# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
       -0.02        -0.68        -1.67  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20160304_102001004DA96B00_102001004A4F2C00_2m_lsf_v040306//SETSM_s2s041_WV01_20160304_102001004DA96B00_102001004A4F2C00_2m_lsf_seg1_meta.txt 
       -0.01         0.56         1.78  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20160407_102001004C1ED700_102001004CEBAC00_2m_lsf_v040201//SETSM_s2s041_WV01_20160407_102001004C1ED700_102001004CEBAC00_2m_lsf_seg1_meta.txt 
        0.03         0.13        -0.11  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20180312_1020010072D8C400_102001007213B700_2m_lsf_v030302//SETSM_s2s041_WV01_20180312_1020010072D8C400_102001007213B700_2m_lsf_seg1_meta.txt