lsst.meas.base.noiseReplacer.FixedGaussianNoiseGenerator Class Reference

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

Public Member Functions
def	__init__ (self, mean, std, rand=None)
def	__str__ (self)
def	getImage (self, bb)
def	getRandomImage (self, bb)
def	getHeavyFootprint (self, fp)
def	getMaskedImage (self, bb)

Public Attributes
	mean
	std
	rand

Detailed Description

Generates Gaussian noise with a fixed mean and standard deviation.

Definition at line 464 of file noiseReplacer.py.

Constructor & Destructor Documentation

__init__()

def lsst.meas.base.noiseReplacer.FixedGaussianNoiseGenerator.__init__	(		self,
			mean,
			std,
			rand = None
	)

Definition at line 468 of file noiseReplacer.py.

    def __init__(self, mean, std, rand=None):
        super(FixedGaussianNoiseGenerator, self).__init__(rand=rand)
        self.mean = mean
        self.std = std
 

Member Function Documentation

__str__()

def lsst.meas.base.noiseReplacer.FixedGaussianNoiseGenerator.__str__

(

self

)

Definition at line 473 of file noiseReplacer.py.

    def __str__(self):
        return 'FixedGaussianNoiseGenerator: mean=%g, std=%g' % (self.mean, self.std)
 

getHeavyFootprint()

def lsst.meas.base.noiseReplacer.NoiseGenerator.getHeavyFootprint (   self,   fp  )

inherited

Definition at line 416 of file noiseReplacer.py.

    def getHeavyFootprint(self, fp):
        bb = fp.getBBox()
        mim = self.getMaskedImage(bb)
        return afwDet.makeHeavyFootprint(fp, mim)
 

getImage()

def lsst.meas.base.noiseReplacer.FixedGaussianNoiseGenerator.getImage	(		self,
			bb
	)

Reimplemented from lsst.meas.base.noiseReplacer.NoiseGenerator.

Definition at line 476 of file noiseReplacer.py.

    def getImage(self, bb):
        rim = self.getRandomImage(bb)
        rim *= self.std
        rim += self.mean
        return rim
 
 

getMaskedImage()

def lsst.meas.base.noiseReplacer.NoiseGenerator.getMaskedImage (   self,   bb  )

inherited

Reimplemented in lsst.meas.base.noiseReplacer.ImageNoiseGenerator.

Definition at line 421 of file noiseReplacer.py.

    def getMaskedImage(self, bb):
        im = self.getImage(bb)
        return afwImage.MaskedImageF(im)
 

getRandomImage()

def lsst.meas.base.noiseReplacer.GaussianNoiseGenerator.getRandomImage (   self,   bb  )

inherited

Definition at line 456 of file noiseReplacer.py.

    def getRandomImage(self, bb):
        # Create an Image and fill it with Gaussian noise.
        rim = afwImage.ImageF(bb.getWidth(), bb.getHeight())
        rim.setXY0(bb.getMinX(), bb.getMinY())
        afwMath.randomGaussianImage(rim, self.rand)
        return rim
 
 

Member Data Documentation

mean

lsst.meas.base.noiseReplacer.FixedGaussianNoiseGenerator.mean

Definition at line 470 of file noiseReplacer.py.

rand

lsst.meas.base.noiseReplacer.GaussianNoiseGenerator.rand

inherited

Definition at line 454 of file noiseReplacer.py.

std

lsst.meas.base.noiseReplacer.FixedGaussianNoiseGenerator.std

Definition at line 471 of file noiseReplacer.py.

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

• /j/snowflake/release/lsstsw/stack/0.4.3/Linux64/meas_base/21.0.0-7-g04766d7+cd19d05db2/python/lsst/meas/base/noiseReplacer.py