danielle-losos commited on
Commit
10674f6
·
verified ·
1 Parent(s): 68efdc9

Delete utils

Browse files
Files changed (2) hide show
  1. utils/NBR_calculations.py +0 -130
  2. utils/__init__.py +0 -0
utils/NBR_calculations.py DELETED
@@ -1,130 +0,0 @@
1
- import ee
2
-
3
- ''' 0 Good quality fire
4
- 1 Good quality fire-free land
5
- 2 Invalid due to opaque cloud
6
- 3 Invalid due to surface type or sunglint or LZA threshold exceeded or off earth or missing input data
7
- 4 Invalid due to bad input data
8
- 5 Invalid due to algorithm failure'''
9
- # Bit-masking
10
- BitMask_0 = 1 << 0
11
- BitMask_1 = 1 << 1
12
- BitMask_2 = 1 << 2
13
- BitMask_3 = 1 << 3
14
- BitMask_4 = 1 << 4
15
- BitMask_5 = 1 << 5
16
- BitMask_6 = 1 << 6
17
- BitMask_7 = 1 << 7
18
- BitMask_8 = 1 << 8
19
- BitMask_9 = 1 << 9
20
-
21
- def GcalcNBR (goesImg, aoi):
22
- #day = ee.Date(eachImg.get('system:time_start')).get('day','America/Los_Angeles')
23
- fireMode = goesImg.select('fireMode')
24
- fireMin = goesImg.select('fireMin')
25
-
26
- CMI_QF3 = goesImg.select('DQF_C03').int()
27
- CMI_QF6 = goesImg.select('DQF_C06').int()
28
-
29
- # To include active fire pixels - fireMin.lt(2)\ for next line
30
- QF_Mask = (fireMin.eq(1)\
31
- .Or(fireMin.gt(3)))\
32
- .And(CMI_QF3.lt(2))\
33
- .And(CMI_QF6.lt(2))\
34
- .rename('QFmask');
35
- GOESm = goesImg.select(['CMI_C03','CMI_C06']).updateMask(QF_Mask)
36
- NBR = GOESm.normalizedDifference(['CMI_C03', 'CMI_C06']).toFloat().rename('NBR')
37
-
38
- return goesImg.addBands([NBR,QF_Mask])
39
-
40
- def GcalcCCsingle (goesImg):
41
-
42
- fireDQF = goesImg.select('DQF').int()
43
- CMI_QF3 = goesImg.select('DQF_C03').int()
44
- CMI_QF6 = goesImg.select('DQF_C06').int()
45
-
46
- #Right now, cloud mask is excluding clouds and water; active fire, bad data and fire free are unmasked. NBR mask exlcudes fire
47
- F_Mask = fireDQF.eq(0)
48
- C_Mask = (fireDQF.lt(2).Or(fireDQF.gt(2))).rename('C_Mask')
49
- #.And(CMI_QF3.lt(2)).And(CMI_QF6.lt(2)).rename('C_Mask')
50
- QF_Mask = (fireDQF.eq(1).Or(fireDQF.gt(3)))\
51
- .And(CMI_QF3.lt(2)).And(CMI_QF6.lt(2)).rename('QFmask')
52
-
53
- GOESmasked = goesImg.select(['CMI_C03','CMI_C06']).updateMask(QF_Mask)
54
- NBRmasked = GOESmasked.normalizedDifference(['CMI_C03', 'CMI_C06']).toFloat().rename('NBR')
55
- cloudMasked = goesImg.select('CMI_C03').updateMask(C_Mask).toFloat().rename('CC')
56
- fireMasked = goesImg.select('CMI_C03').updateMask(F_Mask).toFloat().rename('FC')
57
-
58
- return goesImg.addBands([NBRmasked,cloudMasked, fireMasked,QF_Mask,C_Mask])
59
-
60
- '''Parameter Array Name Value Bit(s) = Value
61
- Sun Glint QF1 Surface Reflectance None 6-7 = 00
62
- Low Sun Mask QF1 Surface Reflectance High 5 = 0
63
- Day/Night QF1 Surface Reflectance Day 4 =0
64
- Cloud Detection QF1 Surface Reflectance Confident Clear 2-3 = 00 or Problably Clear 2-3 = 01
65
- Cloud Mask Quality QF1 Surface Reflectance High or Medium 0-1 = 10 or 11
66
