Commit my-awesome-file to the Hub

app.py

@@ -1,7 +1,6 @@
 import streamlit as st
 # import leafmap.foliumap as geemap
 import geemap.foliumap as geemap
-
 from streamlit.components.v1 import html
 import ee
 import folium
@@ -22,7 +21,7 @@ st.sidebar.info(
 
 st.sidebar.title("Contact")
 
-st.sidebar.markdown('<a href="mailto:admin@onfarmview.com">Contact us !</a>', unsafe_allow_html=True)
+st.sidebar.markdown('<a href="mailto:admin@onfarmview.com">Contact Us</a>', unsafe_allow_html=True)
 
 st.title("On Farm View")
 
@@ -38,6 +37,17 @@ st.sidebar.markdown(footer_content, unsafe_allow_html=True)
 def ee_authenticate(token_name="EARTHENGINE_TOKEN"):
     geemap.ee_initialize(token_name=token_name)
 
+def maskCloudAndShadows(image):
+  cloudProb = image.select('MSK_CLDPRB')
+  snowProb = image.select('MSK_SNWPRB')
+  cloud = cloudProb.lt(5)
+  snow = snowProb.lt(5)
+  scl = image.select('SCL')
+  shadow = scl.eq(3); # 3 = cloud shadow
+  cirrus = scl.eq(10); # 10 = cirrus
+  # Cloud probability less than 5% or cloud shadow classification
+  mask = (cloud.And(snow)).And(cirrus.neq(1)).And(shadow.neq(1))
+  return image.updateMask(mask).divide(10000)
 
 map_center=(-43.525650, 172.639847)
 ee_authenticate(token_name="EARTHENGINE_TOKEN")
@@ -51,6 +61,21 @@ m = geemap.Map(
     center=map_center, zoom=15,
 )
 
+ed = date.today()
+sd = ed - timedelta(days=30)
+
+
+startDate = sd.strftime("%Y-%m-%d") + "T" 
+endDate = ed.strftime("%Y-%m-%d") + "T"
+
+
+se2 = ee.ImageCollection('COPERNICUS/S2_SR').filterDate(
+            startDate,endDate).filter(
+            ee.Filter.lt("CLOUDY_PIXEL_PERCENTAGE",80)).map(maskCloudAndShadows).median()
+band = ['B4','B3','B2']
+rgbViza = {"min":0.0, "max":0.7,"bands":band}
+titlemap = "Sentinel 2 - Natural Color"
+m.addLayer(se2, rgbViza, titlemap)
 
 m.to_streamlit(height=650)