Coverage for tests/test_makeWarp.py: 28%

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1# This file is part of pipe_tasks. 

2# 

3# Developed for the LSST Data Management System. 

4# This product includes software developed by the LSST Project 

5# (https://www.lsst.org). 

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

7# for details of code ownership. 

8# 

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

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

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

12# (at your option) any later version. 

13# 

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

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

16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 

17# GNU General Public License for more details. 

18# 

19# You should have received a copy of the GNU General Public License 

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

21 

22import unittest 

23 

24import numpy as np 

25 

26import lsst.utils.tests 

27 

28import lsst.afw.image 

29from lsst.pipe.tasks.makeWarp import (MakeWarpTask, MakeWarpConfig) 

30from lsst.pipe.tasks.coaddBase import makeSkyInfo 

31import lsst.skymap as skyMap 

32from lsst.afw.detection import GaussianPsf 

33import lsst.afw.cameraGeom.testUtils 

34 

35 

36class MakeWarpTestCase(lsst.utils.tests.TestCase): 

37 def setUp(self): 

38 np.random.seed(12345) 

39 

40 self.config = MakeWarpConfig() 

41 

42 meanCalibration = 1e-4 

43 calibrationErr = 1e-5 

44 self.exposurePhotoCalib = lsst.afw.image.PhotoCalib(meanCalibration, calibrationErr) 

45 # An external photoCalib calibration to return 

46 self.externalPhotoCalib = lsst.afw.image.PhotoCalib(1e-6, 1e-8) 

47 

48 crpix = lsst.geom.Point2D(0, 0) 

49 crval = lsst.geom.SpherePoint(0, 45, lsst.geom.degrees) 

50 cdMatrix = lsst.afw.geom.makeCdMatrix(scale=1.0*lsst.geom.arcseconds) 

51 self.skyWcs = lsst.afw.geom.makeSkyWcs(crpix, crval, cdMatrix) 

52 externalCdMatrix = lsst.afw.geom.makeCdMatrix(scale=0.9*lsst.geom.arcseconds) 

53 # An external skyWcs to return 

54 self.externalSkyWcs = lsst.afw.geom.makeSkyWcs(crpix, crval, externalCdMatrix) 

55 

56 self.exposure = lsst.afw.image.ExposureF(10, 10) 

57 self.exposure.maskedImage.image.array = np.random.random((10, 10)).astype(np.float32) * 1000 

58 self.exposure.maskedImage.variance.array = np.random.random((10, 10)).astype(np.float32) 

59 # mask at least one pixel 

60 self.exposure.maskedImage.mask[5, 5] = 3 

61 # set the PhotoCalib and Wcs objects of this exposure. 

62 self.exposure.setPhotoCalib(lsst.afw.image.PhotoCalib(meanCalibration, calibrationErr)) 

63 self.exposure.setWcs(self.skyWcs) 

64 self.exposure.setPsf(GaussianPsf(5, 5, 2.5)) 

65 self.exposure.setFilter(lsst.afw.image.FilterLabel(physical="fakeFilter", band="fake")) 

66 

67 self.visit = 100 

68 self.detector = 5 

69 detectorName = f"detector {self.detector}" 

70 detector = lsst.afw.cameraGeom.testUtils.DetectorWrapper(name=detectorName, id=self.detector).detector 

71 self.exposure.setDetector(detector) 

72 

73 simpleMapConfig = skyMap.discreteSkyMap.DiscreteSkyMapConfig() 

74 simpleMapConfig.raList = [crval.getRa().asDegrees()] 

75 simpleMapConfig.decList = [crval.getDec().asDegrees()] 

76 simpleMapConfig.radiusList = [0.1] 

77 

78 self.simpleMap = skyMap.DiscreteSkyMap(simpleMapConfig) 

79 self.tractId = 0 

80 self.patchId = self.simpleMap[0].findPatch(crval).sequential_index 

81 self.skyInfo = makeSkyInfo(self.simpleMap, self.tractId, self.patchId) 

82 

83 def test_makeWarp(self): 

84 """Test basic MakeWarpTask.""" 

85 makeWarp = MakeWarpTask(config=self.config) 

86 

87 result = makeWarp.run( 

88 calExpList=[self.exposure], 

89 ccdIdList=[self.detector], 

90 skyInfo=self.skyInfo, 

91 visitId=self.visit, 

92 dataIdList=[{'visit': self.visit, 'detector': self.detector}], 

93 ) 

94 

95 warp = result.exposures['direct'] 

96 

97 # Ensure we got an exposure out 

98 self.assertIsInstance(warp, lsst.afw.image.ExposureF) 

99 # Ensure the warp has valid pixels 

100 self.assertGreater(np.isfinite(warp.image.array.ravel()).sum(), 0) 

101 # Ensure the warp has the correct WCS 

102 self.assertEqual(warp.getWcs(), self.skyInfo.wcs) 

103 

104 

105def setup_module(module): 

106 lsst.utils.tests.init() 

107 

108 

109class MatchMemoryTestCase(lsst.utils.tests.MemoryTestCase): 

110 pass 

111 

112 

113if __name__ == "__main__": 113 ↛ 114line 113 didn't jump to line 114, because the condition on line 113 was never true

114 lsst.utils.tests.init() 

115 unittest.main()