LSST Applications  21.0.0-147-g0e635eb1+1acddb5be5,22.0.0+052faf71bd,22.0.0+1ea9a8b2b2,22.0.0+6312710a6c,22.0.0+729191ecac,22.0.0+7589c3a021,22.0.0+9f079a9461,22.0.1-1-g7d6de66+b8044ec9de,22.0.1-1-g87000a6+536b1ee016,22.0.1-1-g8e32f31+6312710a6c,22.0.1-10-gd060f87+016f7cdc03,22.0.1-12-g9c3108e+df145f6f68,22.0.1-16-g314fa6d+c825727ab8,22.0.1-19-g93a5c75+d23f2fb6d8,22.0.1-19-gb93eaa13+aab3ef7709,22.0.1-2-g8ef0a89+b8044ec9de,22.0.1-2-g92698f7+9f079a9461,22.0.1-2-ga9b0f51+052faf71bd,22.0.1-2-gac51dbf+052faf71bd,22.0.1-2-gb66926d+6312710a6c,22.0.1-2-gcb770ba+09e3807989,22.0.1-20-g32debb5+b8044ec9de,22.0.1-23-gc2439a9a+fb0756638e,22.0.1-3-g496fd5d+09117f784f,22.0.1-3-g59f966b+1e6ba2c031,22.0.1-3-g849a1b8+f8b568069f,22.0.1-3-gaaec9c0+c5c846a8b1,22.0.1-32-g5ddfab5d3+60ce4897b0,22.0.1-4-g037fbe1+64e601228d,22.0.1-4-g8623105+b8044ec9de,22.0.1-5-g096abc9+d18c45d440,22.0.1-5-g15c806e+57f5c03693,22.0.1-7-gba73697+57f5c03693,master-g6e05de7fdc+c1283a92b8,master-g72cdda8301+729191ecac,w.2021.39
LSST Data Management Base Package
Public Member Functions | Public Attributes | List of all members
lsst.meas.base.noiseReplacer.ImageNoiseGenerator Class Reference
Inheritance diagram for lsst.meas.base.noiseReplacer.ImageNoiseGenerator:
lsst.meas.base.noiseReplacer.NoiseGenerator

Public Member Functions

def __init__ (self, img)
 
def getMaskedImage (self, bb)
 
def getHeavyFootprint (self, fp)
 
def getImage (self, bb)
 

Public Attributes

 mim
 
 mean
 
 std
 

Detailed Description

Generate noise by extracting a sub-image from a user-supplied image.

Parameters
----------
img : `lsst.afw.image.ImageF`
    An image to use as the basis of noise generation.

Definition at line 429 of file noiseReplacer.py.

Constructor & Destructor Documentation

◆ __init__()

def lsst.meas.base.noiseReplacer.ImageNoiseGenerator.__init__ (   self,
  img 
)

Definition at line 438 of file noiseReplacer.py.

438  def __init__(self, img):
439  self.mim = afwImage.MaskedImageF(img)
440  self.mean = afwMath.makeStatistics(img, afwMath.MEAN)
441  self.std = afwMath.makeStatistics(img, afwMath.STDEV)
442 
Statistics makeStatistics(lsst::afw::image::Image< Pixel > const &img, lsst::afw::image::Mask< image::MaskPixel > const &msk, int const flags, StatisticsControl const &sctrl=StatisticsControl())
Handle a watered-down front-end to the constructor (no variance)
Definition: Statistics.h:359

Member Function Documentation

◆ getHeavyFootprint()

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

Definition at line 416 of file noiseReplacer.py.

416  def getHeavyFootprint(self, fp):
417  bb = fp.getBBox()
418  mim = self.getMaskedImage(bb)
419  return afwDet.makeHeavyFootprint(fp, mim)
420 
HeavyFootprint< ImagePixelT, MaskPixelT, VariancePixelT > makeHeavyFootprint(Footprint const &foot, lsst::afw::image::MaskedImage< ImagePixelT, MaskPixelT, VariancePixelT > const &img, HeavyFootprintCtrl const *ctrl=nullptr)
Create a HeavyFootprint with footprint defined by the given Footprint and pixel values from the given...

◆ getImage()

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

Reimplemented in lsst.meas.base.noiseReplacer.VariancePlaneNoiseGenerator, and lsst.meas.base.noiseReplacer.FixedGaussianNoiseGenerator.

Definition at line 425 of file noiseReplacer.py.

425  def getImage(self, bb):
426  return None
427 
428 

◆ getMaskedImage()

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

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

Definition at line 443 of file noiseReplacer.py.

443  def getMaskedImage(self, bb):
444  return self.mim
445 
446 

Member Data Documentation

◆ mean

lsst.meas.base.noiseReplacer.ImageNoiseGenerator.mean

Definition at line 440 of file noiseReplacer.py.

◆ mim

lsst.meas.base.noiseReplacer.ImageNoiseGenerator.mim

Definition at line 439 of file noiseReplacer.py.

◆ std

lsst.meas.base.noiseReplacer.ImageNoiseGenerator.std

Definition at line 441 of file noiseReplacer.py.


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