markers = args[:markers]
  else
    @markers = []
  end
end

Instance Attribute Details

#markers ⇒ Object

Returns the value of attribute markers.



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# File 'lib/visualization_msgs/MarkerArray.rb', line 133

def markers
  @markers
end

Class Method Details

.md5sum ⇒ Object 



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# File 'lib/visualization_msgs/MarkerArray.rb', line 16

def self.md5sum
  "90da67007c26525f655c1c269094e39f"
end

.type ⇒ Object 



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# File 'lib/visualization_msgs/MarkerArray.rb', line 20

def self.type
  "visualization_msgs/MarkerArray"
end

Instance Method Details

#_get_types ⇒ String

internal API method

Returns:

  • (String) —

    Message type string.



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# File 'lib/visualization_msgs/MarkerArray.rb', line 161

def _get_types
  @slot_types
end

#deserialize(str) ⇒ Object

unpack serialized message in str into this message instance

@param [String] str: byte array of serialized message



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# File 'lib/visualization_msgs/MarkerArray.rb', line 230

def deserialize(str)

  begin
    end_point = 0
    start = end_point
    end_point += 4
    (length,) = @@struct_L.unpack(str[start..(end_point-1)])
    @markers = []
    length.times do
      val1 = Visualization_msgs::Marker.new
      _v35 = val1.header
      start = end_point
      end_point += ROS::Struct::calc_size('L')
      (_v35.seq,) = @@struct_L.unpack(str[start..(end_point-1)])
      _v36 = _v35.stamp
      _x = _v36
      start = end_point
      end_point += ROS::Struct::calc_size('L2')
      (_x.secs, _x.nsecs,) = @@struct_L2.unpack(str[start..(end_point-1)])
      start = end_point
      end_point += 4
      (length,) = @@struct_L.unpack(str[start..(end_point-1)])
      start = end_point
      end_point += length
      _v35.frame_id = str[start..(end_point-1)]
      start = end_point
      end_point += 4
      (length,) = @@struct_L.unpack(str[start..(end_point-1)])
      start = end_point
      end_point += length
      val1.ns = str[start..(end_point-1)]
      _x = val1
      start = end_point
      end_point += ROS::Struct::calc_size('l3')
      (_x.id, _x.type, _x.action,) = @@struct_l3.unpack(str[start..(end_point-1)])
      _v37 = val1.pose
      _v38 = _v37.position
      _x = _v38
      start = end_point
      end_point += ROS::Struct::calc_size('d3')
      (_x.x, _x.y, _x.z,) = @@struct_d3.unpack(str[start..(end_point-1)])
      _v39 = _v37.orientation
      _x = _v39
      start = end_point
      end_point += ROS::Struct::calc_size('d4')
      (_x.x, _x.y, _x.z, _x.w,) = @@struct_d4.unpack(str[start..(end_point-1)])
      _v40 = val1.scale
      _x = _v40
      start = end_point
      end_point += ROS::Struct::calc_size('d3')
      (_x.x, _x.y, _x.z,) = @@struct_d3.unpack(str[start..(end_point-1)])
      _v41 = val1.color
      _x = _v41
      start = end_point
      end_point += ROS::Struct::calc_size('f4')
      (_x.r, _x.g, _x.b, _x.a,) = @@struct_f4.unpack(str[start..(end_point-1)])
      _v42 = val1.lifetime
      _x = _v42
      start = end_point
      end_point += ROS::Struct::calc_size('l2')
      (_x.secs, _x.nsecs,) = @@struct_l2.unpack(str[start..(end_point-1)])
      start = end_point
      end_point += ROS::Struct::calc_size('C')
      (val1.frame_locked,) = @@struct_C.unpack(str[start..(end_point-1)])
      val1.frame_locked = bool(val1.frame_locked)
      start = end_point
      end_point += 4
      (length,) = @@struct_L.unpack(str[start..(end_point-1)])
      val1.points = []
      length.times do
        val2 = Geometry_msgs::Point.new
        _x = val2
        start = end_point
        end_point += ROS::Struct::calc_size('d3')
        (_x.x, _x.y, _x.z,) = @@struct_d3.unpack(str[start..(end_point-1)])
        val1.points.push(val2)
      end
      start = end_point
      end_point += 4
      (length,) = @@struct_L.unpack(str[start..(end_point-1)])
      val1.colors = []
      length.times do
        val2 = Std_msgs::ColorRGBA.new
        _x = val2
        start = end_point
        end_point += ROS::Struct::calc_size('f4')
        (_x.r, _x.g, _x.b, _x.a,) = @@struct_f4.unpack(str[start..(end_point-1)])
        val1.colors.push(val2)
      end
      start = end_point
      end_point += 4
      (length,) = @@struct_L.unpack(str[start..(end_point-1)])
      start = end_point
      end_point += length
      val1.text = str[start..(end_point-1)]
      start = end_point
      end_point += 4
      (length,) = @@struct_L.unpack(str[start..(end_point-1)])
      start = end_point
      end_point += length
      val1.mesh_resource = str[start..(end_point-1)]
      start = end_point
      end_point += ROS::Struct::calc_size('C')
      (val1.mesh_use_embedded_materials,) = @@struct_C.unpack(str[start..(end_point-1)])
      val1.mesh_use_embedded_materials = bool(val1.mesh_use_embedded_materials)
      @markers.push(val1)
    end
    return self
  rescue => exception
    raise "message DeserializationError: #{exception}" #most likely buffer underfill
  end
end

