# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
       -0.34         0.00         1.30  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_04_greenland_central/strips_v4/2m/WV01_20150605_102001003E930C00_102001003F550300_2m_lsf_v030001//WV01_20150605_102001003E930C00_102001003F550300_2m_lsf_seg1_meta.txt 
        0.34         0.00        -1.30  /home/chunlidai/blue/data/ArcticDEMdata/arcticdem_04_greenland_central/strips_v4/2m/WV01_20180805_1020010077575C00_102001007B004C00_2m_lsf_v040101//WV01_20180805_1020010077575C00_102001007B004C00_2m_lsf_seg1_meta.txt