Description Returns the number of even order aspheric coefficients for a specific aspheric surface.
Syntax num = GetAsphereEvenCount ( n )
Parameters num (Long) The number of even order coefficients.
n As Long Node number of the aspheric surface.
Remarks This function returns the number of aspheric even order coefficients for a given aspheric surface. If there are no even coefficients, or if the entity is not an asphere, the function returns a value of -1.
See Also Examples
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