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atan2	External		Arc-tangent function (two variables) Calculates the arc-tangent of the input
atan2~	External		Arc-tangent function arctan(y/x) for signals
v.atan2	External		v.atan2 calculates the angle (in radians) of the vector represented by paired pixels from the two input streams (output as grays float32) v.atan2 calculates the angle (in radians) of the vector represented by paired pixels from the two input streams (output as grays float32) This is quite an accurate calculation and it not as fast as most simple math softVNS 2 processes.
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