Class: Astronoby::Dms

Inherits:
Object
  • Object
show all
Defined in:
lib/astronoby/angles/dms.rb

Overview

Represents an angle in degrees, arcminutes, arcseconds (DMS) notation.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(sign, degrees, minutes, seconds) ⇒ Dms

Returns a new instance of Dms.

Parameters:

  • sign (String) —

    “+” or “-”

  • degrees (Integer) —

    degrees component

  • minutes (Integer) —

    arcminutes component

  • seconds (Float) —

    arcseconds component



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# File 'lib/astronoby/angles/dms.rb', line 22

def initialize(sign, degrees, minutes, seconds)
  @sign = sign
  @degrees = degrees
  @minutes = minutes
  @seconds = seconds
end

Instance Attribute Details

#degrees ⇒ Integer (readonly)

Returns degrees component.

Returns:

  • (Integer) —

    degrees component



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# File 'lib/astronoby/angles/dms.rb', line 10

def degrees
  @degrees
end

#minutes ⇒ Integer (readonly)

Returns arcminutes component.

Returns:

  • (Integer) —

    arcminutes component



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# File 'lib/astronoby/angles/dms.rb', line 13

def minutes
  @minutes
end

#seconds ⇒ Float (readonly)

Returns arcseconds component.

Returns:

  • (Float) —

    arcseconds component



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# File 'lib/astronoby/angles/dms.rb', line 16

def seconds
  @seconds
end

#sign ⇒ String (readonly)

Returns “+” or “-”.

Returns:

  • (String) —

    “+” or “-”



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# File 'lib/astronoby/angles/dms.rb', line 7

def sign
  @sign
end

Instance Method Details

#format(precision: 4) ⇒ String

Returns the formatted DMS string (e.g., “+45° 30′ 15.0000″”).

Parameters:

  • precision (Integer) (defaults to: 4) —

    decimal places for the seconds component

Returns:

  • (String) —

    the formatted DMS string (e.g., “+45° 30′ 15.0000″”)



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# File 'lib/astronoby/angles/dms.rb', line 31

def format(precision: 4)
  "#{sign}#{degrees}° #{minutes}′ #{seconds.floor(precision)}″"
end