Coordinate System
EPSG: 3857
Official name "WGS 84 / Pseudo-Mercator"
Widely used by Web Services such as Google Maps and OpenStreetMap
Tool Box
OneMap leverages on open-source tools in development of maps and in serving of maps to user with our dedicated server.
Performance
Our maps are served at a higher performance by taking advantage of utilities found in SQLite for solving duplicate imageries.