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GIS Layer Management~

The /geo/layer page is where you register and manage external map data sources. Registered layers can be used as base layers or overlays in the design tool and dashboard map widget.

Supported Providers~

Domestic (Korea)~

Provider Type code Features API key required
VWorld gis_vworld Official government map, cadastral, aerial imagery, PNU parcel search Required
Kakao Maps gis_kakao Highest-precision road map in Korea Required
Naver Maps gis_naver Korean map with real-time traffic Required

International General~

Provider Type code Features API key required
OpenStreetMap gis_osm Free open-source map Not required
Google Maps gis_google Satellite/road/hybrid Required
ESRI gis_esri Satellite imagery, topographic, road maps Not required (some layers)
Mapbox gis_mapbox Vector tiles, custom styles Required
MapTiler gis_maptiler_vector Vector tiles, various styles Required
Bing gis_bing Satellite imagery, bird's-eye view Required
Carto gis_carto Clean vector design maps Not required
Stadia Maps gis_stadia High-quality design maps Optional
Thunderforest gis_thunderforest Cycling/hiking/transport specialized Required

Satellite / Aerial~

Provider Type code Features API key required
NASA GIBS gis_nasa_gibs Scientific satellite imagery, WMS Not required
ESA gis_esa European Space Agency satellite Not required

Weather Overlays~

Provider Type code Features API key required
RainViewer gis_rainviewer Real-time and historical rainfall radar Not required
OpenWeather gis_openweather Temperature, precipitation, cloud, wind layers Required
Open-Meteo (built-in proxy) Weather forecast data Not required

Specialized Data~

Provider Type code Features API key required
OpenTopoMap gis_opentopomap Contour and terrain map Not required
ISRIC gis_isric Global soil data (SoilGrids) Not required
GSI gis_gsi Japan Geospatial Information Authority Not required
SGIS gis_sgis Singapore geospatial information Not required

How to Register a Layer~

  1. Navigate to /geo/layer.
  2. Select the desired provider from the Input Type dropdown in the top right.
  3. Click Add.
  4. Click the Settings (gear) icon on the new item.
  5. Enter the required options (API key, layer type, etc.).
  6. Click Save, then click Activate to enable it.

Provider-Specific Settings~

VWorld~

Korea's National Spatial Data Infrastructure platform. You must obtain an API key from the VWorld developer site (https://map.vworld.kr).

Option Description
API Key VWorld API key
Layer Type Base (standard map) / Satellite (aerial) / Hybrid / Gray

VWorld is also used for parcel import. The API key must be registered for address search to work.

Google Maps~

Obtain a Maps JavaScript API key from the Google Cloud Console.

Option Description
API Key Google Maps API key
Map Type roadmap / satellite / hybrid / terrain

Mapbox / MapTiler~

Vector tile providers that integrate natively with MapLibre GL for smooth rendering.

Option Description
API Key / Token Obtain from each service's dashboard
Style Select a style URL or preset

RainViewer~

Free to use with no API key. Supports real-time radar and up to 2 hours of historical data.

The AoT server relays requests via a CORS proxy (/api/geo/proxy/rainviewer/*), so the client does not directly access external services.

ISRIC (SoilGrids)~

Provides global soil data (organic matter, pH, nitrogen content) via WMS. Useful for soil analysis in agricultural smart farm applications.

WMS Layers~

Any server compliant with WMS (Web Map Service) 1.3.0 can be integrated.

Option Description
URL WMS server GetCapabilities URL
Layers Layer names to display (comma-separated)
Format image/png or image/jpeg
CRS Coordinate system (usually EPSG:3857)

The AoT server proxies WMS tile requests (/api/geo/proxy/wms/<unique_id>) to solve CORS issues.

Layer Order and Visibility~

Drag layers in the GridStack layout to reorder them. Order is saved automatically.

Use the eye icon on each layer to temporarily show/hide it. Activate/Deactivate permanently enables or disables a layer.

Layer Preview~

Click the Preview button on a layer item to see a popup preview of how the layer looks on the map.

  • For MapTiler and RainViewer, API key validity is also verified.
  • If no preview appears, check the API key or network connection.