Architecture Geospatial

Geospatial Vector Map Explorer

How to render interactive MapLibre GL vector maps adhering to the open Mapbox Vector Tile (MVT) standard with GeoJSON overlays and theme styling.

Published: Aug 24, 2026
Read Time: 2 min

The Hugo-Carbon Modular Engine includes a client-side geospatial mapping system powered by GPU-accelerated MapLibre GL JS v4. It renders vector tiles, IBM Carbon theme palettes, 3D spherical globe projections, and GeoJSON overlays with zero external CDN dependencies.

1. 2D Flat & 3D Globe Vector Projections

The {{< geojson-map >}} shortcode embeds an interactive GPU-accelerated vector map with dynamic 2D Flat (Mercator) and 3D Spherical Globe projection switching:

VECTOR TILES IBM Carbon Style

Global Infrastructure & Sensor Nodes

GeoJSON

2. Key Architecture Features

  • 3D Globe & 2D Flat Mercator: Instant client-side projection switching powered by MapLibre GL v4 with WebGL acceleration.
  • IBM Plex Sans Typography: All cartographic labels (countries, continents, capitals, cities, towns, waterways, and road names) render using self-hosted IBM Plex Sans PBF glyphs.
  • IBM Carbon × Sage Color Palette: Custom dark (carbon-vector-dark.json) and light (carbon-vector-light.json) vector styling derived from IBM Carbon tokens and Sage Green (#69a280).
  • User-Configurable Layer Toggles: Dynamic toggling of Roads, Buildings, Labels, and Administrative Boundaries directly from the toolbar or modal.
  • Full Interactive Modal: Expand any map into an immersive modal explorer with real-time coordinate tracking and GeoJSON data export.
  • Open Mapbox Vector Tile (MVT) Standard: 100% offline-compatible vector tile rendering adhering to the open MVT specification (Carto/OSM basemaps) with zero API keys or external telemetry.
  • Zero External CDNs: 100% self-hosted scripts, styles, vector tiles, and 1,028 font PBF ranges in static/lib/maplibre/.