SqrtStretch¶
- class astropy.visualization.SqrtStretch[source] [edit on github]¶
Bases: astropy.visualization.BaseStretch
A square root stretch.
The stretch is given by:
Attributes Summary
inverse Methods Summary
__call__(values[, out, clip]) Transform values using this stretch. Attributes Documentation
- inverse¶
Methods Documentation
- __call__(values, out=None, clip=True)[source] [edit on github]¶
Transform values using this stretch.
Parameters: values : ndarray or list
The input values, which should already be normalized 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).
clip : bool, optional
If True (default), values outside the [0:1] range are clipped to the [0:1] range.
Returns: new_values : ndarray
The transformed values.