Measuring and creating 3D map of Mong Cai border gate

- Requirements: The area mapped is 5ha. The resolution of the DEM is 0.5m.
- Technology: Using laser binoculars, digital cameras to measure and capture models. Design and build 3D terrain models using SketchUp software. Editing and presenting 3D maps using Skyline's technology (TerraBuilder, TerraExplorer Pro)