Class: NMEAPlus::Message::AIS::VDMPayload::SubArea0

Inherits:

SubAreaAnchored

• Object
• Payload
• SubArea
• SubAreaScaled
• SubAreaAnchored
• NMEAPlus::Message::AIS::VDMPayload::SubArea0

Defined in:

lib/nmea_plus/message/ais/vdm_payload/sub_area.rb

Overview

SubArea structure type 0: Circle or point

Instance Attribute Summary

• #radius ⇒ Object readonly

  The field defined by the 12 bits starting at payload bit 57, formatted with the function Payload#_u(, , ).

• #radius_meters ⇒ Integer readonly

  Radius in meters, according to scale factor.

Attributes inherited from SubAreaAnchored

#latitude, #longitude, #precision

Attributes inherited from SubAreaScaled

#scale_factor, #scale_meters

Attributes inherited from SubArea

#shape_description, #shape_id

Attributes inherited from Payload

#fill_bits, #payload_bitstring

Method Summary

Methods inherited from Payload

#_2b_data_string, #_6b_ascii, #_6b_boolean, #_6b_integer, #_6b_integer_scaled, #_6b_integer_scaled_shifted, #_6b_negated_boolean, #_6b_string, #_6b_string_nullterminated, #_6b_unsigned_integer, #_6b_unsigned_integer_scaled, #_6b_unsigned_integer_scaled_shifted, #_8b_data_string, #_access, #_bit_slices, #_get_date_mdhm, #_object_by_name, #initialize, payload_reader

Constructor Details

This class inherits a constructor from NMEAPlus::Message::AIS::VDMPayload::Payload

Instance Attribute Details

#radius ⇒ Object (readonly)

Returns The field defined by the 12 bits starting at payload bit 57, formatted with the function Payload#_u(, , ).

Returns:

• The field defined by the 12 bits starting at payload bit 57, formatted with the function Payload#_u(, , )

# File 'lib/nmea_plus/message/ais/vdm_payload/sub_area.rb', line 50

payload_reader :radius, 57, 12, :_u

#radius_meters ⇒ Integer (readonly)

Returns Radius in meters, according to scale factor.

Returns:

• (Integer) —

  Radius in meters, according to scale factor

# File 'lib/nmea_plus/message/ais/vdm_payload/sub_area.rb', line 54

def radius_meters
  radius * scale_meters
end