# px     py   pz   DEMFileName 
# Strip DEM - [px py pz] =Coordinates aligned with the reference DEM (reference in bundle adjustment). 
        2.49        -7.12        -0.87  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20130305_1020010021798A00_1020010020CDB700_2m_lsf_v040306//SETSM_s2s041_WV01_20130305_1020010021798A00_1020010020CDB700_2m_lsf_seg1_meta.txt 
       -1.04         3.79        -2.15  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20130715_1030010025A43C00_10300100256C1300_2m_lsf_v040306//SETSM_s2s041_WV02_20130715_1030010025A43C00_10300100256C1300_2m_lsf_seg1_meta.txt 
        1.94        -3.93         0.47  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20131119_102001002707F200_1020010027ACD100_2m_lsf_v040306//SETSM_s2s041_WV01_20131119_102001002707F200_1020010027ACD100_2m_lsf_seg1_meta.txt 
       -4.54         1.64         0.85  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20150925_103001004A524A00_1030010049468B00_2m_lsf_v040306//SETSM_s2s041_WV02_20150925_103001004A524A00_1030010049468B00_2m_lsf_seg2_meta.txt 
       -1.64         5.60        -1.64  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20161023_103001005F789500_103001005EC39000_2m_lsf_v040306//SETSM_s2s041_WV02_20161023_103001005F789500_103001005EC39000_2m_lsf_seg1_meta.txt 
       -2.33         6.24        -2.86  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV03_20161024_1040010023093300_1040010024077300_2m_lsf_v040306//SETSM_s2s041_WV03_20161024_1040010023093300_1040010024077300_2m_lsf_seg1_meta.txt 
        0.49        -3.29         0.17  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20170914_102001006703BA00_1020010067449A00_2m_lsf_v040306//SETSM_s2s041_WV01_20170914_102001006703BA00_1020010067449A00_2m_lsf_seg2_meta.txt 
       -0.77        -1.09         0.68  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV03_20180307_10400100388F6E00_104001003A70B200_2m_lsf_v040300//SETSM_s2s041_WV03_20180307_10400100388F6E00_104001003A70B200_2m_lsf_seg2_meta.txt 
        4.45        -3.55         0.76  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20180309_102001006F2DAB00_1020010070CCF900_2m_lsf_v030403//SETSM_s2s041_WV01_20180309_102001006F2DAB00_1020010070CCF900_2m_lsf_seg1_meta.txt 
        0.00         0.00         0.44  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20190318_1020010086CB9100_1020010081E86F00_2m_lsf_v030403//SETSM_s2s041_WV01_20190318_1020010086CB9100_1020010081E86F00_2m_lsf_seg1_meta.txt 
        0.55         1.50        -0.75  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20190728_102001008821C300_1020010088242000_2m_lsf_v040101//SETSM_s2s041_WV01_20190728_102001008821C300_1020010088242000_2m_lsf_seg1_meta.txt 
        1.93        -6.01        -0.57  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20200331_1020010097BED000_1020010094B13300_2m_lsf_v040201//SETSM_s2s041_WV01_20200331_1020010097BED000_1020010094B13300_2m_lsf_seg1_meta.txt 
       -3.54         4.93         7.09  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20200404_10300100A32EAB00_10300100A54D0E00_2m_lsf_v040203//SETSM_s2s041_WV02_20200404_10300100A32EAB00_10300100A54D0E00_2m_lsf_seg1_meta.txt 
       -3.31         2.22        -1.05  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV03_20210610_1040010068CDDA00_1040010069B7EE00_2m_lsf_v040307//SETSM_s2s041_WV03_20210610_1040010068CDDA00_1040010069B7EE00_2m_lsf_seg1_meta.txt 
        5.38        -0.10         2.53  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV02_20210709_10300100C1350300_10300100C2624600_2m_lsf_v040309//SETSM_s2s041_WV02_20210709_10300100C1350300_10300100C2624600_2m_lsf_seg1_meta.txt 
       -0.06        -0.83        -3.09  /home/chunli/chunliproject/ArcticDEMdata/arcticdem_10_canada_north_mainland/strips_v4.1/2m/WV01_20210804_10200100B4E80800_10200100B55CB000_2m_lsf_v040309//SETSM_s2s041_WV01_20210804_10200100B4E80800_10200100B55CB000_2m_lsf_seg1_meta.txt