# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
       -2.74         0.02        -9.43  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20150323_102001003C617E00_102001003CB5D300_2m_lsf_v040306//SETSM_s2s041_WV01_20150323_102001003C617E00_102001003CB5D300_2m_lsf_seg1_meta.txt 
       -0.82         2.43         7.83  /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_seg2_meta.txt 
        1.63        -1.77         1.60  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/W3W3_20210213_10400100652A3800_1040010067D43C00_2m_lsf_v040307//SETSM_s2s041_W3W3_20210213_10400100652A3800_1040010067D43C00_2m_lsf_seg2_meta.txt