#has_header? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/visualization_msgs/MarkerArray.rb', line 24

def has_header?
  false
end

#message_definition ⇒ Object 



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# File 'lib/visualization_msgs/MarkerArray.rb', line 28

def message_definition
  "Marker[] markers

================================================================================
MSG: visualization_msgs/Marker
# See http://www.ros.org/wiki/rviz/DisplayTypes/Marker and http://www.ros.org/wiki/rviz/Tutorials/Markers%3A%20Basic%20Shapes for more information on using this message with rviz

uint8 ARROW=0
uint8 CUBE=1
uint8 SPHERE=2
uint8 CYLINDER=3
uint8 LINE_STRIP=4
uint8 LINE_LIST=5
uint8 CUBE_LIST=6
uint8 SPHERE_LIST=7
uint8 POINTS=8
uint8 TEXT_VIEW_FACING=9
uint8 MESH_RESOURCE=10
uint8 TRIANGLE_LIST=11

uint8 ADD=0
uint8 MODIFY=0
uint8 DELETE=2

Header header                        # header for time/frame information
string ns                            # Namespace to place this object in... used in conjunction with id to create a unique name for the object
int32 id                             # object ID useful in conjunction with the namespace for manipulating and deleting the object later
int32 type                           # Type of object
int32 action                         # 0 add/modify an object, 1 (deprecated), 2 deletes an object
geometry_msgs/Pose pose                 # Pose of the object
geometry_msgs/Vector3 scale             # Scale of the object 1,1,1 means default (usually 1 meter square)
std_msgs/ColorRGBA color             # Color [0.0-1.0]
duration lifetime                    # How long the object should last before being automatically deleted.  0 means forever
bool frame_locked                    # If this marker should be frame-locked, i.e. retransformed into its frame every timestep

#Only used if the type specified has some use for them (eg. POINTS, LINE_STRIP, ...)
geometry_msgs/Point[] points
#Only used if the type specified has some use for them (eg. POINTS, LINE_STRIP, ...)
#number of colors must either be 0 or equal to the number of points
#NOTE: alpha is not yet used
std_msgs/ColorRGBA[] colors

# NOTE: only used for text markers
string text

# NOTE: only used for MESH_RESOURCE markers
string mesh_resource
bool mesh_use_embedded_materials

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

float64 x
float64 y
float64 z
================================================================================
MSG: std_msgs/ColorRGBA
float32 r
float32 g
float32 b
float32 a

"
end

#serialize(buff) ⇒ Object

serialize message into buffer

Parameters:

  • buff (IO) —

    buffer



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# File 'lib/visualization_msgs/MarkerArray.rb', line 167

def serialize(buff)
  begin
    length = @markers.length
    buff.write(@@struct_L.pack(length))
    for val1 in @markers
      _v27 = val1.header
      buff.write(@@struct_L.pack(_v27.seq))
      _v28 = _v27.stamp
      _x = _v28
      buff.write(@@struct_L2.pack(_x.secs, _x.nsecs))
      _x = _v27.frame_id
      length = _x.length
      buff.write([length, _x].pack("La#{length}"))
      _x = val1.ns
      length = _x.length
      buff.write([length, _x].pack("La#{length}"))
      _x = val1
      buff.write(@@struct_l3.pack(_x.id, _x.type, _x.action))
      _v29 = val1.pose
      _v30 = _v29.position
      _x = _v30
      buff.write(@@struct_d3.pack(_x.x, _x.y, _x.z))
      _v31 = _v29.orientation
      _x = _v31
      buff.write(@@struct_d4.pack(_x.x, _x.y, _x.z, _x.w))
      _v32 = val1.scale
      _x = _v32
      buff.write(@@struct_d3.pack(_x.x, _x.y, _x.z))
      _v33 = val1.color
      _x = _v33
      buff.write(@@struct_f4.pack(_x.r, _x.g, _x.b, _x.a))
      _v34 = val1.lifetime
      _x = _v34
      buff.write(@@struct_l2.pack(_x.secs, _x.nsecs))
      buff.write(@@struct_C.pack(val1.frame_locked))
      length = val1.points.length
      buff.write(@@struct_L.pack(length))
      for val2 in val1.points
        _x = val2
        buff.write(@@struct_d3.pack(_x.x, _x.y, _x.z))
      end
      length = val1.colors.length
      buff.write(@@struct_L.pack(length))
      for val2 in val1.colors
        _x = val2
        buff.write(@@struct_f4.pack(_x.r, _x.g, _x.b, _x.a))
      end
      _x = val1.text
      length = _x.length
      buff.write([length, _x].pack("La#{length}"))
      _x = val1.mesh_resource
      length = _x.length
      buff.write([length, _x].pack("La#{length}"))
      buff.write(@@struct_C.pack(val1.mesh_use_embedded_materials))
    end
  rescue => exception
    raise "some erro in serialize: #{exception}"

  end
end