Module: Geo3d::Utils

Defined in:
lib/geo3d/utils.rb

Class Method Summary collapse

Class Method Details

.float_cmp(a, b, tolerance = 0.01) ⇒ Object 



3
4
5
 
# File 'lib/geo3d/utils.rb', line 3

def self.float_cmp a, b, tolerance = 0.01
  (a-b).abs < tolerance
end

.normalize_angle(radians) ⇒ Object 



15
16
17
18
19
20
21
22
23
24
25
26
 
# File 'lib/geo3d/utils.rb', line 15

def self.normalize_angle radians
  if radians.abs > Math::PI * 2.0
    absolute = radians.abs % (Math::PI * 2.0 )
    if radians < 0
      -absolute
    else
      absolute
    end
  else
    radians
  end
end

.to_degrees(radians) ⇒ Object 



7
8
9
 
# File 'lib/geo3d/utils.rb', line 7

def self.to_degrees radians
  radians * 180.0 / Math::PI
end

.to_radians(degrees) ⇒ Object 



11
12
13
 
# File 'lib/geo3d/utils.rb', line 11

def self.to_radians degrees
  degrees * Math::PI / 180.0
end