Hide keyboard shortcuts

Hot-keys on this page

r m x p   toggle line displays

j k   next/prev highlighted chunk

0   (zero) top of page

1   (one) first highlighted chunk

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

63

64

65

66

67

68

69

70

71

72

73

74

75

76

77

78

79

80

81

82

83

84

85

86

87

88

89

90

91

92

93

94

95

96

97

98

99

# 

# 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 lsst.utils.tests 

import lsst.afw.image as afwImage 

import lsst.afw.geom as afwGeom 

import lsst.ip.isr as ipIsr 

 

 

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

 

def testSaturation(self): 

saturation = 1000 

 

bbox = afwGeom.Box2I(afwGeom.Point2I(0, 0), afwGeom.Point2I(19, 19)) 

maskedImage = afwImage.MaskedImageF(bbox) 

maskedImage.set(100, 0x0, 1) 

 

bbox = afwGeom.Box2I(afwGeom.Point2I(9, 5), 

afwGeom.Point2I(9, 15)) 

submi = afwImage.MaskedImageF(maskedImage, bbox, afwImage.PARENT, False) 

submi.set(saturation, 0x0, 1) 

 

ipIsr.makeThresholdMask( 

maskedImage=maskedImage, 

threshold=saturation, 

growFootprints=0, 

maskName='SAT', 

) 

ipIsr.interpolateFromMask( 

maskedImage=maskedImage, 

fwhm=5.0, 

growSaturatedFootprints=1, 

maskNameList=['SAT'], 

) 

 

mask = maskedImage.getMask() 

bitmaskSat = mask.getPlaneBitMask('SAT') 

bitmaskInterp = mask.getPlaneBitMask('INTRP') 

height = maskedImage.getHeight() 

width = maskedImage.getWidth() 

 

for j in range(height): 

for i in range(width): 

# Grown saturation mask; one around the mask at 9 

if i >= 8 and i <= 10: 

if (i, j) in [(8, 4), (8, 16), (10, 4), (10, 16)]: 

# Should not be saturated or interpolated at all 

self.assertEqual(mask[i, j, afwImage.LOCAL] & bitmaskInterp, 0) 

self.assertEqual(mask[i, j, afwImage.LOCAL] & bitmaskSat, 0) 

elif (j > 4 and j < 16) and (i == 8 or i == 10): 

# Not saturated but interpolated over 

self.assertEqual(mask[i, j, afwImage.LOCAL] & bitmaskInterp, bitmaskInterp) 

elif (j == 4 or j == 16): 

# Interpolated over; bottom/top 

self.assertEqual(mask[i, j, afwImage.LOCAL] & bitmaskInterp, bitmaskInterp) 

elif (j > 4 and j < 16 and i == 9): 

# Both saturated and interpolated over; guts of it 

self.assertEqual(mask[i, j, afwImage.LOCAL] & bitmaskInterp, bitmaskInterp) 

self.assertEqual(mask[i, j, afwImage.LOCAL] & bitmaskSat, bitmaskSat) 

else: 

# Neither; above or below the mask 

self.assertEqual(mask[i, j, afwImage.LOCAL], 0) 

else: 

self.assertEqual(mask[i, j, afwImage.LOCAL], 0) 

 

 

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

pass 

 

 

def setup_module(module): 

lsst.utils.tests.init() 

 

 

97 ↛ 98line 97 didn't jump to line 98, because the condition on line 97 was never trueif __name__ == "__main__": 

lsst.utils.tests.init() 

unittest.main()