lsst.ip.isr.linearize.LinearizeSquared Class Reference

Inheritance diagram for lsst.ip.isr.linearize.LinearizeSquared:

Public Member Functions
def	__call__ (self, image, kwargs)

Static Public Attributes
string	LinearityType = "Squared"

Detailed Description

Correct non-linearity with a squared model.

corrImage = uncorrImage + c0*uncorrImage^2

where c0 is linearity coefficient 0 for each amplifier.

Definition at line 448 of file linearize.py.

Member Function Documentation

__call__()

def lsst.ip.isr.linearize.LinearizeSquared.__call__	(		self,
			image,
			kwargs
	)

Correct for non-linearity.

Parameters
----------
image : `lsst.afw.image.Image`
    Image to be corrected
kwargs : `dict`
    Dictionary of parameter keywords:
    ``"coeffs"``
Coefficient vector (`list` or `numpy.array`).
    ``"log"``
Logger to handle messages (`lsst.log.Log`).

Returns
-------
output : `bool`
    If true, a correction was applied successfully.

Definition at line 457 of file linearize.py.

Member Data Documentation

LinearityType

string lsst.ip.isr.linearize.LinearizeSquared.LinearityType = "Squared"

static

Definition at line 455 of file linearize.py.

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The documentation for this class was generated from the following file:

• python/lsst/ip/isr/linearize.py