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# 

# LSST Data Management System 

# Copyright 2008, 2009, 2010 LSST Corporation. 

# 

# This product includes software developed by the 

# LSST Project (http://www.lsst.org/). 

# 

# This program is free software: you can redistribute it and/or modify 

# it under the terms of the GNU General Public License as published by 

# the Free Software Foundation, either version 3 of the License, or 

# (at your option) any later version. 

# 

# This program is distributed in the hope that it will be useful, 

# but WITHOUT ANY WARRANTY; without even the implied warranty of 

# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

# GNU General Public License for more details. 

# 

# You should have received a copy of the LSST License Statement and 

# the GNU General Public License along with this program. If not, 

# see <http://www.lsstcorp.org/LegalNotices/>. 

# 

 

import unittest 

 

import numpy as np 

 

import lsst.utils.tests 

import lsst.afw.image as afwImage 

import lsst.meas.algorithms as measAlg 

import lsst.afw.geom as afwGeom 

import lsst.afw.display.ds9 as ds9 

import lsst.afw.display.utils as displayUtils 

import lsst.ip.isr as ipIsr 

 

# set to True to display images in ds9 

display = False 

 

 

class DefectTestCases(lsst.utils.tests.TestCase): 

 

def setUp(self): 

self.setVal = 10. 

 

def tearDown(self): 

del self.setVal 

 

def testDefectBase(self): 

"""Test DefectBases""" 

 

defectList = [] 

ccdImage = afwImage.MaskedImageF(250, 225) 

ccdImage.set(self.setVal, 0, self.setVal) 

# 

# Insert some defects into the Ccd 

# 

for x0, y0, x1, y1 in [ 

(34, 0, 35, 80), 

(34, 81, 34, 100), 

(180, 100, 182, 130), 

]: 

bbox = afwGeom.Box2I(afwGeom.Point2I(x0, y0), afwGeom.Point2I(x1, y1)) 

defectList.append(measAlg.Defect(bbox)) 

bad = ccdImage.Factory(ccdImage, bbox, afwImage.LOCAL) 

bad.set(100) 

 

ipIsr.maskPixelsFromDefectList(ccdImage, defectList, maskName='BAD') 

mask = ccdImage.getMask() 

bitMask = mask.getPlaneBitMask('BAD') 

for d in defectList: 

bad = mask.Factory(mask, d.getBBox(), afwImage.LOCAL) 

self.assertTrue((bad.getArray() & bitMask == bitMask).all()) 

 

73 ↛ 74line 73 didn't jump to line 74, because the condition on line 73 was never true if display: 

ds9.mtv(ccdImage.getImage(), title="Defects") 

for d in defectList: 

displayUtils.drawBBox(d.getBBox(), ctype=ds9.CYAN, borderWidth=.5) 

ds9.incrDefaultFrame() 

 

ipIsr.interpolateDefectList(ccdImage, defectList, 2.) 

im = ccdImage.getImage() 

for d in defectList: 

intrp = im.Factory(im, d.getBBox()) 

expect = np.empty_like(intrp.getArray()) 

expect[:] = self.setVal 

self.assertImagesEqual(intrp, expect) 

 

87 ↛ 88line 87 didn't jump to line 88, because the condition on line 87 was never true if display: 

ds9.mtv(ccdImage.getImage(), title="Defects Interpolated") 

for d in defectList: 

displayUtils.drawBBox(d.getBBox(), ctype=ds9.CYAN, borderWidth=.5) 

ds9.incrDefaultFrame() 

 

def testDefectsFromMaskedImage(self): 

"""Test creation of a DefectList from a MaskedImage.""" 

mim = afwImage.MaskedImageF(10, 10) 

 

# Nothing masked -> no defects. 

defectList = ipIsr.getDefectListFromMask(mim, "BAD") 

self.assertEqual(len(defectList), 0) 

 

# Mask a single pixel. 

mask = mim.getMask() 

mask.set(5, 5, mask.getPlaneBitMask("BAD")) 

defectList = ipIsr.getDefectListFromMask(mim, "BAD") 

self.assertEqual(len(defectList), 1) 

self.assertEqual(defectList[0].getX0(), 5) 

self.assertEqual(defectList[0].getY0(), 5) 

 

# Setting a different plane does not register as a defect. 

mask.set(1, 1, mask.getPlaneBitMask("SUSPECT")) 

defectList = ipIsr.getDefectListFromMask(mim, "SUSPECT") 

self.assertEqual(len(defectList), 1) 

 

# But adding another BAD pixel does. 

mask.set(9, 9, mask.getPlaneBitMask("BAD")) 

defectList = ipIsr.getDefectListFromMask(mim, "BAD") 

self.assertEqual(len(defectList), 2) 

 

 

class MemoryTester(lsst.utils.tests.MemoryTestCase): 

pass 

 

 

def setup_module(module): 

lsst.utils.tests.init() 

 

 

128 ↛ 129line 128 didn't jump to line 129, because the condition on line 128 was never trueif __name__ == "__main__": 

lsst.utils.tests.init() 

unittest.main()