update

code/end_to_end_gee/01-Earth-Engine-Basics/07b_Clipping_(complete)

@@ -2,7 +2,9 @@ var s2 = ee.ImageCollection('COPERNICUS/S2_HARMONIZED');
 var urban = ee.FeatureCollection('users/ujavalgandhi/e2e/ghs_urban_centers');
 // Find the name of the urban centre
 // by adding the layer to the map and using Inspector.
-var filtered = urban.filter(ee.Filter.eq('UC_NM_MN', 'Bengaluru'));
+var filtered = urban
+  .filter(ee.Filter.eq('UC_NM_MN', 'Bengaluru'))
+  .filter(ee.Filter.eq('CTR_MN_NM', 'India'));
 
 var geometry = filtered.geometry();
 

code/end_to_end_gee/01-Earth-Engine-Basics/07c_Clipping_(exercise)

@@ -1,8 +1,10 @@
 var s2 = ee.ImageCollection('COPERNICUS/S2_HARMONIZED');
 var urban = ee.FeatureCollection('users/ujavalgandhi/e2e/ghs_urban_centers');
 
-var filtered = urban.filter(ee.Filter.eq('UC_NM_MN', 'Bengaluru'));
-
+var filtered = urban
+  .filter(ee.Filter.eq('UC_NM_MN', 'Bengaluru'))
+  .filter(ee.Filter.eq('CTR_MN_NM', 'India'));
+
 var geometry = filtered.geometry();
 
 var rgbVis = {

code/end_to_end_gee/01-Earth-Engine-Basics/08a_Export

@@ -1,7 +1,9 @@
 var s2 = ee.ImageCollection('COPERNICUS/S2_HARMONIZED');
 var urban = ee.FeatureCollection('users/ujavalgandhi/e2e/ghs_urban_centers');
 
-var filtered = urban.filter(ee.Filter.eq('UC_NM_MN', 'Bengaluru'));
+var filtered = urban
+  .filter(ee.Filter.eq('UC_NM_MN', 'Bengaluru'))
+  .filter(ee.Filter.eq('CTR_MN_NM', 'India'));
 
 var geometry = filtered.geometry();
 

code/end_to_end_gee/01-Earth-Engine-Basics/08b_Export_(complete)

@@ -1,7 +1,9 @@
 var s2 = ee.ImageCollection('COPERNICUS/S2_HARMONIZED');
 var urban = ee.FeatureCollection('users/ujavalgandhi/e2e/ghs_urban_centers');
 
-var filtered = urban.filter(ee.Filter.eq('UC_NM_MN', 'Bengaluru'));
+var filtered = urban
+  .filter(ee.Filter.eq('UC_NM_MN', 'Bengaluru'))
+  .filter(ee.Filter.eq('CTR_MN_NM', 'India'));
 var geometry = filtered.geometry();
 
 var rgbVis = {

code/end_to_end_gee/01-Earth-Engine-Basics/08c_Export_(exercise)

@@ -1,7 +1,10 @@
 var s2 = ee.ImageCollection('COPERNICUS/S2_HARMONIZED');
 var urban = ee.FeatureCollection('users/ujavalgandhi/e2e/ghs_urban_centers');
 
-var filtered = urban.filter(ee.Filter.eq('UC_NM_MN', 'Bengaluru'));
+var filtered = urban
+  .filter(ee.Filter.eq('UC_NM_MN', 'Bengaluru'))
+  .filter(ee.Filter.eq('CTR_MN_NM', 'India'));
+
 var geometry = filtered.geometry();
 
 var rgbVis = {

code/end_to_end_gee/Supplement/Image_Collections/Harmonized_Landsat_Time_Series

@@ -78,18 +78,25 @@ function maskL8sr(image) {
       .copyProperties(image, ['system:time_start']);
 }
 
