Mercurial > repos > ecology > srs_global_indices
comparison preprocess_S2.r @ 0:5cae678042ec draft default tip
planemo upload for repository https://github.com/Marie59/Sentinel_2A/srs_tools commit b32737c1642aa02cc672534e42c5cb4abe0cd3e7
author | ecology |
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date | Mon, 09 Jan 2023 13:36:33 +0000 |
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-1:000000000000 | 0:5cae678042ec |
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1 #Rscript | |
2 | |
3 ########################################### | |
4 ## Preprocessing Sentinel 2 data ## | |
5 ########################################### | |
6 | |
7 #####Packages : sen2r, | |
8 # jqr, | |
9 # protolite, | |
10 # raster, | |
11 # sf, | |
12 # rgeos, | |
13 # sp, | |
14 # raster, | |
15 # stars, | |
16 # stringr, | |
17 # progress, | |
18 # rgdal, | |
19 # R.utils, | |
20 # gdalUtils, | |
21 # fasterize, | |
22 # XML, | |
23 # XML2 | |
24 | |
25 #####Load arguments | |
26 | |
27 args <- commandArgs(trailingOnly = TRUE) | |
28 | |
29 if (length(args) < 1) { | |
30 stop("This tool needs at least 1 argument") | |
31 }else { | |
32 data <- args[1] | |
33 source(args[2]) | |
34 data_source <- as.character(args[3]) | |
35 sat_type <- as.character(args[4]) | |
36 } | |
37 | |
38 ##____________________________________________________________________## | |
39 ## Define where data is stored and where to write results ## | |
40 ##--------------------------------------------------------------------## | |
41 | |
42 #Create a directory where to unzip your folder of data | |
43 dir.create("data_dir") | |
44 unzip(data, exdir = "data_dir") | |
45 | |
46 # Result directory | |
47 result_path <- "results" | |
48 dir.create(path = result_path, showWarnings = FALSE, recursive = TRUE) | |
49 | |
50 #Csv file for output useless but needed for linter | |
51 write.csv(data_source, "Mission.csv") | |
52 | |
53 # define raster path | |
54 if (data_source == "SAFE") { | |
55 path_s2 <- file.path("data_dir", list.files("data_dir", pattern = ".SAFE")) | |
56 #To define the level and know if a correction is needed (convert not ready yet) | |
57 level_info <- get_s2_level(path_s2) | |
58 if (level_info == "L1C") { | |
59 stop("! This tool works for data of L2A level and NOT for the L1C level which is currently a work in progress !") | |
60 } | |
61 }else { | |
62 path_s2 <- file.path("data_dir") | |
63 } | |
64 | |
65 ##____________________________________________________________________## | |
66 ## Extract, resample & stack data ## | |
67 ##--------------------------------------------------------------------## | |
68 # define resolution | |
69 resolution <- 10 | |
70 # define source of data | |
71 s2source <- data_source | |
72 | |
73 s2obj <- extract_from_s2_l2a(path_dir_s2 = path_s2, | |
74 path_vector = NULL, | |
75 s2source = s2source, | |
76 resolution = resolution) | |
77 | |
78 ##____________________________________________________________________## | |
79 ## Write CLOUD MASK ## | |
80 ##--------------------------------------------------------------------## | |
81 | |
82 # directory for cloud mask | |
83 cloud_path <- file.path(result_path, "CloudMask") | |
84 dir.create(path = cloud_path, showWarnings = FALSE, recursive = TRUE) | |
85 # Filename for cloud mask | |
86 cloudmasks <- save_cloud_s2(s2_stars = s2obj$s2_stack, | |
87 cloud_path = cloud_path, | |
88 s2source = s2source, saveraw = TRUE) | |
89 | |
90 zip_cloud <- file.path("Cloud.zip") | |
91 zip::zip(zip_cloud, cloud_path) | |
92 ##____________________________________________________________________## | |
93 ## Write REFLECTANCE ## | |
94 ##--------------------------------------------------------------------## | |
95 | |
96 # directory for Reflectance | |
97 refl_dir <- file.path(result_path, "Reflectance") | |
98 dir.create(path = refl_dir, showWarnings = FALSE, recursive = TRUE) | |
99 | |
100 if (data_source == "SAFE") { | |
101 # filename for Reflectance | |
102 refl_path <- file.path(refl_dir, paste(basename(s2obj$s2_bands$GRANULE), "_Refl", sep = "")) | |
103 | |
104 # Save Reflectance file as ENVI image with BIL interleaves | |
105 tile_s2 <- substring(strsplit(basename(s2obj$s2_bands$GRANULE), "_")[[1]][2], 2) | |
106 dateacq_s2 <- as.Date(substring(strsplit(basename(s2obj$s2_bands$GRANULE), "_")[[1]][4], 1, 8), format = "%Y%m%d") | |
107 }else { | |
108 # filename for Reflectance | |
109 refl_path <- file.path(refl_dir, paste(basename(s2obj$s2_bands$path_tile_s2), "_Refl", sep = "")) | |
110 | |
111 # Save Reflectance file as ENVI image with BIL interleaves | |
112 tile_s2 <- substring(strsplit(basename(s2obj$s2_bands$path_tile_s2), "_")[[1]][2], 2) | |
113 dateacq_s2 <- as.Date(substring(strsplit(basename(s2obj$s2_bands$path_tile_s2), "_")[[1]][4], 1, 8), format = "%Y%m%d") | |
114 } | |
115 | |
116 save_data <- save_reflectance_s2(s2_stars = s2obj$s2_stack, refl_path = refl_path, | |
117 s2sat = sat_type, tile_s2 = tile_s2, dateacq_s2 = dateacq_s2, | |
118 format = "ENVI", datatype = "Int16", mtd = s2obj$s2_bands$metadata, mtd_msi = s2obj$s2_bands$metadata_MSI) | |
119 | |
120 zip_files <- file.path("Refl.zip") | |
121 zip::zip(zip_files, refl_dir) |