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Seaglass Globe map of the Colorado Front Range mid-descent toward Denver, with the map and terrain credits along the bottom
Map: OpenFreeMap © OpenMapTiles (openmaptiles.org; design CC BY 4.0), data © OpenStreetMap contributors, ODbL — openstreetmap.org/copyright. Style: OSM Liberty. Terrain: Mapzen Terrain Tiles via AWS Open Data (registry.opendata.aws/terrain-tiles); sources: terrain data credits

Seaglass Globe™

From orbit to the rooftops on one WGS-84 globe.

Seaglass Globe is written in Rust on wgpu. Positions are kept in double precision, held relative to the camera, so the ground stays steady from orbit down to a single street. Terrain and 3D buildings come from vector tiles, and each measurement names its method beside the result: Karney geodesy on the ellipsoid.

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Spec

What sits under the picture.

Datum
The WGS-84 ellipsoid. Geodetic and Earth-centred coordinates are converted in double precision, with precision held relative to the camera.
Geodesy
Karney geodesics and areas through GeographicLib. Symbol anchors use Vincenty, falling back to Karney for nearly antipodal points.
View
A globe and flat projections, switched while the map is live.
GPU
Rust and wgpu on Vulkan or DirectX 12. It needs a real GPU, which a remote-desktop session usually can’t drive.
Data formats
XYZ, WMS and WMTS tiles; vector tiles (MVT); 3D Tiles and glTF; GeoJSON, KML and shapefiles.
Symbology and scenarios

Military symbology on a timeline.

MIL-STD-2525C unit symbols and tactical graphics are drawn on the map, and a scenario plays, pauses and steps through its events on a timeline docked below it. The demo scenario ships with the suite.

The brigade-advance demo scenario in Seaglass Globe: three unit symbols, two phase lines, an objective box, an axis-of-advance arrow and a range fan on a muted OpenStreetMap base, with the timeline and its event list docked below the map
The demo scenario that ships with the suite: unit symbols, phase lines, an objective, an axis of advance, and a range fan, with the scenario’s timeline and events below. Map © OpenStreetMap contributors. Terrain: Mapzen Terrain Tiles (AWS Open Data); terrain data courtesy of the U.S. Geological Survey.
In the suite

Where the agent shows its answers.

When the Globe is running, the suite’s agent draws its answers on it: contours, elevation profiles and draped rasters appear on the globe instead of only being described. A workflow editor docked under the map runs ForgeGIS™, the suite’s GPU engine, on the data in view.

Seaglass Globe runs on Windows x64 with a real GPU. It is an opt-in component installed by the Seaglass Control Center™, and is not sold separately; see the Forge suite.

Credits

Maps from OpenFreeMap, OpenMapTiles and OpenStreetMap contributors; terrain from Mapzen Terrain Tiles, with terrain data courtesy of the U.S. Geological Survey and others. Type in the application: JetBrains Mono, SIL Open Font License 1.1. Full data and licence credits.

Evaluate

Evaluate the suite.

Release 1.2.7, Windows x64. Evaluations are by request.

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