CompositeStretch¶
-
class
astropy.visualization.
CompositeStretch
(transform_1, transform_2)[source]¶ Bases:
astropy.visualization.CompositeTransform
,astropy.visualization.BaseStretch
A combination of two stretches.
- Parameters
- stretch_1
astropy.visualization.BaseStretch
The first stretch to apply.
- stretch_2
astropy.visualization.BaseStretch
The second stretch to apply.
- stretch_1
Methods Summary
__call__
(self, values[, clip, out])Transform values using this stretch.
Methods Documentation
-
__call__
(self, values, clip=True, out=None)[source]¶ Transform values using this stretch.
- Parameters
- valuesarray_like
The input values, which should already be normalized to the [0:1] range.
- clipbool, optional
If
True
(default), values outside the [0:1] range are clipped to the [0:1] range.- out
ndarray
, optional If specified, the output values will be placed in this array (typically used for in-place calculations).
- Returns
- result
ndarray
The transformed values.
- result