-// Apply cloud-mask and rename bands
+// Apply filters, cloud-mask and rename bands
+// Filters from https://github.com/google/earthengine-catalog/blob/main/pipelines/landsat.py
 var L5 = L5
+  .filter(ee.Filter.lt('WRS_ROW', 122))  // Remove night-time images.
   .map(maskL457sr)
-  .select(l5Bands,l5names)
+  .select(l5Bands,l5names);
 
 var L7 = L7
+  .filter(ee.Filter.lt('WRS_ROW', 122))  // Remove night-time images.
+  .filter(ee.Filter.date('1984-01-01', '2017-01-01'))  // Orbital drift after 2017.
   .map(maskL457sr)
-  .select(l7Bands,l7names)
+  .select(l7Bands,l7names);
 
 var L8 = L8
+  .filterDate(ee.Filter.date('2013-05-01', '2099-01-01')) // Images before May 1 had some pointing issues.
+  .filter(ee.Filter.neq('NADIR_OFFNADIR', 'OFFNADIR'))
+  .filter(ee.Filter.lt('WRS_ROW', 122))  // Remove night-time images.
   .map(maskL8sr)
-  .select(l8Bands,l8names)
+  .select(l8Bands,l8names);
 
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 // Step 3a: Verify Radiometric Calibration

code/end_to_end_gee/Supplement/Image_Collections/Visualizing_Bands_of_an_Image

@@ -0,0 +1,71 @@
+// Example script showing how to visualize
+// all the bands of an image
+// 1. Filmstrip: Create a tiled image with all the bands
+// 2. Animation: Create a video with a frame for each band
+
+var s2 = ee.ImageCollection('COPERNICUS/S2_HARMONIZED');
+var geometry = ee.Geometry.Polygon([[
+  [77.57018, 12.96010],
+  [77.57018, 12.93953],
+  [77.59988, 12.93953],
+  [77.59988, 12.96010]]
+]);
+
+var filteredS2 = s2.filter(ee.Filter.lt('CLOUDY_PIXEL_PERCENTAGE', 30))
+  .filter(ee.Filter.date('2019-01-01', '2020-01-01'))
+  .filter(ee.Filter.bounds(geometry));
+
+// Sort the collection and pick the least cloudy image
+var filteredS2Sorted = filteredS2.sort('CLOUDY_PIXEL_PERCENTAGE');
+var image = filteredS2Sorted.first();
+
+// Convert the multi-band image to an ImageCollection
+var bands = image.select('B.*').bandNames();
+
+// Remove the 'Cirrus' band
+var bandsToUse = bands.remove('B10');
+
+// Tip: change the bandsToUse variable to a smaller list
+// such as ['B1', 'B2', 'B3', 'B4] to create shorter 
+// filmstrips and repeat for other bands
+
+// map() a function on the list of bands
+var bandCol = ee.ImageCollection(bandsToUse.map(function(band) {
+  // All images in a collection are expected to have the same bands
+  // Set the name of hte bands to 'band'
+  var bandImage = image.select([band]).rename('band');
+  // Set the image ID to the actual name of the band. i.e. B1, B2 etc.
+  return bandImage.set('system:index', band);
+}));
+
+// Define arguments for the getFilmstripThumbURL function parameters.
+var filmArgs = {
+  dimensions: 800,
+  region: geometry,
+  crs: 'EPSG:3857',
+  min: 500,
+  max: 2700,
+  palette: ['black', 'white']
+};
+
+// Print a URL that will produce the filmstrip when accessed.
+print('Film Strip (click to view)', bandCol.getFilmstripThumbURL(filmArgs));
+
+// Create an Animation
+var videoArgs = {
+  dimensions: 800,
+  region: geometry,
+  crs: 'EPSG:3857',
+  framesPerSeconds: 1,
+  min: 500,
+  max: 2700,
+  palette: ['black', 'white']
+};
+
+print('Animation (click to view)', bandCol.getVideoThumbURL(videoArgs));
+
+var rgbVis = {min: 0.0, max: 3000, bands: ['B4', 'B3', 'B2']};
+
+Map.centerObject(geometry, 10);
+Map.addLayer(image, rgbVis, 'Image');
+

docs/code/end_to_end_gee/01-Earth-Engine-Basics/07b_Clipping_(complete)

