lsst.meas.base.noiseReplacer.VariancePlaneNoiseGenerator Class Reference

Generates Gaussian noise whose variance matches that of the variance plane of the image. More...

Inheritance diagram for lsst.meas.base.noiseReplacer.VariancePlaneNoiseGenerator:

Public Member Functions
def	__init__
def	__str__
def	getImage
Public Member Functions inherited from lsst.meas.base.noiseReplacer.GaussianNoiseGenerator
def	__init__
def	getRandomImage
Public Member Functions inherited from lsst.meas.base.noiseReplacer.NoiseGenerator
def	getHeavyFootprint
def	getMaskedImage
def	getImage

Public Attributes
	var
	mean
Public Attributes inherited from lsst.meas.base.noiseReplacer.GaussianNoiseGenerator
	rand

Detailed Description

Generates Gaussian noise whose variance matches that of the variance plane of the image.

Definition at line 411 of file noiseReplacer.py.

Constructor & Destructor Documentation

def lsst.meas.base.noiseReplacer.VariancePlaneNoiseGenerator.__init__	(		self,
			var,
			mean = None,
			rand = None
	)

var: an afwImage.ImageF; the variance plane.
mean: floating-point or afwImage.Image

Definition at line 416 of file noiseReplacer.py.

    def __init__(self, var, mean=None, rand=None):
        """
        var: an afwImage.ImageF; the variance plane.
        mean: floating-point or afwImage.Image
        """
        super(VariancePlaneNoiseGenerator, self).__init__(rand=rand)
        self.var = var
        if mean is not None and mean == 0.:
            mean = None
        self.mean = mean