# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
       -5.54        -0.10         0.27  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20130529_10200100237C3E00_1020010021BF8B00_2m_lsf_v040306//SETSM_s2s041_WV01_20130529_10200100237C3E00_1020010021BF8B00_2m_lsf_seg1_meta.txt 
        4.34        -2.49         4.12  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20140212_102001002AC0C800_102001002B26B100_2m_lsf_v040306//SETSM_s2s041_WV01_20140212_102001002AC0C800_102001002B26B100_2m_lsf_seg1_meta.txt 
       -1.02         1.47        -1.73  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20160428_102001004EE67400_102001004F1E5800_2m_lsf_v040201//SETSM_s2s041_WV01_20160428_102001004EE67400_102001004F1E5800_2m_lsf_seg1_meta.txt 
       -1.43        -2.22        -0.29  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20170217_1030010064B4CE00_10300100666EDC00_2m_lsf_v040306//SETSM_s2s041_WV02_20170217_1030010064B4CE00_10300100666EDC00_2m_lsf_seg1_meta.txt 
        2.08        -0.78         0.86  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20190225_1020010081476600_1020010081551D00_2m_lsf_v030403//SETSM_s2s041_WV01_20190225_1020010081476600_1020010081551D00_2m_lsf_seg1_meta.txt 
        4.36        -1.64        -4.13  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20201018_102001009D4DA500_10200100A053E900_2m_lsf_v040307//SETSM_s2s041_WV01_20201018_102001009D4DA500_10200100A053E900_2m_lsf_seg1_meta.txt 
       -2.79         5.77         0.91  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20201024_10300100AD0C9D00_10300100B040EF00_2m_lsf_v040306//SETSM_s2s041_WV02_20201024_10300100AD0C9D00_10300100B040EF00_2m_lsf_seg1_meta.txt