createGalsimZernike

lsst.ts.wep.utils.createGalsimZernike(zkCoeff: ndarray, obscuration: float = 0.612) → Zernike

Create a GalSim Zernike object with the given coefficients.

Parameters:

zkCoeffnp.ndarray

Zernike coefficients for Noll indices >= 4, in any units.

obscurationfloat, optional

The fractional obscuration. (the default is 0.612, corresponding to the Simonyi Survey Telescope.)

Returns:

galsim.zernike.Zernike

A GalSim Zernike object