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# 

# LSST Data Management System 

# Copyright 2012, 2015 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 math 

import os 

import warnings 

import unittest 

 

from lsst.daf.base import DateTime 

import lsst.afw.image as afwImage 

import lsst.utils.tests 

from lsst.utils import getPackageDir 

 

import lsst.pex.exceptions as pexExcept 

import lsst.daf.persistence as dafPersist 

from lsst.afw.image import RotType 

from lsst.afw.geom import degrees, radians, arcseconds, SpherePoint 

 

 

# Desired VisitInfo values for visit 229388, shared between test_getRaw.py and 

# test_getInstcal.py 

 

visit229388_info = { 

"dateAvg": DateTime("2013-09-01T06:06:00.876924000", DateTime.TAI), 

"exposureTime": 200.0, 

"darkTime": 201.15662, 

"era": 1.25232*radians, 

"boresightRaDec": SpherePoint(42.81995833, -0.00158305, degrees), 

"boresightAzAlt": SpherePoint(61.24, 90 - 50.46, degrees), 

"boresightAirmass": 1.57, 

"boresightRotAngle": float("nan")*degrees, 

"rotType": RotType.UNKNOWN, 

"obs_longitude": -70.81489000000001*degrees, 

"obs_latitude": -30.16606*degrees, 

"obs_elevation": 2215.0, 

"weath_airTemperature": 11.9, 

"weath_airPressure": 77900., 

"weath_humidity": 23.0} 

 

 

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

"""Testing butler raw image retrieval""" 

 

def setUp(self): 

try: 

datadir = getPackageDir("testdata_decam") 

except pexExcept.NotFoundError: 

message = "testdata_decam not setup. Skipping." 

warnings.warn(message) 

raise unittest.SkipTest(message) 

 

self.repoPath = os.path.join(datadir, "rawData") 

calibPath = os.path.join(datadir, "rawData/cpCalib") 

self.butler = dafPersist.Butler(root=self.repoPath, calibRoot=calibPath) 

self.size = (2160, 4146) 

self.dataId = {'visit': 229388, 'ccdnum': 1} 

self.filter = "z" 

 

def tearDown(self): 

del self.butler 

 

def testPackageName(self): 

name = dafPersist.Butler.getMapperClass(root=self.repoPath).packageName 

self.assertEqual(name, "obs_decam") 

 

def testRaw(self): 

"""Test retrieval of raw image""" 

exp = self.butler.get("raw", self.dataId) 

 

print("dataId: %s" % self.dataId) 

print("width: %s" % exp.getWidth()) 

print("height: %s" % exp.getHeight()) 

print("detector id: %s" % exp.getDetector().getId()) 

 

self.assertEqual(exp.getWidth(), self.size[0]) 

self.assertEqual(exp.getHeight(), self.size[1]) 

self.assertEqual(exp.getDetector().getId(), self.dataId["ccdnum"]) 

self.assertEqual(exp.getFilter().getFilterProperty().getName(), self.filter) 

self.assertTrue(exp.hasWcs()) 

 

# Metadata which should have been copied from zeroth extension. 

visitInfo = exp.getInfo().getVisitInfo() 

self.assertEqual(visitInfo.getDate(), visit229388_info['dateAvg']) 

self.assertEqual(visitInfo.getExposureTime(), visit229388_info['exposureTime']) 

self.assertEqual(visitInfo.getDarkTime(), visit229388_info['darkTime']) 

self.assertEqual(visitInfo.getExposureId(), int("%07d%02d" % (229388, 1))) 

self.assertAnglesAlmostEqual(visitInfo.getEra(), visit229388_info['era'], 

maxDiff=0.0001*radians) 

self.assertSpherePointsAlmostEqual(visitInfo.getBoresightRaDec(), visit229388_info['boresightRaDec'], 

maxSep=0.1*arcseconds) 

self.assertSpherePointsAlmostEqual(visitInfo.getBoresightAzAlt(), visit229388_info['boresightAzAlt']) 

self.assertAlmostEqual(visitInfo.getBoresightAirmass(), visit229388_info['boresightAirmass']) 

self.assertTrue(math.isnan(visitInfo.getBoresightRotAngle().asDegrees())) 

self.assertEqual(visitInfo.getRotType(), visit229388_info['rotType']) 

observatory = visitInfo.getObservatory() 

self.assertAnglesAlmostEqual(observatory.getLongitude(), visit229388_info['obs_longitude']) 

self.assertAnglesAlmostEqual(observatory.getLatitude(), visit229388_info['obs_latitude']) 

self.assertAlmostEqual(observatory.getElevation(), visit229388_info['obs_elevation']) 

weather = visitInfo.getWeather() 

self.assertAlmostEqual(weather.getAirTemperature(), visit229388_info['weath_airTemperature']) 

self.assertAlmostEqual(weather.getAirPressure(), visit229388_info['weath_airPressure']) 

self.assertAlmostEqual(weather.getHumidity(), visit229388_info['weath_humidity']) 

 

def testRawMetadata(self): 

"""Test retrieval of metadata""" 

md = self.butler.get("raw_md", self.dataId) 

print("EXPNUM(visit): %s" % md.getScalar('EXPNUM')) 

print("ccdnum: %s" % md.getScalar('CCDNUM')) 

self.assertEqual(md.getScalar('EXPNUM'), self.dataId["visit"]) 

self.assertEqual(md.getScalar('CCDNUM'), self.dataId["ccdnum"]) 

 

def testBias(self): 

"""Test retrieval of bias image""" 

exp = self.butler.get("cpBias", self.dataId) 

print("dataId: %s" % self.dataId) 

print("detector id: %s" % exp.getDetector().getId()) 

self.assertEqual(exp.getDetector().getId(), self.dataId["ccdnum"]) 

self.assertTrue(exp.hasWcs()) 

 

def testFlat(self): 

"""Test retrieval of flat image""" 

exp = self.butler.get("cpFlat", self.dataId) 

print("dataId: %s" % self.dataId) 

print("detector id: %s" % exp.getDetector().getId()) 

print("filter: %s" % self.filter) 

self.assertEqual(exp.getDetector().getId(), self.dataId["ccdnum"]) 

self.assertEqual(exp.getFilter().getFilterProperty().getName(), self.filter) 

self.assertTrue(exp.hasWcs()) 

 

def testFringe(self): 

"""Test retrieval of fringe image""" 

exp = self.butler.get("fringe", self.dataId) 

print("dataId: %s" % self.dataId) 

print("detector id: %s" % exp.getDetector().getId()) 

print("filter: %s" % self.filter) 

self.assertEqual(exp.getDetector().getId(), self.dataId["ccdnum"]) 

self.assertEqual(exp.getFilter().getFilterProperty().getName(), self.filter) 

 

def testDefect(self): 

"""Test retrieval of defect list""" 

defectList = self.butler.get("defects", self.dataId) 

self.assertEqual(len(defectList), 9) 

for d in defectList: 

self.assertIsInstance(d, afwImage.DefectBase) 

 

 

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

pass 

 

 

def setup_module(module): 

lsst.utils.tests.init() 

 

 

174 ↛ 175line 174 didn't jump to line 175, because the condition on line 174 was never trueif __name__ == "__main__": 

lsst.utils.tests.init() 

unittest.main()