avoidhexsingularity

jwst.ami.utils.avoidhexsingularity(rotation)

Avoid rotation of exact multiples of 15 degrees to avoid NaNs in hextransformee().

Parameters:

rotationfloat or int

Rotation in degrees

Returns:

rotation_adjustedfloat

Replacement value for rotation with epsilon = 1.0e-12 degrees added. Precondition before using rotationdegrees in Affine2d for hex geometries