Class: Visualization_msgs::ImageMarker

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

Constant Summary collapse

CIRCLE =

Pseudo-constants

0
LINE_STRIP = 
1
LINE_LIST = 
2
POLYGON = 
3
POINTS = 
4
ADD = 
0
REMOVE = 
1
@@struct_f4 = 
::ROS::Struct.new("f4")
@@struct_L3 = 
::ROS::Struct.new("L3")
@@struct_l3d3f5Cf4l2 = 
::ROS::Struct.new("l3d3f5Cf4l2")
@@struct_d3 = 
::ROS::Struct.new("d3")
@@struct_L = 
::ROS::Struct.new("L")
@@slot_types = 
['Header','string','int32','int32','int32','geometry_msgs/Point','float32','std_msgs/ColorRGBA','uint8','std_msgs/ColorRGBA','duration','geometry_msgs/Point[]','std_msgs/ColorRGBA[]']

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args = {}) ⇒ ImageMarker

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

Parameters:

  • args (Hash) (defaults to: {}) —

    keyword for initializing values

Options Hash (args):

  • :header (Header) —

    initialize value

  • :ns (string) —

    initialize value

  • :id (int32) —

    initialize value

  • :type (int32) —

    initialize value

  • :action (int32) —

    initialize value

  • :position (geometry_msgs/Point) —

    initialize value

  • :scale (float32) —

    initialize value

  • :outline_color (std_msgs/ColorRGBA) —

    initialize value

  • :filled (uint8) —

    initialize value

  • :fill_color (std_msgs/ColorRGBA) —

    initialize value

  • :lifetime (duration) —

    initialize value

  • :points (geometry_msgs/Point[]) —

    initialize value

  • :outline_colors (std_msgs/ColorRGBA[]) —

    initialize value



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# File 'lib/visualization_msgs/ImageMarker.rb', line 118

def initialize(args={})
  # message fields cannot be None, assign default values for those that are
  if args[:header]
    @header = args[:header]
  else
    @header = Std_msgs::Header.new
  end
  if args[:ns]
    @ns = args[:ns]
  else
    @ns = ''
  end
  if args[:id]
    @id = args[:id]
  else
    @id = 0
  end
  if args[:type]
    @type = args[:type]
  else
    @type = 0
  end
  if args[:action]
    @action = args[:action]
  else
    @action = 0
  end
  if args[:position]
    @position = args[:position]
  else
    @position = Geometry_msgs::Point.new
  end
  if args[:scale]
    @scale = args[:scale]
  else
    @scale = 0.0
  end
  if args[:outline_color]
    @outline_color = args[:outline_color]
  else
    @outline_color = Std_msgs::ColorRGBA.new
  end
  if args[:filled]
    @filled = args[:filled]
  else
    @filled = 0
  end
  if args[:fill_color]
    @fill_color = args[:fill_color]
  else
    @fill_color = Std_msgs::ColorRGBA.new
  end
  if args[:lifetime]
    @lifetime = args[:lifetime]
  else
    @lifetime = ROS::Duration.new
  end
  if args[:points]
    @points = args[:points]
  else
    @points = []
  end
  if args[:outline_colors]
    @outline_colors = args[:outline_colors]
  else
    @outline_colors = []
  end
end

Instance Attribute Details

#action ⇒ Object

Returns the value of attribute action.



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# File 'lib/visualization_msgs/ImageMarker.rb', line 92

def action
  @action
end

#fill_color ⇒ Object

Returns the value of attribute fill_color.



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# File 'lib/visualization_msgs/ImageMarker.rb', line 92

def fill_color
  @fill_color
end

#filled ⇒ Object

Returns the value of attribute filled.



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# File 'lib/visualization_msgs/ImageMarker.rb', line 92

def filled
  @filled
end

#header ⇒ Object

Returns the value of attribute header.



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# File 'lib/visualization_msgs/ImageMarker.rb', line 92

def header
  @header
end

#id ⇒ Object

Returns the value of attribute id.



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# File 'lib/visualization_msgs/ImageMarker.rb', line 92

def id
  @id
end

#lifetime ⇒ Object

Returns the value of attribute lifetime.



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# File 'lib/visualization_msgs/ImageMarker.rb', line 92

def lifetime
  @lifetime
end

#ns ⇒ Object

Returns the value of attribute ns.



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# File 'lib/visualization_msgs/ImageMarker.rb', line 92

def ns
  @ns
end

#outline_color ⇒ Object

Returns the value of attribute outline_color.



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# File 'lib/visualization_msgs/ImageMarker.rb', line 92

def outline_color
  @outline_color
end

#outline_colors ⇒ Object

Returns the value of attribute outline_colors.



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# File 'lib/visualization_msgs/ImageMarker.rb', line 92

def outline_colors
  @outline_colors
end

#points ⇒ Object

Returns the value of attribute points.



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# File 'lib/visualization_msgs/ImageMarker.rb', line 92

def points
  @points
end

#position ⇒ Object

Returns the value of attribute position.



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# File 'lib/visualization_msgs/ImageMarker.rb', line 92

def position
  @position
end

#scale ⇒ Object

Returns the value of attribute scale.



