class craftutils.observation.image.LinearStretch(astropy.visualization.stretch.BaseStretch)

A linear stretch with a slope and offset.

The stretch is given by:

\[y = slope x + intercept\]

Parameters

slopefloat, optional

The slope parameter used in the above formula. Default is 1.

interceptfloat, optional

The intercept parameter used in the above formula. Default is 0.

Public members

LinearStretch(slope=1, intercept=0)

Initialize self. See help(type(self)) for accurate signature.

__call__(values, clip=True, out=None)

Transform values using this stretch.

Properties

property inverse

A stretch object that performs the inverse operation.