# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
        2.54         2.82        -0.34  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20130529_102001002297C600_102001002288B300_2m_lsf_v040306//SETSM_s2s041_WV01_20130529_102001002297C600_102001002288B300_2m_lsf_seg1_meta.txt 
        4.63        -3.29         4.89  /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 
        1.13         0.02        -3.20  /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 
       -2.63        -4.08        -0.41  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20171031_103001007330AD00_1030010072CF7A00_2m_lsf_v040300//SETSM_s2s041_WV02_20171031_103001007330AD00_1030010072CF7A00_2m_lsf_seg5_meta.txt 
       -1.94         0.76         0.28  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV03_20190214_1040010048B60800_1040010049D37E00_2m_lsf_v040002//SETSM_s2s041_WV03_20190214_1040010048B60800_1040010049D37E00_2m_lsf_seg1_meta.txt 
       -1.27        -1.93        -1.55  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV03_20190910_10400100501E1900_10400100501CD800_2m_lsf_v040300//SETSM_s2s041_WV03_20190910_10400100501E1900_10400100501CD800_2m_lsf_seg3_meta.txt 
       -0.44         1.55        -0.18  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV03_20201018_10400100609A0A00_10400100632E2400_2m_lsf_v040305//SETSM_s2s041_WV03_20201018_10400100609A0A00_10400100632E2400_2m_lsf_seg1_meta.txt 
       -2.02         4.16         0.51  /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