Table 1. High-precision 3D spatial information for topographic image construction.

Item	Aerial photograph	DEM	Land cover map	3D model
Image
Resolution	0.25 cm	5 m	1:5,000	N/A
Format	geotiff	geotiff	shp	fbx
Coordinate system	utm-k	utm-k	Korea2000/central belt2010	Korea2000/central belt2010