radialWCS

simsit.wcs.radialWCS(th, dthdr, world_origin, rot_sky_pos=coord.Angle(0.0, coord.radians), n_control=10, sip_order=3, verbose=False)

Make a WCS from a radial distortion model.

Parameters

tharray-like

Field angles in degrees.

dthdrarray-like

Radial plate scale in arcsec per pixel.

world_origingalsim.CelestialCoord

Origin of RA and Dec.

rot_sky_posgalsim.Angle, optional

Rotation angle on the sky.

n_controlint, optional

Number of control points to use.

sip_orderint, optional

Order of the SIP part of the fitted WCS.

verbosebool, optional

If True, print residual statistics for the fitted WCS.

Returns

galsim.GSFitsWCS

Fitted WCS object.