assert_psfs_equal

lsst.images.tests.assert_psfs_equal(tc: TestCase, psf1: PointSpreadFunction, psf2: PointSpreadFunction, points: YX[ndarray] | XY[ndarray] | None = None) → int

Compare two PSF objets.

Parameters

tc

Test case object with assert methods to use.

psf1

Point-spread function to test.

psf2

The other point-spread function to test.

points

Points to evaluate the PSFs at. If not provided, the intersection of the PSF bounding boxes are used to generate points on a grid.

Returns

int

The number of points actually tested.