GIS & Map System Overview~

The AoT GIS system is an integrated geospatial platform built on the MapLibre GL vector map engine, combining device monitoring, facility design, and external GIS layer integration in one place.

System Architecture~

GIS & Map System
├── Map Engine
│   ├── MapLibre GL (primary — vector/3D)
│   └── Leaflet compatibility shim (legacy support)
│
├── Management Pages
│   ├── /geo/design   — Map design tool
│   ├── /geo/facility — Facility management
│   └── /geo/layer    — GIS layer management
│
├── Dashboard Widgets
│   ├── AoT_map      — Real-time device monitoring map
│   └── AoT_facility — 3D facility environment monitor
│
└── API
    └── /api/geo/*   — 30+ REST endpoints

Core Features~

Map Design Tool~

7 editing modes: Site → Zone → Facility → Equipment → Device → Connection → Infrastructure
Vector drawing: Create and edit polygons, polylines, circles, and markers
Parcel import: Instantly generate site boundaries via VWorld address search or CSV batch import
Delta save: Only changed features are transmitted, enabling fast saves on large maps

Facility Management~

3D parametric rendering: Automatically generated from building structure parameters using Three.js
Building envelope configuration: Materials (vinyl/glass/PC), insulation, and openings (windows/doors/vents)
Engineering calculations: Heating/cooling load, ventilation capacity, natural ventilation wind pressure simulation (±5–10% reference values)
Sensor & actuator binding: Link AoT devices by role (temperature/humidity/CO₂, etc.)
Commissioning: Device communication check and diagnostic workflow
AI advice: Automation recommendations based on facility learning

GIS Layers~

Integrates with 23 external GIS providers.

Category	Providers
Domestic (Korea)	VWorld, Kakao Maps, Naver Maps
International	OpenStreetMap, Google Maps, ESRI, Bing, Mapbox, MapTiler, Carto, Stadia
Satellite	NASA GIBS, ESA
Weather	RainViewer (radar), OpenWeather, Open-Meteo
Terrain	OpenTopoMap, Thunderforest
Specialized	ISRIC (soil), GSI (Japan), SGIS (Singapore)

Technology Stack~

Layer	Technology
Map rendering	MapLibre GL JS
3D visualization	Three.js + GLTF
Drawing tools	terra-draw (Geoman API compatible)
Spatial operations	Turf.js
Marker clustering	Leaflet.MarkerCluster
WMS support	MapLibre + CORS proxy
Backend	Python/Flask, SQLAlchemy
Database	SQLite (config), InfluxDB (time-series)

Data Model~

Table	Role
`geo_map`	Saved map views (center, zoom, provider, style)
`geo_setting`	Global GIS configuration (singleton)
`geo_shape`	GeoJSON overlay features (site/zone/facility/device)
`geo_layer`	External GIS layer source registry
`geo_facility`	Facility building specs (envelope, sensors, actuators, bays)
`geo_model_asset`	3D asset library (primitives/GLTF)

Feature Hierarchy~

Site          ← Top-level boundary (polygon)
  └── Zone    ← Growing blocks / sections
        └── Facility   ← Building unit
              └── Equipment / Device