@@ -2,7 +2,9 @@ var s2 = ee.ImageCollection('COPERNICUS/S2_HARMONIZED');
 var urban = ee.FeatureCollection('users/ujavalgandhi/e2e/ghs_urban_centers');
 // Find the name of the urban centre
 // by adding the layer to the map and using Inspector.
-var filtered = urban.filter(ee.Filter.eq('UC_NM_MN', 'Bengaluru'));
+var filtered = urban
+  .filter(ee.Filter.eq('UC_NM_MN', 'Bengaluru'))
+  .filter(ee.Filter.eq('CTR_MN_NM', 'India'));
 
 var geometry = filtered.geometry();
 

docs/code/end_to_end_gee/01-Earth-Engine-Basics/07c_Clipping_(exercise)

@@ -1,8 +1,10 @@
 var s2 = ee.ImageCollection('COPERNICUS/S2_HARMONIZED');
 var urban = ee.FeatureCollection('users/ujavalgandhi/e2e/ghs_urban_centers');
 
-var filtered = urban.filter(ee.Filter.eq('UC_NM_MN', 'Bengaluru'));
-
+var filtered = urban
+  .filter(ee.Filter.eq('UC_NM_MN', 'Bengaluru'))
+  .filter(ee.Filter.eq('CTR_MN_NM', 'India'));
+
 var geometry = filtered.geometry();
 
 var rgbVis = {

docs/code/end_to_end_gee/01-Earth-Engine-Basics/08a_Export

@@ -1,7 +1,9 @@
 var s2 = ee.ImageCollection('COPERNICUS/S2_HARMONIZED');
 var urban = ee.FeatureCollection('users/ujavalgandhi/e2e/ghs_urban_centers');
 
-var filtered = urban.filter(ee.Filter.eq('UC_NM_MN', 'Bengaluru'));
+var filtered = urban
+  .filter(ee.Filter.eq('UC_NM_MN', 'Bengaluru'))
+  .filter(ee.Filter.eq('CTR_MN_NM', 'India'));
 
 var geometry = filtered.geometry();
 

docs/code/end_to_end_gee/01-Earth-Engine-Basics/08b_Export_(complete)

@@ -1,7 +1,9 @@
 var s2 = ee.ImageCollection('COPERNICUS/S2_HARMONIZED');
 var urban = ee.FeatureCollection('users/ujavalgandhi/e2e/ghs_urban_centers');
 
-var filtered = urban.filter(ee.Filter.eq('UC_NM_MN', 'Bengaluru'));
+var filtered = urban
+  .filter(ee.Filter.eq('UC_NM_MN', 'Bengaluru'))
+  .filter(ee.Filter.eq('CTR_MN_NM', 'India'));
 var geometry = filtered.geometry();
 
 var rgbVis = {

docs/code/end_to_end_gee/01-Earth-Engine-Basics/08c_Export_(exercise)

@@ -1,7 +1,10 @@
 var s2 = ee.ImageCollection('COPERNICUS/S2_HARMONIZED');
 var urban = ee.FeatureCollection('users/ujavalgandhi/e2e/ghs_urban_centers');
 
-var filtered = urban.filter(ee.Filter.eq('UC_NM_MN', 'Bengaluru'));
+var filtered = urban
+  .filter(ee.Filter.eq('UC_NM_MN', 'Bengaluru'))
+  .filter(ee.Filter.eq('CTR_MN_NM', 'India'));
+
 var geometry = filtered.geometry();
 
 var rgbVis = {

docs/code/end_to_end_gee/Supplement/Image_Collections/Harmonized_Landsat_Time_Series

@@ -78,18 +78,25 @@ function maskL8sr(image) {
       .copyProperties(image, ['system:time_start']);
 }
 
