ellipticity¶
- lsst.validate.drp.util.ellipticity(i_xx, i_xy, i_yy)¶
Calculate ellipticity from second moments.
- Parameters:
- i_xxfloat or
numpy.array - i_xyfloat or
numpy.array - i_yyfloat or
numpy.array
- i_xxfloat or
- Returns:
- e, e1, e2(float, float, float) or (numpy.array, numpy.array, numpy.array)
Complex ellipticity, real component, imaginary component