Class: RCAP::Base::Point

Inherits:

Object

• Object
• RCAP::Base::Point

show all

Includes:

Validation

Defined in:

lib/rcap/base/point.rb

Constant Summary

MAX_LONGITUDE =

180

MIN_LONGITUDE =

-180

MAX_LATTITUDE =

90

MIN_LATTITUDE =

-90

LATTITUDE_KEY =

'lattitude'

LONGITUDE_KEY =

'longitude'

LATTITUDE_INDEX =

0

LONGITUDE_INDEX =

1

Instance Attribute Summary (collapse)

• - (Numeric) lattitude
• - (Numeric) longitude

Class Method Summary (collapse)

• + (Point) from_a(point_array)
• + (Point) from_h(point_hash)

Instance Method Summary (collapse)

• - (true, false) ==(other)

  Two points are equivalent if they have the same lattitude and longitude.

• - (Point) initialize {|_self| ... } constructor

  A new instance of Point.

• - (String) inspect
• - (Array(Numeric, Numeric)) to_a
• - (Hash) to_h
• - (String) to_s

  Returns a string representation of the point of the form.

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# File 'lib/rcap/base/point.rb', line 23

def initialize
  yield( self ) if block_given?
end

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# File 'lib/rcap/base/point.rb', line 12

def lattitude
  @lattitude
end

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# File 'lib/rcap/base/point.rb', line 14

def longitude
  @longitude
end

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# File 'lib/rcap/base/point.rb', line 79

def self.from_a( point_array )
  self.new do |point|
    point.lattitude = point_array[ LATTITUDE_INDEX ].to_f
    point.longitude = point_array[ LONGITUDE_INDEX ].to_f
  end
end

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# File 'lib/rcap/base/point.rb', line 59

def self.from_h( point_hash )
  self.new do |point|
    point.lattitude = point_hash[ LATTITUDE_KEY ].to_f
    point.longitude = point_hash[ LONGITUDE_KEY ].to_f
  end
end

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# File 'lib/rcap/base/point.rb', line 44

def ==( other )
  [ self.lattitude, self.longitude ] == [ other.lattitude, other.longitude ]
end

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# File 'lib/rcap/base/point.rb', line 36

def inspect
  '('+self.to_s+')'
end

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# File 'lib/rcap/base/point.rb', line 70

def to_a
  Array.new.tap do |array|
    array[ LATTITUDE_INDEX ] = self.lattitude
    array[ LONGITUDE_INDEX ] = self.longitude
  end
end

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# File 'lib/rcap/base/point.rb', line 52

def to_h
  RCAP.attribute_values_to_hash( [ LATTITUDE_KEY, self.lattitude ],
                                 [ LONGITUDE_KEY, self.longitude ])
end

lattitude,longitude

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# File 'lib/rcap/base/point.rb', line 31

def to_s
  "#{ self.lattitude },#{ self.longitude }"
end