# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
        0.00         0.15        -2.12  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20170224_102001005B6D3900_1020010060E90000_2m_lsf_v040306//SETSM_s2s041_WV01_20170224_102001005B6D3900_1020010060E90000_2m_lsf_seg1_meta.txt 
        0.00        -0.15         2.12  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20210224_10200100A1E4CD00_10200100A4B7B400_2m_lsf_v040307//SETSM_s2s041_WV01_20210224_10200100A1E4CD00_10200100A4B7B400_2m_lsf_seg1_meta.txt