Construction3D
Accra compare
Tobago PoC
Validation
Footprint vs tobago.gdb
ours (orange fill) vs gdb (blue outline)
Footprints on Maxar 0.3 m ortho
OB footprints (orange) on the sub-metre image
Step3 — Maxar height cross-check (no LIDAR)
shadow-length height vs OB-2.5D · consistency check
