# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
       -2.89         0.00         0.87  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20180128_1030010077BE9900_1030010079CABC00_2m_lsf_v030302//SETSM_s2s041_WV02_20180128_1030010077BE9900_1030010079CABC00_2m_lsf_seg1_meta.txt 
        1.14        -0.30         0.00  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20180327_103001007BBF8D00_103001007A38DE00_2m_lsf_v030400//SETSM_s2s041_WV02_20180327_103001007BBF8D00_103001007A38DE00_2m_lsf_seg1_meta.txt 
        1.75         0.30        -0.87  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20200303_1020010092751500_102001009316A300_2m_lsf_v040201//SETSM_s2s041_WV01_20200303_1020010092751500_102001009316A300_2m_lsf_seg1_meta.txt