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LSST Data Management Base Package
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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

 __init__ (self, rand=None)
 
 getRandomImage (self, bb)
 

Public Attributes

 rand
 

Detailed Description

Abstract base for Gaussian noise generators.

Definition at line 456 of file noiseReplacer.py.

Constructor & Destructor Documentation

◆ __init__()

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

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

Definition at line 460 of file noiseReplacer.py.

460 def __init__(self, rand=None):
461 if rand is None:
462 rand = afwMath.Random()
463 self.rand = rand
464
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

◆ getRandomImage()

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

Definition at line 465 of file noiseReplacer.py.

465 def getRandomImage(self, bb):
466 # Create an Image and fill it with Gaussian noise.
467 rim = afwImage.ImageF(bb.getWidth(), bb.getHeight())
468 rim.setXY0(bb.getMinX(), bb.getMinY())
469 afwMath.randomGaussianImage(rim, self.rand)
470 return rim
471
472
void randomGaussianImage(ImageT *image, Random &rand)
Set image to random numbers with a gaussian N(0, 1) distribution.

Member Data Documentation

◆ rand

lsst.meas.base.noiseReplacer.GaussianNoiseGenerator.rand

Definition at line 463 of file noiseReplacer.py.


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