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# 

# LSST Data Management System 

# Copyright 2012-2017 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 sys 

 

import unittest 

import warnings 

from lsst.utils import getPackageDir 

import lsst.utils.tests 

import lsst.daf.persistence as dafPersist 

import lsst.afw.cameraGeom.utils as cameraGeomUtils 

import lsst.pex.exceptions as pexExcept 

from lsst.daf.base import DateTime 

from lsst.afw.image import RotType 

from lsst.afw.geom import degrees, SpherePoint 

 

try: 

type(display) 

except NameError: 

display = False 

 

frame = 0 

 

 

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

 

"""Testing butler raw image retrieval""" 

 

def setUp(self): 

datadir = self.getTestDataDir() 

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

self.calibPath = os.path.join(datadir, "CALIB") 

self.butler = dafPersist.Butler(root=self.repoPath, 

calibRoot=self.calibPath) 

self.size = (2112, 4644) 

self.dataId = {'visit': 1038843} 

self.filter = "i2" 

self.exposureTime = 615.037 

self.darkTime = 615.0 

dateObs = DateTime(54771.6066250, DateTime.MJD, DateTime.UTC) 

self.dateAvg = DateTime(dateObs.nsecs(DateTime.TAI) + int(0.5e9*self.exposureTime), DateTime.TAI) 

self.boresightRaDec = SpherePoint(135.409417, -2.400000, degrees) 

self.boresightAzAlt = SpherePoint(122.34, 52.02, degrees) 

self.boresightAirmass = 1.269 

self.rotType = RotType.UNKNOWN 

self.obs_longitude = -155.468876*degrees 

self.obs_latitude = 19.825252*degrees 

self.obs_elevation = 4204 

self.weath_airTemperature = 0.90 

self.weath_airPressure = 617.65*100 # 100 Pascal/millibar 

self.weath_humidity = 39.77 

# NOTE: if we deal with DM-8053 and get UT1 implemented, ERA will change slightly. 

lst = 104.16591666666666*degrees 

self.era = lst - self.obs_longitude 

 

def tearDown(self): 

del self.butler 

 

def assertExposure(self, exp, ccd, checkFilter=True): 

print("dataId: ", self.dataId) 

print("ccd: ", ccd) 

print("width: ", exp.getWidth()) 

print("height: ", exp.getHeight()) 

print("detector name: ", exp.getDetector().getName()) 

print("filter name: ", exp.getFilter().getFilterProperty().getName()) 

 

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

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

self.assertEqual(exp.getDetector().getName(), "ccd%02d" % ccd) 

if checkFilter: 

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

 

if display and ccd % 18 == 0: 

global frame 

frame += 1 

ccd = exp.getDetector() 

for amp in ccd: 

amp = amp 

print(ccd.getId(), amp.getId(), amp.getDataSec().toString(), 

amp.getBiasSec().toString(), amp.getElectronicParams().getGain()) 

cameraGeomUtils.showCcd(ccd, ccdImage=exp, frame=frame) 

 

def getTestDataDir(self): 

try: 

datadir = getPackageDir("testdata_cfht") 

except pexExcept.NotFoundError as e: 

warnings.warn(e.args[0]) 

raise unittest.SkipTest("Skipping test as testdata_cfht is not setup") 

return datadir 

 

def testRaw(self): 

"""Test retrieval of raw image""" 

if display: 

global frame 

frame += 1 

cameraGeomUtils.showCamera(self.butler.mapper.camera, frame=frame) 

 

for ccd in range(36): 

raw = self.butler.get("raw", self.dataId, ccd=ccd, immediate=True) 

 

self.assertExposure(raw, ccd) 

 

visitInfo = raw.getInfo().getVisitInfo() 

self.assertAlmostEqual(visitInfo.getDate().get(), self.dateAvg.get()) 

self.assertEqual(visitInfo.getEra(), self.era) 

self.assertAlmostEqual(visitInfo.getExposureTime(), self.exposureTime) 

self.assertAlmostEqual(visitInfo.getDarkTime(), self.darkTime) 

self.assertSpherePointsAlmostEqual(visitInfo.getBoresightRaDec(), self.boresightRaDec) 

self.assertSpherePointsAlmostEqual(visitInfo.getBoresightAzAlt(), self.boresightAzAlt) 

self.assertAlmostEqual(visitInfo.getBoresightAirmass(), self.boresightAirmass) 

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

self.assertEqual(visitInfo.getRotType(), self.rotType) 

observatory = visitInfo.getObservatory() 

self.assertAnglesAlmostEqual(observatory.getLongitude(), self.obs_longitude) 

self.assertAnglesAlmostEqual(observatory.getLatitude(), self.obs_latitude) 

self.assertAlmostEqual(observatory.getElevation(), self.obs_elevation) 

weather = visitInfo.getWeather() 

self.assertAlmostEqual(weather.getAirTemperature(), self.weath_airTemperature) 

self.assertAlmostEqual(weather.getAirPressure(), self.weath_airPressure) 

self.assertAlmostEqual(weather.getHumidity(), self.weath_humidity) 

 

def getDetrend(self, detrend): 

"""Test retrieval of detrend image""" 

for ccd in range(36): 

flat = self.butler.get(detrend, self.dataId, ccd=ccd, immediate=True) 

 

self.assertExposure(flat, ccd, checkFilter=False) 

 

def testFlat(self): 

self.getDetrend("flat") 

 

def testBias(self): 

self.getDetrend("bias") 

 

def testFringe(self): 

self.getDetrend("fringe") 

 

def testPackageName(self): 

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

self.assertEqual(name, "obs_cfht") 

 

 

def setup_module(module): 

lsst.utils.tests.init() 

 

 

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

pass 

 

 

172 ↛ 173line 172 didn't jump to line 173, because the condition on line 172 was never trueif __name__ == "__main__": 

if "--display" in sys.argv: 

display = True 

lsst.utils.tests.init() 

unittest.main()