Class: Gooby::Point
Instance Attribute Summary collapse
Instance Method Summary
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#character_align, #default_delimiter, #invalid_altitude, #invalid_heartbeat, #invalid_latitude, #invalid_longitude, #invalid_time, #project_author, #project_copyright, #project_date, #project_embedded_comment, #project_license, #project_name, #project_version_number, #project_year, #read_as_ascii_lines, #read_lines, #strip_lines, #tokenize
Constructor Details
#initialize(*args) ⇒ Point
Returns a new instance of Point.
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# File 'lib/gooby_point.rb', line 15
def initialize(*args)
@number, @latitude, @longitude, @altitude, @uom, @heartbeat, @note = '', '', '', '', 'm', -1, ''
if args
if args.size == 1
initialize_from_string(args[0])
else
initialize_from_array(args)
end
end
end
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Instance Attribute Details
#altitude ⇒ Object
Returns the value of attribute altitude.
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# File 'lib/gooby_point.rb', line 13
def altitude
@altitude
end
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#latitude ⇒ Object
Returns the value of attribute latitude.
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# File 'lib/gooby_point.rb', line 13
def latitude
@latitude
end
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#longitude ⇒ Object
Returns the value of attribute longitude.
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# File 'lib/gooby_point.rb', line 13
def longitude
@longitude
end
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#note ⇒ Object
Returns the value of attribute note.
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# File 'lib/gooby_point.rb', line 13
def note
@note
end
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#number ⇒ Object
Returns the value of attribute number.
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# File 'lib/gooby_point.rb', line 13
def number
@number
end
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#uom ⇒ Object
Returns the value of attribute uom.
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# File 'lib/gooby_point.rb', line 13
def uom
@uom
end
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Instance Method Details
#altitude_as_float ⇒ Object
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# File 'lib/gooby_point.rb', line 100
def altitude_as_float
@altitude ? @altitude.to_f : invalid_altitude
end
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#csv_delim ⇒ Object
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# File 'lib/gooby_point.rb', line 26
def csv_delim
'|'
end
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#deg2rad(degrees) ⇒ Object
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# File 'lib/gooby_point.rb', line 163
def deg2rad(degrees)
(((0 + degrees) * Math::PI) / 180)
end
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#degrees_diff(another_point) ⇒ Object
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# File 'lib/gooby_point.rb', line 108
def degrees_diff(another_point)
if (another_point)
puts "this: #{to_s}" if false
puts "other: #{another_point.to_s}" if false
puts "lats: #{latitude_as_float} #{another_point.latitude_as_float}" if false
puts "lngs: #{longitude_as_float} #{another_point.longitude_as_float}" if false
lat_diff = latitude_as_float - another_point.latitude_as_float
lng_diff = longitude_as_float - another_point.longitude_as_float
diff = lat_diff.abs + lng_diff.abs
puts "diff: #{diff} #{lat_diff} #{lng_diff}" if false
diff
else
360
end
end
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#english_system ⇒ Object
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# File 'lib/gooby_point.rb', line 30
def english_system
if @uom
(@uom == 'm') ? true : false
else
return true
end
end
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#has_coordinates? ⇒ Boolean
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# File 'lib/gooby_point.rb', line 68
def has_coordinates?
return false if @latitude == nil
return false if @latitude.size < 1
return false if @longitude == nil
return false if @longitude .size < 1
return true
end
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#heartbeat_as_float ⇒ Object
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# File 'lib/gooby_point.rb', line 104
def heartbeat_as_float
@heartbeat? @heartbeat.to_f : invalid_heartbeat
end
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#initialize_from_array(args) ⇒ Object
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# File 'lib/gooby_point.rb', line 42
def initialize_from_array(args)
@latitude = args[0] if args.size > 0
@longitude = args[1] if args.size > 1
@altitude = args[2] if args.size > 2
@note = args[3] if args.size > 3
end
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#initialize_from_string(yaml_value_string) ⇒ Object
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# File 'lib/gooby_point.rb', line 49
def initialize_from_string(yaml_value_string)
tokens = yaml_value_string.split
if (tokens.size > 2)
@latitude = tokens[0]
@longitude = tokens[1]
@note = ''
count = 0
tokens.each { |tok|
count = count + 1
if (count > 2)
@note << tok
@note << ' '
end
}
end
end
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#latitude_as_float ⇒ Object
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# File 'lib/gooby_point.rb', line 92
def latitude_as_float
@latitude ? @latitude.to_f : invalid_latitude
end
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#longitude_as_float ⇒ Object
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# File 'lib/gooby_point.rb', line 96
def longitude_as_float
@longitude ? @longitude.to_f : invalid_longitude
end
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#metric_system ⇒ Object
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# File 'lib/gooby_point.rb', line 38
def metric_system
return false if !english_system
end
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#proximity(another_point, uom) ⇒ Object
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# File 'lib/gooby_point.rb', line 124
def proximity(another_point, uom)
if (another_point)
arg1 = latitude_as_float
arg2 = another_point.latitude_as_float
arg3 = latitude_as_float
arg4 = another_point.latitude_as_float
theta = longitude_as_float - another_point.longitude_as_float
res1 = Math.sin(deg2rad(arg1))
res2 = Math.sin(deg2rad(arg2))
res3 = Math.cos(deg2rad(arg3))
res4 = Math.cos(deg2rad(arg4))
res5 = Math.cos(deg2rad(theta.to_f))
dist = ((res1 * res2) + (res3 * res4 * res5)).to_f
if (!dist.nan?)
dist = Math.acos(dist.to_f)
if (!dist.nan?)
dist = rad2deg(dist)
if (!dist.nan?)
dist = dist * 60 * 1.1515;
if (!dist.nan?)
if uom == "km"
dist = dist * 1.609344;
end
if uom == "n"
dist = dist * 0.8684;
end
end
end
end
return dist.to_f
else
return 0
end
else
return 0
end
end
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#rad2deg(radians) ⇒ Object
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# File 'lib/gooby_point.rb', line 167
def rad2deg(radians)
(((0 + radians) * 180) / Math::PI)
end
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#to_csv ⇒ Object
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# File 'lib/gooby_point.rb', line 88
def to_csv
return "#{@latitude}#{csv_delim}#{@longitude}#{csv_delim}#{@altitude}"
end
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# File 'lib/gooby_point.rb', line 80
def to_formatted_string
s = "lat: #{@latitude.to_s.ljust(20)}"
s << " lng: #{@longitude.to_s.ljust(20)}"
s << " poi.#{@number.to_s.ljust(12)}" if @number
s << " #{@note}" if @note
s
end
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#to_s ⇒ Object
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# File 'lib/gooby_point.rb', line 76
def to_s
return "lat: #{@latitude} lng: #{@longitude} alt: #{@altitude} note: #{@note}"
end
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