NGWS SDK Documentation  

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Math.Atan

Returns the arc tangent (in radians) of a specified number. The arc tangent is the angle whose tangent is the specified number.

[Visual Basic]
Public Shared Function Atan( _
   ByVal d As Double _
) As Double
[C#]
public static double Atan(
   double d
);
[C++]
public: static double Atan(
   double d
);
[JScript]
public static function Atan(
   d : double
) : double;

Parameters

d
A number representing a tangent.

Return Value

Returns an angle q, measured in radians, such that-/2 < q < /2.

Remarks

A positive result represents a counterclockwise angle from the x-axis; a negative result represents a clockwise angle. To convert the result from radians to degrees, multiply it by 180/.

See Also

Math Class | Math Members | System Namespace