-// Apply cloud-mask and rename bands
+// Apply filters, cloud-mask and rename bands
+// Filters from https://github.com/google/earthengine-catalog/blob/main/pipelines/landsat.py
 var L5 = L5
+  .filter(ee.Filter.lt('WRS_ROW', 122))  // Remove night-time images.
   .map(maskL457sr)
-  .select(l5Bands,l5names)
+  .select(l5Bands,l5names);
 
 var L7 = L7
+  .filter(ee.Filter.lt('WRS_ROW', 122))  // Remove night-time images.
+  .filter(ee.Filter.date('1984-01-01', '2017-01-01'))  // Orbital drift after 2017.
   .map(maskL457sr)
-  .select(l7Bands,l7names)
+  .select(l7Bands,l7names);
 
 var L8 = L8
+  .filterDate(ee.Filter.date('2013-05-01', '2099-01-01')) // Images before May 1 had some pointing issues.
+  .filter(ee.Filter.neq('NADIR_OFFNADIR', 'OFFNADIR'))
+  .filter(ee.Filter.lt('WRS_ROW', 122))  // Remove night-time images.
   .map(maskL8sr)
-  .select(l8Bands,l8names)
+  .select(l8Bands,l8names);
 
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 // Step 3a: Verify Radiometric Calibration

docs/code/end_to_end_gee/Supplement/Image_Collections/Visualizing_Bands_of_an_Image

@@ -0,0 +1,71 @@
+// Example script showing how to visualize
+// all the bands of an image
+// 1. Filmstrip: Create a tiled image with all the bands
+// 2. Animation: Create a video with a frame for each band
+
+var s2 = ee.ImageCollection('COPERNICUS/S2_HARMONIZED');
+var geometry = ee.Geometry.Polygon([[
+  [77.57018, 12.96010],
+  [77.57018, 12.93953],
+  [77.59988, 12.93953],
+  [77.59988, 12.96010]]
+]);
+
+var filteredS2 = s2.filter(ee.Filter.lt('CLOUDY_PIXEL_PERCENTAGE', 30))
+  .filter(ee.Filter.date('2019-01-01', '2020-01-01'))
+  .filter(ee.Filter.bounds(geometry));
+
+// Sort the collection and pick the least cloudy image
+var filteredS2Sorted = filteredS2.sort('CLOUDY_PIXEL_PERCENTAGE');
+var image = filteredS2Sorted.first();
+
+// Convert the multi-band image to an ImageCollection
+var bands = image.select('B.*').bandNames();
+
+// Remove the 'Cirrus' band
+var bandsToUse = bands.remove('B10');
+
+// Tip: change the bandsToUse variable to a smaller list
+// such as ['B1', 'B2', 'B3', 'B4] to create shorter 
+// filmstrips and repeat for other bands
+
+// map() a function on the list of bands
+var bandCol = ee.ImageCollection(bandsToUse.map(function(band) {
+  // All images in a collection are expected to have the same bands
+  // Set the name of hte bands to 'band'
+  var bandImage = image.select([band]).rename('band');
+  // Set the image ID to the actual name of the band. i.e. B1, B2 etc.
+  return bandImage.set('system:index', band);
+}));
+
+// Define arguments for the getFilmstripThumbURL function parameters.
+var filmArgs = {
+  dimensions: 800,
+  region: geometry,
+  crs: 'EPSG:3857',
+  min: 500,
+  max: 2700,
+  palette: ['black', 'white']
+};
+
+// Print a URL that will produce the filmstrip when accessed.
+print('Film Strip (click to view)', bandCol.getFilmstripThumbURL(filmArgs));
+
+// Create an Animation
+var videoArgs = {
+  dimensions: 800,
+  region: geometry,
+  crs: 'EPSG:3857',
+  framesPerSeconds: 1,
+  min: 500,
+  max: 2700,
+  palette: ['black', 'white']
+};
+
+print('Animation (click to view)', bandCol.getVideoThumbURL(videoArgs));
+
+var rgbVis = {min: 0.0, max: 3000, bands: ['B4', 'B3', 'B2']};
+
+Map.centerObject(geometry, 10);
+Map.addLayer(image, rgbVis, 'Image');
+