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| from django.shortcuts import render | |
| import os | |
| import folium | |
| import geopandas as gpd | |
| from folium import GeoJson | |
| import ee | |
| import geemap | |
| def home(request): | |
| shp_dir = os.path.join(os.getcwd(), 'media', 'shp') | |
| m = folium.Map(location=[25, 67], zoom_start=5) | |
| # Styling for different layers | |
| style_pakistan_districts_dd = {'fillColor': '#228B22', 'color': '#228B22'} | |
| # Define other styles as needed... | |
| # Load GeoJSON data from shapefiles | |
| layers = [ | |
| ('Pakistan_Districts', 'District_Boundary.shp', style_pakistan_districts_dd), | |
| # Add other layers here... | |
| ] | |
| for name, shapefile, style in layers: | |
| data = gpd.read_file(os.path.join(shp_dir, shapefile)) | |
| data_geojson = data.to_crs("EPSG:4326").to_json() | |
| # Create a style function that takes feature and style as arguments | |
| def style_function(feature, style=style): | |
| return { | |
| 'fillColor': style['fillColor'], | |
| 'color': style['color'] | |
| } | |
| GeoJson(data_geojson, name=name, style_function=style_function).add_to(m) | |
| # Earth Engine and geemap code (uncommented if authentication is resolved) | |
| # Authenticate the API using your credentials (only need to run this once) | |
| ee.Authenticate() | |
| # Initialize the Earth Engine API | |
| ee.Initialize() | |
| # Define the region of interest (ROI) as a geometry | |
| roi = ee.Geometry.Rectangle([67.56084171593015, 26.467647606743032, | |
| 67.71053043663328, 28.467647606743032]) | |
| # Load Sentinel-2 dataset | |
| s2_dataset = ee.ImageCollection('COPERNICUS/S2').filterBounds(roi) \ | |
| .filterDate('2019-01-01', '2020-01-01') # Define the date range | |
| # Get the first image in the collection | |
| image = s2_dataset.first() | |
| # Select the bands you need | |
| bands = ['B2', 'B3', 'B4'] # Customize according to your needs | |
| # Select the region and scale of the image | |
| image = image.select(bands).clip(roi) # Adjust scale as needed | |
| # Use geemap to display the image (optional) | |
| Map = geemap.Map() | |
| Map.centerObject(roi, zoom=10) | |
| Map.addLayer(image, {'bands': bands, 'min': 0, 'max': 3000}, 'Sentinel-2 Image') | |
| # Map | |
| folium.LayerControl().add_to(m) | |
| m = m._repr_html_() | |
| context = {'my_map': m} | |
| return render(request, 'geoApp/home.html', context) | |