Post-Tropical Cyclone Gita & Ala Addressing System
summary
Two linked projects deliver concrete outputs and adoption: post-Gita aerial mapping captures 57.91 km² captured using a DJI Phantom4 Pro and fixed wing flown to produce 2–8 cm ground sample distance orthophotos processed in Pix4D Mapper and Global Mapper, resampled to the ministry’s 2015 20 cm baseline, compressed to ECW, and used to train about 20 staff; the national addressing system generates 831 2×2 km grids subdivided to fixed 2 m points with unique Ala numbers stored in Postgres/PostGIS + REST API and already integrated into the Mala e‑commerce platform.
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