# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
        2.46        -1.25        -2.71  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20130515_1020010021EB6100_1020010021503A00_2m_lsf_v040306//SETSM_s2s041_WV01_20130515_1020010021EB6100_1020010021503A00_2m_lsf_seg1_meta.txt 
       -2.66         1.20         4.29  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20180802_1020010079118500_10200100770E4B00_2m_lsf_v040309//SETSM_s2s041_WV01_20180802_1020010079118500_10200100770E4B00_2m_lsf_seg1_meta.txt 
       -1.18        -1.44        -2.66  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20180803_102001007A9B8E00_1020010075D21600_2m_lsf_v030403//SETSM_s2s041_WV01_20180803_102001007A9B8E00_1020010075D21600_2m_lsf_seg1_meta.txt 
       -0.69        -4.61         2.02  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20180914_102001007743F400_10200100783A1C00_2m_lsf_v030403//SETSM_s2s041_WV01_20180914_102001007743F400_10200100783A1C00_2m_lsf_seg1_meta.txt 
       -1.45         1.59         0.10  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20190701_102001008A690D00_102001008A3DB900_2m_lsf_v040101//SETSM_s2s041_WV01_20190701_102001008A690D00_102001008A3DB900_2m_lsf_seg1_meta.txt 
        4.08        -0.65        -0.83  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20200706_1020010099E87900_102001009DCEDE00_2m_lsf_v040204//SETSM_s2s041_WV01_20200706_1020010099E87900_102001009DCEDE00_2m_lsf_seg1_meta.txt 
       -2.27         4.83        -0.84  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20200707_10300100A8121900_10300100A8A45700_2m_lsf_v040307//SETSM_s2s041_WV02_20200707_10300100A8121900_10300100A8A45700_2m_lsf_seg1_meta.txt 
        1.72         0.33         0.61  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20200722_1020010099A1E000_102001009ACB3900_2m_lsf_v040300//SETSM_s2s041_WV01_20200722_1020010099A1E000_102001009ACB3900_2m_lsf_seg1_meta.txt