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# File 'lib/visualization_msgs/ImageMarker.rb', line 92

def scale
  @scale
end

#type ⇒ Object

Returns the value of attribute type.



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# File 'lib/visualization_msgs/ImageMarker.rb', line 92

def type
  @type
end

Class Method Details

.md5sum ⇒ Object 



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# File 'lib/visualization_msgs/ImageMarker.rb', line 12

def self.md5sum
  "1de93c67ec8858b831025a08fbf1b35c"
end

.type ⇒ Object 



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

def self.type
  "visualization_msgs/ImageMarker"
end

Instance Method Details

#_get_types ⇒ String

internal API method

Returns:

  • (String) —

    Message type string.



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# File 'lib/visualization_msgs/ImageMarker.rb', line 189

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/ImageMarker.rb', line 225

def deserialize(str)

  begin
    if @header == nil
      @header = Std_msgs::Header.new
    end
    if @position == nil
      @position = Geometry_msgs::Point.new
    end
    if @outline_color == nil
      @outline_color = Std_msgs::ColorRGBA.new
    end
    if @fill_color == nil
      @fill_color = Std_msgs::ColorRGBA.new
    end
    if @lifetime == nil
      @lifetime = ROS::Duration.new
    end
    end_point = 0
    start = end_point
    end_point += ROS::Struct::calc_size('L3')
    (@header.seq, @header.stamp.secs, @header.stamp.nsecs,) = @@struct_L3.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
    @header.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
    @ns = str[start..(end_point-1)]
    start = end_point
    end_point += ROS::Struct::calc_size('l3d3f5Cf4l2')
    (@id, @type, @action, @position.x, @position.y, @position.z, @scale, @outline_color.r, @outline_color.g, @outline_color.b, @outline_color.a, @filled, @fill_color.r, @fill_color.g, @fill_color.b, @fill_color.a, @lifetime.secs, @lifetime.nsecs,) = @@struct_l3d3f5Cf4l2.unpack(str[start..(end_point-1)])
    start = end_point
    end_point += 4
    (length,) = @@struct_L.unpack(str[start..(end_point-1)])
    @points = []
    length.times do
      val1 = Geometry_msgs::Point.new
      _x = val1
      start = end_point
      end_point += ROS::Struct::calc_size('d3')
      (_x.x, _x.y, _x.z,) = @@struct_d3.unpack(str[start..(end_point-1)])
      @points.push(val1)
    end
    start = end_point
    end_point += 4
    (length,) = @@struct_L.unpack(str[start..(end_point-1)])
    @outline_colors = []
    length.times do
      val1 = Std_msgs::ColorRGBA.new
      _x = val1
      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)])
      @outline_colors.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/ImageMarker.rb', line 20

def has_header?
  true
end

#message_definition ⇒ Object 



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

def message_definition
  "uint8 CIRCLE=0
uint8 LINE_STRIP=1
uint8 LINE_LIST=2
uint8 POLYGON=3
uint8 POINTS=4

uint8 ADD=0
uint8 REMOVE=1

Header header
string ns		# namespace, used with id to form a unique id
int32 id          	# unique id within the namespace
int32 type        	# CIRCLE/LINE_STRIP/etc.
int32 action      	# ADD/REMOVE
geometry_msgs/Point position # 2D, in pixel-coords
float32 scale	 	# the diameter for a circle, etc.
std_msgs/ColorRGBA outline_color
uint8 filled		# whether to fill in the shape with color
std_msgs/ColorRGBA fill_color # color [0.0-1.0]
duration lifetime       # How long the object should last before being automatically deleted.  0 means forever


geometry_msgs/Point[] points # used for LINE_STRIP/LINE_LIST/POINTS/etc., 2D in pixel coords
std_msgs/ColorRGBA[] outline_colors # a color for each line, point, etc.
================================================================================
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/Point
# This contains the position of a point 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/ImageMarker.rb', line 195

def serialize(buff)
  begin
    buff.write(@@struct_L3.pack(@header.seq, @header.stamp.secs, @header.stamp.nsecs))
    _x = @header.frame_id
    length = _x.length
    buff.write([length, _x].pack("La#{length}"))
    _x = @ns
    length = _x.length
    buff.write([length, _x].pack("La#{length}"))
    buff.write(@@struct_l3d3f5Cf4l2.pack(@id, @type, @action, @position.x, @position.y, @position.z, @scale, @outline_color.r, @outline_color.g, @outline_color.b, @outline_color.a, @filled, @fill_color.r, @fill_color.g, @fill_color.b, @fill_color.a, @lifetime.secs, @lifetime.nsecs))
    length = @points.length
    buff.write(@@struct_L.pack(length))
    for val1 in @points
      _x = val1
      buff.write(@@struct_d3.pack(_x.x, _x.y, _x.z))
    end
    length = @outline_colors.length
    buff.write(@@struct_L.pack(length))
    for val1 in @outline_colors
      _x = val1
      buff.write(@@struct_f4.pack(_x.r, _x.g, _x.b, _x.a))
    end
  rescue => exception
    raise "some erro in serialize: #{exception}"

  end
end