# Warehouse contains Zones az dt twin relationship create --adt-name adt-warehouse-<unique> \ --twin-id "WarehouseMain" \ --relationship-id "rel-wh-to-rcv" \ --relationship "contains" \ --target "ZoneReceiving" az dt twin relationship create --adt-name adt-warehouse-<unique> --twin-id "ZoneReceiving" --relationship-id "rel-zone-to-shelf" --relationship "contains" --target "ShelfA" Zone has Sensor az dt twin relationship create --adt-name adt-warehouse-<unique> --twin-id "ZoneReceiving" --relationship-id "rel-zone-to-temp" --relationship "hasSensor" --target "TempSensor-Rcv"
Azure Digital Twins (ADT) gives that data context . It knows that Sensor 47 belongs to Room 312 , which is on the North Wing of Floor 3 , and that room contains a Server Rack . If the temperature rises, ADT understands the impact . hands-on azure digital twins read online
Azure Digital Twins isn't just a database—it's the of your physical world. Go build something intelligent. # Warehouse contains Zones az dt twin relationship
# Connect to ADT credential = DefaultAzureCredential() service_client = DigitalTwinsClient(credential, "https://adt-warehouse-<unique>.api.eus.digitaltwins.azure.net") Azure Digital Twins isn't just a database—it's the
# --- Compute Logic --- # If temp > 30C, find the parent Zone and mark it as "overheated" if new_temp > 30.0: # Query to find parent Zone query = f"SELECT zone FROM digitaltwins zone JOIN sensor RELATED zone.hasSensor WHERE sensor.$dtId = 'sensor_id'" zones = service_client.query_twins(query) for zone in zones: # Add a computed property zone_patch = ["op": "add", "path": "/alert", "value": "Overheating"] service_client.update_digital_twin(zone['$dtId'], zone_patch) logging.info(f"Alert set on zone zone['$dtId']")