#webservice/views.py from django.shortcuts import render from django.http import JsonResponse from rest_framework.decorators import api_view from rest_framework.response import Response from rest_framework import status from geowebapp.models import City from .serializers import CitiesSerializers @api_view(['GET']) def cities(request): villes = City.objects.all() serializer = CitiesSerializers(villes, many=True) return Response(serializer.data, status=status.HTTP_200_OK) @api_view(['GET']) def city(request, city_id): print(city_id, request) ville = City.objects.filter(city_id=city_id).first() serializer = CitiesSerializers(ville) return Response(serializer.data, status=status.HTTP_200_OK)

#webservice/urls.py from django.contrib import admin from django.urls import path, re_path from .views import cities, city urlpatterns = [ path("", cities, name="all_cities"), path("cities/", cities, name="cities"), path("cities/<int:city_id>/", city, name="city"), #re_path(r'^cities/(?P<city_id>\d+)/', city, name="city"), ]

#webservice/serializers.py from rest_framework import serializers from rest_framework_gis.serializers import GeoFeatureModelSerializer from geowebapp.models import City class CitiesSerializers(GeoFeatureModelSerializer): """ A class to serialize locations as GeoJSON compatible data """ class Meta: app_label = 'geowebapp' model = City geo_field = "location" fields = ('city_id', 'city_name', 'country_id_id')

#geodjango_demo/urls.py from django.contrib import admin from django.urls import path, include urlpatterns = [ path("", include('geowebapp.urls')), path("admin/", admin.site.urls), path("geowebapp/", include('geowebapp.urls')), path("webservice/", include('webservice.urls')), ]

#geowebapp/views.py class GEEView(TemplateView): credentials = ee.ServiceAccountCredentials( '@ee-....iam.gserviceaccount.com', './ee-....json' ) ee.Initialize(credentials) template_name = 'map.html' # Define a method for displaying Earth Engine image tiles on a folium map. def get_context_data(self, **kwargs): #figure = folium.Figure() # create Folium Object m = folium.Map( location=[53.0372, -103.8881], zoom_start=8 ) # add map to figure #m.add_to(figure) # select the Dataset Here's used the MODIS data dataset = (ee.ImageCollection('MODIS/006/MOD13Q1') .filter(ee.Filter.date('2019-07-01', '2019-11-30')) .first()) modisndvi = dataset.select('NDVI') # Styling vis_paramsNDVI = { 'min': 0, 'max': 9000, 'palette': ['FE8374', 'C0E5DE', '3A837C', '034B48', ]} # add the map to the the folium map map_id_dict = ee.Image(modisndvi).getMapId(vis_paramsNDVI) # GEE raster data to TileLayer folium.raster_layers.TileLayer( tiles=map_id_dict['tile_fetcher'].url_format, attr='Google Earth Engine', name='NDVI', overlay=True, control=True ).add_to(m) dataset = (ee.ImageCollection('NRCan/CDEM').first()) #.filter(ee.Filter.date('2016-01-01', '2016-12-31')) # crop = dataset.select('elevation') elevationVis = { 'min': -50.0, 'max': 1500.0, 'palette': ['0905ff', 'ffefc4', 'ffffff'], } map_id_dict = ee.Image(crop).getMapId(elevationVis) # GEE raster data to TileLayer folium.raster_layers.TileLayer( tiles=map_id_dict['tile_fetcher'].url_format, attr='Google Earth Engine', name='Elevation', overlay=True, control=True ).add_to(m) # add Layer control m.add_child(folium.LayerControl()) # figure #figure.render() # return map return {"map": m._repr_html_()}

#geowebapp/urls.py from django.contrib import admin from django.urls import path from .views import MainView, CitiesView, CountriesView, GEEView urlpatterns = [ path("", MainView.as_view(), name="home"), path("cities/", CitiesView.as_view(), name="cities"), path("countries/", CountriesView.as_view(), name="countries"), path("gee/", GEEView.as_view(), name="gee"), ]