Data Sources

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• Vector Layer

  Loads GeoJSON, zipped Shapefile, KML/KMZ, GeoParquet and other vector formats as layers.

• Raster Layer

  Adds GeoTIFF/COG rasters via URL or file with per-layer band, ramp and stretch controls.

• Delimited Text

  Imports delimited text from URL or file with configurable delimiter and CRS; without coordinates it is added as a table.

• CAD Layer

  Imports DXF/DWG files with detected layers and typed or preset CRS, loading supported geometries only.

• File Geodatabase

  Reads .gdb folders with detected layers and CRS for direct map use. Desktop application and installed processing service only.

• Geolocated Photos

  Imports geolocated photos with thumbnails; GPS-less photos are rejected or placed manually.

• GPX

  Loads GPX tracks, waypoints, track points, routes and route points from URL or file; at least one type must be selected.

• MBTiles

  Opens .mbtiles files showing tile type/format and, for vector tiles, their source layers. Desktop application only.

• OpenStreetMap PBF

  Imports OpenStreetMap data from .osm.pbf files into editable layers. Disabled while another PBF import is running.

• XYZ

  Adds tiled XYZ imagery such as orthophotos or thematic basemaps by setting a URL template, tile size and short URL.

• WMS

  Overlays WMS imagery by configuring URL, layers, styles, format, size, version and transparency.

• WFS

  Downloads WFS features with geometry and attributes as a queryable vector layer.

• WMTS

  Add WMTS services via GetCapabilities with layer, tile-matrix-set, style and format selection.

• OGC API - Features

  Queries an OGC API - Features collection by bbox and date and adds the results as selectable vector data.

• OGC API - Vector Tiles

  Renders vector tiles from an OGC API - Vector Tiles service for large coverages at scalable detail.

• ArcGIS

  Adds features or vector tiles from an ArcGIS service or portal item; optional token for secured services.

• GeoRSS

  Converts a GeoRSS feed of news, alerts or observations into a feature layer that maps each event's location.

• STAC

  Searches a STAC catalog by spatial and temporal extent and adds the selected asset as a layer for date and area analysis.

• Georeferenced Video

  Projects a video onto terrain using the lon/lat of its four corners to relate it to its location. MP4 must be served over HTTPS.

• Deck.gl visualization layers

  Adds scatter, heat, hexbin, 3D grid, contour, trip, icon and glTF model layers powered by deck.gl.

• GeoParquet

  Reads columnar geometries and attributes from a GeoParquet file and converts them into an efficient vector layer.

• FlatGeobuf

  Loads indexed FlatGeobuf features by URL or file and displays them as a queryable vector layer.

• PMTiles

  Reads a PMTiles archive, detects whether it holds imagery or features, and adds its layers. Local files depend on the environment.

• Zarr

  Visualizes a multidimensional Zarr variable as a raster selectable by dimension, with color bounds, ramp and opacity controls.

• NetCDF/HDF

  Extracts a NetCDF/HDF variable and renders it as a color-mapped raster with dimensional selection.

• LiDAR

  Loads LAS, LAZ or COPC point clouds to examine terrain, vegetation or structures in 3D. The resource must be readable.

• Gaussian Splatting

  Places a Gaussian splatting scene in 3D with position, rotation and scale; requires a compatible splat resource.

• 3D Tiles

  Loads a 3D Tiles dataset of hierarchical buildings, meshes or territorial models; child resources must be accessible.

• glTF Model

  Places a glTF model on the map at a defined location and orientation for advanced visualization. Requires a model URL.

• DuckDB

  Queries tabular or spatial data with SQL and converts the results into a new analysis layer, editable when convertible.

• PostgreSQL/PostGIS

  Connects PostGIS tables as tiles or editable layers and syncs changes back. Desktop only; requires local service and credentials.

• Data Source Browser

  Browse saved services, recent projects, database connections, and pinned file folders in one searchable tree with favorites.

• Saved Services Library

  client-side

  Save configured service forms under named categories and move the whole library between machines as a JSON file.

• Address Geocoding on Import

  service

  Turn an address column into mapped points during CSV import, with explicit consent, capped requests, and a match summary.

• KML Overlays & Super-Overlays

  client-side

  Render KML/KMZ ground overlays aligned on the map, stream region-tiled super-overlays, and animate time-stamped overlay groups.

• KML 3D Models

  client-side

  Place COLLADA models from KMZ archives or URLs on the globe as textured 3D objects, converted automatically to glTF.

• Drag-and-Drop Layer Import

  client-side

  Add vector and raster layers by dropping files straight onto the map, with warnings for very large datasets.

• ArcGIS Hub Search

  service

  Search public ArcGIS Hub open-data catalogs and add supported datasets straight to the map.

• PostGIS Tile Serving

  client-side

  Serve PostGIS tables as read-only vector tiles through a bundled Martin server managed inside the app. Desktop only.

• Native Local File Access

  client-side

  Open large local vectors, shapefiles, and MBTiles through native readers beyond browser memory limits. Desktop only.