From 8edc025402cb38c44ecf42164e70f4bc96777a4b Mon Sep 17 00:00:00 2001
From: balakumaran <balakumaran247@gmail.com>
Date: Mon, 19 Apr 2021 17:34:51 +0530
Subject: [PATCH] Added: Sentinelsat - download and extract

---
 .gitignore       |  2 +-
 data/.gitignore  |  4 ++++
 download_data.py | 24 ++++++++++++++++++++++++
 s2_vegetation.py | 23 +++++++----------------
 4 files changed, 36 insertions(+), 17 deletions(-)
 create mode 100644 data/.gitignore
 create mode 100644 download_data.py

diff --git a/.gitignore b/.gitignore
index a731826..7b4539d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,2 +1,2 @@
 *.pyc
-input_details.py
+input_details.py
\ No newline at end of file
diff --git a/data/.gitignore b/data/.gitignore
new file mode 100644
index 0000000..44c5ea8
--- /dev/null
+++ b/data/.gitignore
@@ -0,0 +1,4 @@
+# Ignore everything in this directory
+*
+# Except this file
+!.gitignore
\ No newline at end of file
diff --git a/download_data.py b/download_data.py
new file mode 100644
index 0000000..f6bd6fb
--- /dev/null
+++ b/download_data.py
@@ -0,0 +1,24 @@
+from sentinelsat import SentinelAPI
+import zipfile
+import os
+
+def download_data (username, password, latitude, longitude):
+    api = SentinelAPI(username, 
+                  password, 'https://scihub.copernicus.eu/dhus')
+    footprint = f'POINT ({latitude} {longitude})'
+    data_populate = api.query(footprint, date=('NOW-12MONTHS','NOW'), 
+                          order_by='cloudcoverpercentage', 
+                          platformname='Sentinel-2', 
+                          processinglevel='Level-2A', 
+                          cloudcoverpercentage=(0,10))
+    data_database = api.to_geodataframe(data_populate)
+    data_database_sorted = data_database.sort_values('cloudcoverpercentage', 
+                                                 ascending=True).reset_index()
+    print(data_database_sorted['index'].iloc[0])
+    print("\ndownloading data... please wait...\n")
+    data_download = api.download(data_database_sorted['index'].iloc[0], 
+                             directory_path='./data')
+    print("\ndownload complete!\n")
+    zip = zipfile.ZipFile(os.path.join('.', 'data', 
+                                   data_download['title'] + '.zip'))
+    zip.extractall('./data')
\ No newline at end of file
diff --git a/s2_vegetation.py b/s2_vegetation.py
index dbdbb24..153b958 100644
--- a/s2_vegetation.py
+++ b/s2_vegetation.py
@@ -1,19 +1,10 @@
-from sentinelsat import SentinelAPI
-import geopandas as gpd
-import pandas as pd
-from shapely.geometry import MultiPolygon, Polygon
-import numpy as np
-import os
-
 import input_details
+from download_data import download_data
 
-api = SentinelAPI(input_details.username, input_details.password, 'https://scihub.copernicus.eu/dhus')
-
-footprint = f'POINT ({input_details.latitude} {input_details.longitude})'
-print(footprint)
-
-data_populate = api.query(footprint, date=('NOW-12MONTHS','NOW'), order_by='cloudcoverpercentage', platformname='Sentinel-2', processinglevel='Level-2A', cloudcoverpercentage=(0,10))
-print(len(data_populate))
+def main():
+    username, password = input_details.username, input_details.password
+    latitude, longitude = input_details.latitude, input_details.longitude
+    download_data(username, password, latitude, longitude)
 
-data_database = api.to_geodataframe(data_populate)
-print(data_database)
\ No newline at end of file
+if __name__ == '__main__':
+    main()