# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
        0.58        -2.51        -0.08  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20160217_10300100526BD500_1030010051D3C800_2m_lsf_v040306//SETSM_s2s041_WV02_20160217_10300100526BD500_1030010051D3C800_2m_lsf_seg1_meta.txt 
        1.90        -4.32         2.92  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20180325_102001007194CE00_102001007234CE00_2m_lsf_v030400//SETSM_s2s041_WV01_20180325_102001007194CE00_102001007234CE00_2m_lsf_seg1_meta.txt 
       -2.42        -2.38         3.79  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/W1W2_20190514_1020010083936D00_103001009172E700_2m_lsf_v040310//SETSM_s2s041_W1W2_20190514_1020010083936D00_103001009172E700_2m_lsf_seg1_meta.txt 
       -0.06         9.21        -6.63  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20200610_10300100A94E7300_10300100A9D18600_2m_lsf_v040204//SETSM_s2s041_WV02_20200610_10300100A94E7300_10300100A9D18600_2m_lsf_seg1_meta.txt