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.GaussianNoiseGenerator Class Reference
Inheritance diagram for lsst.meas.base.noiseReplacer.GaussianNoiseGenerator:
lsst.meas.base.noiseReplacer.NoiseGenerator lsst.meas.base.noiseReplacer.FixedGaussianNoiseGenerator lsst.meas.base.noiseReplacer.VariancePlaneNoiseGenerator

Public Member Functions

def __init__ (self, rand=None)
 
def getRandomImage (self, bb)
 
def getHeavyFootprint (self, fp)
 
def getMaskedImage (self, bb)
 
def getImage (self, bb)
 

Public Attributes

 rand
 

Detailed Description

Abstract base for Gaussian noise generators.

Definition at line 447 of file noiseReplacer.py.

Constructor & Destructor Documentation

◆ __init__()

def lsst.meas.base.noiseReplacer.GaussianNoiseGenerator.__init__ (   self,
  rand = None 
)

Definition at line 451 of file noiseReplacer.py.

451  def __init__(self, rand=None):
452  if rand is None:
453  rand = afwMath.Random()
454  self.rand = rand
455 
A class that can be used to generate sequences of random numbers according to a number of different a...
Definition: Random.h:57

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.NoiseGenerator.getMaskedImage (   self,
  bb 
)
inherited

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

Definition at line 421 of file noiseReplacer.py.

421  def getMaskedImage(self, bb):
422  im = self.getImage(bb)
423  return afwImage.MaskedImageF(im)
424 

◆ getRandomImage()

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

Definition at line 456 of file noiseReplacer.py.

456  def getRandomImage(self, bb):
457  # Create an Image and fill it with Gaussian noise.
458  rim = afwImage.ImageF(bb.getWidth(), bb.getHeight())
459  rim.setXY0(bb.getMinX(), bb.getMinY())
460  afwMath.randomGaussianImage(rim, self.rand)
461  return rim
462 
463 
void randomGaussianImage(ImageT *image, Random &rand)
Set image to random numbers with a gaussian N(0, 1) distribution.
Definition: RandomImage.cc:130

Member Data Documentation

◆ rand

lsst.meas.base.noiseReplacer.GaussianNoiseGenerator.rand

Definition at line 454 of file noiseReplacer.py.


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