angtof
(angtof string [mode])
The angtof function converts a string interpreted as an angle based upon a given string-format for a unit mode to a floating-point number value.
The value of mode is interpreted as follows:
Mode |
String Format |
-1 |
The current value of the AUNITS variable is used |
0 |
Degrees |
1 |
Degrees/minutes/seconds |
2 |
Grads |
3 |
Radians |
4 |
Surveyor's units |
Return Value
The function returns the result in radians.
If the argument mode is omitted, the function uses the current value of the system variable AUNITS (Angular Units).
If angtof does not succeed, it returns nil.
: (angtof "31" 0)
0.5411