adds author, comments, license

GEE_collection_Gen.py

@@ -1,15 +1,32 @@
+'''          
+Script to create collections for Google Earth Engine plugin 
+To be used in QGIS Python console
+tutorial video available here: https://youtu.be/ODBCPmQBEqU
+
+'''
+
+# Authors: Oliver (http://www.burdgis.com)
+# License: MIT
+
+
 import ee 
 import calendar
 from datetime import datetime
 from dateutil.relativedelta import *
 from ee_plugin import Map 
 
+dataset = 'COPERNICUS/S5P/NRTI/L3_NO2' # change to required dataset
+column = 'NO2_column_number_density' # change to required column
+
+
+# Styling for the layers
 band_viz = {
   'min': 0,
   'max': 0.0002,
   'palette': ['black', 'blue', 'purple', 'cyan', 'green', 'yellow', 'red']
 }
 
+# accepts 2 str in numerical format YYYYmmdd e.g. 20190331
 def getDates(startDate, endDate):
 
     startDate = datetime.strptime(startDate, '%Y%m%d')
@@ -26,10 +43,11 @@ def getDates(startDate, endDate):
         print(layerName)
 
         yield[collName, collStart.strftime("%Y-%m-%d"), collEnd.strftime("%Y-%m-%d"), layerName]
-
-for n in getDates('20190101','20200320'):
-    n[0] = ee.ImageCollection('COPERNICUS/S5P/NRTI/L3_NO2')\
-            .select('NO2_column_number_density')\
+
+# change dates here        
+for n in getDates('YYYYmmdd','YYYYmmdd'):
+    n[0] = ee.ImageCollection(dataset)\
+            .select(column)\
             .filterDate(n[1], n[2])
     Map.addLayer(n[0].mean(), band_viz, 'S5P N02 - ' + n[3] )