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# This file is part of ip_isr. 

# 

# Developed for the LSST Data Management System. 

# This product includes software developed by the LSST Project 

# (https://www.lsst.org). 

# See the COPYRIGHT file at the top-level directory of this distribution 

# for details of code ownership. 

# 

# 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 GNU General Public License 

# along with this program. If not, see <https://www.gnu.org/licenses/>. 

 

import unittest 

 

import numpy as np 

 

import lsst.utils.tests 

import lsst.geom 

import lsst.afw.image as afwImage 

import lsst.meas.algorithms as measAlg 

import lsst.ip.isr as ipIsr 

 

display = False # set to True to display images 

33 ↛ 34line 33 didn't jump to line 34, because the condition on line 33 was never trueif display: 

import lsst.afw.display as afwDisplay 

afwDisplay.setDefaultMaskTransparency(75) 

 

 

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

 

def setUp(self): 

self.setVal = 10. 

 

def tearDown(self): 

del self.setVal 

 

def testDefectBase(self): 

"""Test DefectBases""" 

 

defectList = measAlg.Defects() 

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 = lsst.geom.Box2I(lsst.geom.Point2I(x0, y0), lsst.geom.Point2I(x1, y1)) 

defectList.append(bbox) 

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

bad.set(100) 

 

defectList.maskPixels(ccdImage, 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()) 

 

if display: 

disp = afwDisplay.Display() 

disp.mtv(ccdImage.getImage(), title=self._testMethodName + ": Defects") 

for d in defectList: 

afwDisplay.utils.drawBBox(d.getBBox(), ctype=afwDisplay.CYAN, borderWidth=.5) 

disp.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) 

 

if display: 

disp = afwDisplay.Display() 

disp.mtv(ccdImage.getImage(), title=self._testMethodName + ": Defects Interpolated") 

for d in defectList: 

afwDisplay.utils.drawBBox(d.getBBox(), ctype=afwDisplay.CYAN, borderWidth=.5) 

disp.incrDefaultFrame() 

 

def testDefectsFromMaskedImage(self): 

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

mim = afwImage.MaskedImageF(10, 10) 

 

# Nothing masked -> no defects. 

defectList = measAlg.Defects.fromMask(mim, "BAD") 

self.assertEqual(len(defectList), 0) 

 

# Mask a single pixel. 

mask = mim.getMask() 

mask[5, 5, afwImage.LOCAL] = mask.getPlaneBitMask("BAD") 

defectList = measAlg.Defects.fromMask(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[1, 1, afwImage.LOCAL] = mask.getPlaneBitMask("SUSPECT") 

defectList = measAlg.Defects.fromMask(mim, "SUSPECT") 

self.assertEqual(len(defectList), 1) 

 

# But adding another BAD pixel does. 

mask[9, 9, afwImage.LOCAL] = mask.getPlaneBitMask("BAD") 

defectList = measAlg.Defects.fromMask(mim, "BAD") 

self.assertEqual(len(defectList), 2) 

 

 

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

pass 

 

 

def setup_module(module): 

lsst.utils.tests.init() 

 

 

129 ↛ 130line 129 didn't jump to line 130, because the condition on line 129 was never trueif __name__ == "__main__": 

lsst.utils.tests.init() 

unittest.main()