The georeferencing was selected orthorectification approach (Grodecki and Dial, 2003) The rational polynomial
coefficients (RPC) were build from physical sensor and exterior orientation (McGlone, 2004) and Digital Terrain
Model obtained from Department of Land Development, Thailand. The projection selected Universal Transverse
Mercator, World Geodetic System 1984 and Zone 48N datum (UTM WGS1984, 48N).