# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
        3.31         0.00        -3.16  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20120803_102001001CA1F500_102001001CBC2F00_2m_lsf_v040306//SETSM_s2s041_WV01_20120803_102001001CA1F500_102001001CBC2F00_2m_lsf_seg1_meta.txt 
       -3.31         0.00         3.16  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20190826_1030010095AFFF00_103001009687EA00_2m_lsf_v040101//SETSM_s2s041_WV02_20190826_1030010095AFFF00_103001009687EA00_2m_lsf_seg1_meta.txt