ZernikeAnnularEval¶
- lsst.ts.wep.utils.ZernikeAnnularEval(z, x, y, e)¶
Calculate the wavefront surface in the basis of annular Zernike polynomial.
- Parameters:
- znumpy.ndarray
Coefficient of annular Zernike polynomials.
- xnumpy.ndarray
X coordinate on pupil plane.
- ynumpy.ndarray
Y coordinate on pupil plane.
- efloat
Obscuration value. It is 0.61 in LSST.
- Returns:
- numpy.ndarray
Wavefront surface.