lsst.meas.deblender.baseline.CachingPsf Class Reference

In the PSF fitting code, we request PSF models for all peaks near the one being fit. More...

Inheritance diagram for lsst.meas.deblender.baseline.CachingPsf:

Public Member Functions
def	__init__
def	computeImage

Public Attributes
	cache
	psf

Detailed Description

In the PSF fitting code, we request PSF models for all peaks near the one being fit.

This was turning out to be quite expensive in some cases. Here, we cache the PSF models to bring the cost down closer to O(N) rather than O(N^2).

Definition at line 516 of file baseline.py.

Constructor & Destructor Documentation

def lsst.meas.deblender.baseline.CachingPsf.__init__	(		self,
			psf
	)

Definition at line 523 of file baseline.py.

    def __init__(self, psf):
        self.cache = {}