- Snow/Ice QF2 Surface Reflectance No Snow or Ice 5 = 0
67
- Cloud Shadow QF2 Surface Reflectance No Cloud Shadow 3 = 0
68
- LandWater QF2 Surface Reflectance Land, Snow, Arctic, Antarctic or Greenland, Desert 0-2 = 011, 100, 101, 110, 111
69
- Thin Cirrus Flag QF7 Surface Reflectance No Thin Cirrus 4 = 0
70
- Aerosol Quantity QF7 Surface Reflectance Climatology, Low or Medium 2-3 = 00, 01 or 10
71
- Adjacent to Cloud QF7 Surface Reflectance Not Adjacent to Cloud 1 = 0'''
72
-
73
- def VcalcNBR (VIIRSimg):
74
-
75
- QF1 = VIIRSimg.select('QF1').int()
76
- QF2 = VIIRSimg.select('QF2').int()
77
- QF7 = VIIRSimg.select('QF7').int()
78
-
79
- QF_Mask = (QF1.bitwiseAnd(BitMask_3).eq(0)).And\
80
- ((QF2.bitwiseAnd(BitMask_2).eq(4)).Or((QF2.bitwiseAnd(BitMask_1).eq(0)))).And\
81
- (QF2.bitwiseAnd(BitMask_5).eq(0)).rename('QFmask');
82
-
83
- VIIRSm = VIIRSimg.select(['I2','M11']).updateMask(QF_Mask);
84
- NBR = VIIRSm.normalizedDifference(['I2','M11']).toFloat().rename('NBR')
85
- return VIIRSimg.addBands(NBR).addBands(QF_Mask)#.set('avgNBR', avgNBR)
86
-
87
- ''' Bit 1: Dilated Cloud
88
- Bit 2: Cirrus (high confidence)
89
- Bit 3: Cloud
90
- Bit 4: Cloud Shadow
91
- Bit 5: Snow
92
- Bit 6: Clear (0: Cloud or Dilated Cloud bits are set, 1: Cloud and Dilated Cloud bits are not set)
93
- Bit 7: Water
94
- Bits 8-9: Cloud Confidence (0: None, 1: Low, 2: Medium, 3: High)
95
- Bits 10-11: Cloud Shadow Confidence (0: None, 1: Low, 2: Medium, 3: High)
96
- Bits 12-13: Snow/Ice Confidence (0: None, 1: Low, 2: Medium, 3: High)
97
- Bits 14-15: Cirrus Confidence (0: None, 1: Low, 2: Medium, 3: High)'''
98
-
99
- def LcalcNBR (LSimg):
100
- QApixel = LSimg.select('QA_PIXEL').int()
101
- QF_Mask =(QApixel.bitwiseAnd(BitMask_3).eq(0)).And\
102
- (QApixel.bitwiseAnd(BitMask_5).eq(0)).And\
103
- (QApixel.bitwiseAnd(BitMask_7).eq(0)).rename('QFmask');
104
-
105
- LSmasked = LSimg.select(['SR_B5','SR_B7']).updateMask(QF_Mask);
106
- NBR = LSmasked.normalizedDifference(['SR_B5','SR_B7']).toFloat().rename('NBR')
107
- return LSimg.addBands(NBR).addBands(QF_Mask)#.set('avgNBR', avgNBR)
108
-
109
- ''' 1 Saturated or defective
110
- 2 Dark Area Pixels
111
- 3 Cloud Shadows
112
- 4 Vegetation
113
- 5 Bare Soils
114
- 6 Water
115
- 7 Clouds Low Probability / Unclassified
116
- 8 Clouds Medium Probability
117
- 9 Clouds High Probability
118
- 10 Cirrus
119
- 11 Snow / Ice'''
120
-
121
- def ScalcNBR (sentImg):
122
- SCL = sentImg.select('SCL');
123
- QF_Mask =(SCL.neq(6)).And\
124
- (SCL.neq(8)).And\
125
- (SCL.neq(9)).And\
126
- (SCL.neq(11))\
127
- .rename('QFmask');
128
- sentMasked = sentImg.select(['B8A','B12']).updateMask(QF_Mask); #B8 is another option- broadband NIR
129
- NBR = sentMasked.normalizedDifference(['B8A','B12']).toFloat().rename('NBR')
130
- return sentImg.addBands(NBR).addBands(QF_Mask).addBands(SCL)#.set('avgNBR', avgNBR)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
utils/__init__.py DELETED
File without changes