🌊 HiddenSand
MapLibre GL JS + Martin Vector Tiles
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⚙️ Controls
Time Range
Start: –
End: –
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▶ Play
Day
Week
Month
1×
2×
5×
10×
Layers
Mekong Vessel Zones
Sentinel-1 Points
Heatmap (full range)
Heatmap (single month)
Hex density (time-aware)
Hex density opacity
Heatmap intensity
Tile Server
Local (via /v1 proxy)
Disabled (sample data)
Legend
Mekong Zones
Sentinel-1 Detections
low
detections / window
high
Hex density (time-aware)