Class: Orbit::GeocentricCoordinates

Inherits:
Object
  • Object
show all
Defined in:
lib/orbit/geocentric_coordinates.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(lat = nil, lon = nil, alt = 0) ⇒ GeocentricCoordinates

Returns a new instance of GeocentricCoordinates.



7
8
9
10
11
 
# File 'lib/orbit/geocentric_coordinates.rb', line 7

def initialize( lat = nil, lon = nil, alt = 0 )
  @latitude_rad  = lat
  @longitude_rad = lon
  @altitude      = alt
end

Instance Attribute Details

#altitude ⇒ Object

Returns the value of attribute altitude.



5
6
7
 
# File 'lib/orbit/geocentric_coordinates.rb', line 5

def altitude
  @altitude
end

#latitude_rad ⇒ Object

Returns the value of attribute latitude_rad.



3
4
5
 
# File 'lib/orbit/geocentric_coordinates.rb', line 3

def latitude_rad
  @latitude_rad
end

#longitude_rad ⇒ Object

Returns the value of attribute longitude_rad.



4
5
6
 
# File 'lib/orbit/geocentric_coordinates.rb', line 4

def longitude_rad
  @longitude_rad
end

Instance Method Details

#latitude ⇒ Object 



13
14
15
 
# File 'lib/orbit/geocentric_coordinates.rb', line 13

def latitude
  OrbitGlobals.rad_to_deg( @latitude_rad )
end

#longitude ⇒ Object 



17
18
19
20
21
22
23
24
25
26
 
# File 'lib/orbit/geocentric_coordinates.rb', line 17

def longitude
  l = OrbitGlobals.rad_to_deg( @longitude_rad )

  if l > 180
    l = 360 - l
    l *= -1
  end

  l
end

#to_s ⇒ Object 



32
33
34
 
# File 'lib/orbit/geocentric_coordinates.rb', line 32

def to_s
  "Lat: #{latitude}, Lng: #{longitude}, Alt: #{altitude}"
end