Datagov Opendata Platform

Numerical terrain model (DTM) data with a grid spacing of 20 meters on the main island of Taiwan and some outlying islands. Each grid point records the plane coordinates and elevation data of the point. Purpose: To provide three-dimensional coordinates (N, E, H) data of Taiwan's main island and some outlying island areas (each map number is produced in different years) for use in terrain relief display and general analysis.