Angle.Degree (angle v1.0.1)
Functions relating to dealing with angles in real Degrees.
Link to this section Summary
Functions
Convert the angle to it's absolute value by discarding complete revolutions and converting negatives.
Ensure that a degree representation is present for this angle, otherwise calculate one.
Initialize an Angle from a number n of degrees
Attempt to parse decimal degrees.
Return the degrees representation of the Angle.
Link to this section Functions
Link to this function
abs(angle)
Convert the angle to it's absolute value by discarding complete revolutions and converting negatives.
Examples
iex> ~a(-270)d
...> |> Angle.Degree.abs()
#Angle<90°>
iex> ~a(1170)d
...> |> Angle.Degree.abs()
#Angle<90°>
Link to this function
ensure(angle)
Ensure that a degree representation is present for this angle, otherwise calculate one.
Examples
iex> ~a(0.5)r
...> |> ensure()
...> |> Map.get(:d)
28.64788975654116
iex> ~a(76.3944)g
...> |> ensure()
...> |> Map.get(:d)
68.75496000000001
iex> ~a(77 50 56)dms
...> |> ensure()
...> |> Map.get(:d)
77.84888888888888
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init(n)
Initialize an Angle from a number n of degrees
Examples
iex> init(13)
#Angle<13°>
iex> init(13.2)
#Angle<13.2°>
iex> init(0)
#Angle<0>
iex> init(0.0)
#Angle<0>
Link to this function
parse(value)
Attempt to parse decimal degrees.
Examples
iex> "13" |> parse() |> inspect()
"{:ok, #Angle<13°>}"
iex> "13.2" |> parse() |> inspect()
"{:ok, #Angle<13.2°>}"
iex> "13°" |> parse() |> inspect()
"{:ok, #Angle<13°>}"
iex> "13.2°" |> parse() |> inspect()
"{:ok, #Angle<13.2°>}"
iex> "-13.2°" |> parse() |> inspect()
"{:ok, #Angle<-13.2°>}"
Link to this function
to_degrees(angle)
Return the degrees representation of the Angle.
Examples
iex> ~a(0.5)r
...> |> to_degrees()
...> |> inspect()
"{#Angle<28.64788975654116°>, 28.64788975654116}"