Class: NMEAPlus::Message::AIS::VDMPayload::SubArea2

Inherits:
SubAreaAnchored show all
Defined in:
lib/nmea_plus/message/ais/vdm_payload/sub_area.rb

Overview

SubArea structure type 2: Sector

Instance Attribute Summary collapse

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

#boundary_leftObject (readonly)

Returns The field defined by the 9 bits starting at payload bit 69, formatted with the function Payload#_u(, , ).

Returns:

  • The field defined by the 9 bits starting at payload bit 69, formatted with the function Payload#_u(, , )



82
# File 'lib/nmea_plus/message/ais/vdm_payload/sub_area.rb', line 82

payload_reader :boundary_left, 69, 9, :_u

#boundary_rightObject (readonly)

Returns The field defined by the 9 bits starting at payload bit 78, formatted with the function Payload#_u(, , ).

Returns:

  • The field defined by the 9 bits starting at payload bit 78, formatted with the function Payload#_u(, , )



83
# File 'lib/nmea_plus/message/ais/vdm_payload/sub_area.rb', line 83

payload_reader :boundary_right, 78, 9, :_u

#radiusObject (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(, , )



81
# File 'lib/nmea_plus/message/ais/vdm_payload/sub_area.rb', line 81

payload_reader :radius, 57, 12, :_u

#radius_metersInteger (readonly)

Returns Radius in meters, according to scale factor.

Returns:

  • (Integer)

    Radius in meters, according to scale factor



87
88
89
# File 'lib/nmea_plus/message/ais/vdm_payload/sub_area.rb', line 87

def radius_meters
  radius * scale_meters
end